Resubmissions
31/03/2025, 00:22
250331-apdw1ssjs8 1028/03/2025, 22:52
250328-2tfd7avl15 1025/03/2025, 14:57
250325-sb3mbsxxht 10Analysis
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max time kernel
542s -
max time network
560s -
platform
windows10-ltsc_2021_x64 -
resource
win10ltsc2021-20250314-en -
resource tags
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submitted
31/03/2025, 00:22
General
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Target
RansomwareSamples/REvil_07_04_2021_121KB.exe
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Size
120KB
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MD5
726d948d365cb9db1dfd84a30203a642
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SHA1
78ed4bcf9c0aca8d14b25da2e679a91c48dd6797
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SHA256
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
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SHA512
bd17f2b265c30f0d9ddc60e01026f21ad6b6355f68b762b14b3e8882a90de0a20970f77105a2515a7cb4a0d1429f3a70cdf40d4247384592d36da6f2907a690a
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SSDEEP
1536:bjxXC9jVwbhEW8z3w1R+KjJLRiOQJo0SoLCdpuOk2ICS4Ang6lUkdq0tK3CmZ6+n:mmV1wKdLoLC/OemUkdq4WCmA0qG9
Malware Config
Extracted
C:\Program Files (x86)\8a7j3g-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/5E0BDE83580821D4
http://decoder.re/5E0BDE83580821D4
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Sodinokibi family
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Drops file in Program Files directory 23 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\REvil_07_04_2021_121KB.exe"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\REvil_07_04_2021_121KB.exe"1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD54fd40cebc7cc7de48d89809fcc722162
SHA1d41c19b3eb67dd3091891ca7a963bd898c6b920d
SHA256bc4d9492840a12163c0f628bf6919794fb6d0048f8859a07784ab97a84708492
SHA512d6284caaa1b410def400257cdd880f569363d1b16d6d2d94a1de18d93d76b7d8cdf5666a270fdcf45a2d49679d0edb20fbda45e3699a793fabdc1d091051e570