Analysis
-
max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 07:02
Static task
static1
Behavioral task
behavioral1
Sample
BF.vbs
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
BF.vbs
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
teased/beguiler.vbs
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
teased/beguiler.vbs
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
teased/brainwaves.ps1
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
teased/brainwaves.ps1
Resource
win10v2004-20221111-en
General
-
Target
teased/beguiler.vbs
-
Size
180B
-
MD5
fcf6c65b599aaad756e0c32e688ec9db
-
SHA1
28e5e0be32ec5d837dcbbf8bbe5be9a44e14750b
-
SHA256
dc9c38ba168c5fd0c78917e9cd8f1ddf7119c59a80ef5e097705091a157a3cb0
-
SHA512
e25f419e1b489e7f23259395ed39bca2b964ef5a963efdaa102415928f7e5370823a128c5510f5417617c50b200f2588257716d45a8c742e3cca364daa44e37b
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WScript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation WScript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3596 powershell.exe 3596 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3596 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WScript.exedescription pid process target process PID 4808 wrote to memory of 3596 4808 WScript.exe powershell.exe PID 4808 wrote to memory of 3596 4808 WScript.exe powershell.exe PID 4808 wrote to memory of 3596 4808 WScript.exe powershell.exe
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\teased\beguiler.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass teased\\brainwaves.ps12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/3596-132-0x0000000000000000-mapping.dmp
-
memory/3596-133-0x0000000005120000-0x0000000005156000-memory.dmpFilesize
216KB
-
memory/3596-134-0x0000000005840000-0x0000000005E68000-memory.dmpFilesize
6.2MB
-
memory/3596-135-0x00000000055C0000-0x00000000055E2000-memory.dmpFilesize
136KB
-
memory/3596-136-0x0000000005760000-0x00000000057C6000-memory.dmpFilesize
408KB
-
memory/3596-137-0x0000000005E70000-0x0000000005ED6000-memory.dmpFilesize
408KB
-
memory/3596-138-0x00000000066B0000-0x00000000066CE000-memory.dmpFilesize
120KB