
| Names | STASHLOG | |
| Category | Malware | |
| Type | Loader | |
| Description | (Cybereason) STASHLOG (shiver.exe / forsrv.exe) is a 32 bit executable that is being used to prepare the victim machine for further compromise, and to “stash” a malicious, encrypted payload to a CLFS log file. This payload will be decrypted at each phase to deliver the next phase in the infection. | |
| Information | <https://www.cybereason.com/blog/operation-cuckoobees-a-winnti-malware-arsenal-deep-dive> <https://www.mandiant.com/resources/unknown-actor-using-clfs-log-files-for-stealth> | |
| Malpedia | <https://malpedia.caad.fkie.fraunhofer.de/details/win.stashlog> | |
Last change to this tool card: 27 December 2022
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| Changed | Name | Country | Observed | ||
APT groups | |||||
| APT 41 | 2012-Jul 2025 | ![]() | |||
1 group listed (1 APT, 0 other, 0 unknown)
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