Analysis
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max time kernel
139s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
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submitted
14/03/2025, 08:29
General
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Target
2025-03-14_b66ef055f69d2d1a1d8a6f7128cc34a4_revil.exe
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Size
92KB
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MD5
b66ef055f69d2d1a1d8a6f7128cc34a4
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SHA1
b0bdbebb93abe1c437d9b8f243368ca0de74603a
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SHA256
c7d0fa4e911df7241f9385a109ad4814d10fb640bb8151e7d1abeec1065bcacd
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SHA512
c052dd76b90cad8b5d40409d00ef41d3e75439edab7e6cb79d60ec98bd17af172e4e56fa031bf1cd5256d7baa0f6ea13648044da641df90e992f36432fe0d64a
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SSDEEP
1536:Y73nkB0DyMgQSm9NwcKzwpR+7JICS4ABwZ/gsZujGC:c/hKzstg5gs2
Malware Config
Extracted
C:\Program Files (x86)\g3676-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/25A19BB6D3A8825B
Signatures
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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 40 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 6 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\2025-03-14_b66ef055f69d2d1a1d8a6f7128cc34a4_revil.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-14_b66ef055f69d2d1a1d8a6f7128cc34a4_revil.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
6KB
MD5d4fdf921d67a890e96b94779110b8be1
SHA1cf2cd034348b597ac634c3070568107137dca5fa
SHA25623369a1852cff9d7cf1cefa13384c4f6a989bc2d0f6a90b419afb3863492f94d
SHA51224cdc45878cce998088d74a110823be62751f6e7b3831567e0cfd8c4b30b629d78f6bb7edb85ec3794500bdf37bc107099365e8c95c49b81369592d2f636ef61