Analysis
-
max time kernel
122s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
-
submitted
14/03/2025, 08:29
General
-
Target
2025-03-14_b66ef055f69d2d1a1d8a6f7128cc34a4_revil.exe
-
Size
92KB
-
MD5
b66ef055f69d2d1a1d8a6f7128cc34a4
-
SHA1
b0bdbebb93abe1c437d9b8f243368ca0de74603a
-
SHA256
c7d0fa4e911df7241f9385a109ad4814d10fb640bb8151e7d1abeec1065bcacd
-
SHA512
c052dd76b90cad8b5d40409d00ef41d3e75439edab7e6cb79d60ec98bd17af172e4e56fa031bf1cd5256d7baa0f6ea13648044da641df90e992f36432fe0d64a
-
SSDEEP
1536:Y73nkB0DyMgQSm9NwcKzwpR+7JICS4ABwZ/gsZujGC:c/hKzstg5gs2
Malware Config
Extracted
C:\Users\78i5hyf-readme.txt
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/6168F3EEF9704B5F
Signatures
-
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
-
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
-
Drops file in Program Files directory 37 IoCs
-
Browser Information Discovery 1 TTPs
Enumerate browser information.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
-
Suspicious behavior: EnumeratesProcesses 3 IoCs
-
Suspicious use of AdjustPrivilegeToken 14 IoCs
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
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
-
Filesize
6KB
MD5e4e65a6856ebb556c5395a7bb957222e
SHA1f7bf56c2207b10047b3aff260544a5b6bdaf0fd6
SHA256e677782fa0791905370b0e68db12b4b7aa2102f065f94e27462ce5a28c0628d7
SHA51239bfd3495696e8afa66783f7939740435be487c7da19ea584bea46af392346b16b5015f00143c7018ef1b24366943e2c7bf322f1b879325676377e9292e8db41