Analysis
-
max time kernel
110s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
14/11/2024, 19:59
General
-
Target
yasser.exe
-
Size
114KB
-
MD5
5bf506720c41a2b752daa11398c6dc6b
-
SHA1
8c37bdd4eda3b71ea2ee17556763ab90c7067dba
-
SHA256
3d18fbbcd58e4f162059ff00d08510fcb43d90cf676ad8ecc929d5c36395f19f
-
SHA512
a6ca960e64547ef9f88a8479ce2663b1d2402864d077b68c3992bd00f7c447da0bf93bc474bf2c2bc9161d3ce34df01b16b4cfbc6f880d4f1b603a49f9c0428c
-
SSDEEP
3072:3gZApdYrD28fbJB2yLtyTIbjjxK3QdjrxivW+DXnH4vymb81w:3/pe1J0IbXtrxivW+D34vu
Malware Config
Signatures
-
VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
-
Vanillarat family
-
Vanilla Rat payload 2 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\yasser.exe"C:\Users\Admin\AppData\Local\Temp\yasser.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\yasser.exe"C:\Users\Admin\AppData\Roaming\yasser.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
114KB
MD55bf506720c41a2b752daa11398c6dc6b
SHA18c37bdd4eda3b71ea2ee17556763ab90c7067dba
SHA2563d18fbbcd58e4f162059ff00d08510fcb43d90cf676ad8ecc929d5c36395f19f
SHA512a6ca960e64547ef9f88a8479ce2663b1d2402864d077b68c3992bd00f7c447da0bf93bc474bf2c2bc9161d3ce34df01b16b4cfbc6f880d4f1b603a49f9c0428c
-
Filesize
4KB
-
Filesize
136KB
-
Filesize
5.6MB
-
Filesize
584KB
-
Filesize
7.7MB
-
Filesize
40KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB