Analysis
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max time kernel
9s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 17:32
Static task
static1
Behavioral task
behavioral1
Sample
BF.vbs
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
BF.vbs
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
teased/brisk.vbs
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
teased/brisk.vbs
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
teased/streetcar.ps1
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
teased/streetcar.ps1
Resource
win10v2004-20221111-en
General
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Target
teased/brisk.vbs
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Size
179B
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MD5
d8ab48bc5170122c8acb023c638a66c8
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SHA1
2a30177c521710a139b57216415cecb85efb2e58
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SHA256
d2f7c74338d0e10042aeeec59f209762bbd131cbdb284ff731d0384de2a1ac7c
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SHA512
ef9ce632e556acbcf56617ec623df80a2276a679fd8a7cbb294eb3eae93524772dcdfe4ca0860a9c7d62b41e45353454e2e95ddd0c3c92bbe54ba1d7e966122c
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1076 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1076 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WScript.exedescription pid process target process PID 908 wrote to memory of 1076 908 WScript.exe powershell.exe PID 908 wrote to memory of 1076 908 WScript.exe powershell.exe PID 908 wrote to memory of 1076 908 WScript.exe powershell.exe PID 908 wrote to memory of 1076 908 WScript.exe powershell.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\teased\brisk.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass teased\\streetcar.ps12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076
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