Analysis
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max time kernel
188s -
max time network
190s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 13:53
Static task
static1
Behavioral task
behavioral1
Sample
AS.js
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
AS.js
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
peseta/flours.js
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
peseta/flours.js
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
peseta/gratiae.ps1
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
peseta/gratiae.ps1
Resource
win10v2004-20220901-en
General
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Target
peseta/flours.js
-
Size
9KB
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MD5
b6377f4364852191e440269dc0225850
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SHA1
4784a7c288fbffaea4e5c10cfc2da208578977a2
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SHA256
d0f396309db14bbe988e8ae6ba6dfb4451fc9db830484dcb7dec830b74d8467a
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SHA512
302ab00ac77e86b3448bcf7affeb5e127e606d977556af0da17d211b816bc00b2d54643ceacf219f2c4be6532781e1d64db31d4a307ae822f9b70dc1617da7db
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SSDEEP
192:CSLj5Uravgx685UIhpHKbP2KTMhS0OGYm9lWVjAvNzAWM5Evk7MgG+r5A0:N5Kk785UIhp/KTMhSeYmn2jiu5EjP+rV
Malware Config
Signatures
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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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1296 powershell.exe 1296 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1296 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 392 wrote to memory of 1296 392 wscript.exe powershell.exe PID 392 wrote to memory of 1296 392 wscript.exe powershell.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\peseta\flours.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass peseta\gratiae.ps12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1296-132-0x0000000000000000-mapping.dmp
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memory/1296-133-0x000001F549FC0000-0x000001F549FE2000-memory.dmpFilesize
136KB
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memory/1296-134-0x00007FF817550000-0x00007FF818011000-memory.dmpFilesize
10.8MB
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memory/1296-135-0x00007FF817550000-0x00007FF818011000-memory.dmpFilesize
10.8MB