Analysis
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max time kernel
41s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
-
SHA1
4784a7c288fbffaea4e5c10cfc2da208578977a2
-
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 632 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 632 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
wscript.exedescription pid process target process PID 1980 wrote to memory of 632 1980 wscript.exe powershell.exe PID 1980 wrote to memory of 632 1980 wscript.exe powershell.exe PID 1980 wrote to memory of 632 1980 wscript.exe powershell.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\peseta\flours.js1⤵
- 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/632-55-0x0000000000000000-mapping.dmp
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memory/632-57-0x000007FEF4310000-0x000007FEF4D33000-memory.dmpFilesize
10.1MB
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memory/632-58-0x000007FEF37B0000-0x000007FEF430D000-memory.dmpFilesize
11.4MB
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memory/632-59-0x00000000027C4000-0x00000000027C7000-memory.dmpFilesize
12KB
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memory/632-60-0x000000001B780000-0x000000001BA7F000-memory.dmpFilesize
3.0MB
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memory/632-62-0x00000000027CB000-0x00000000027EA000-memory.dmpFilesize
124KB
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memory/632-61-0x00000000027C4000-0x00000000027C7000-memory.dmpFilesize
12KB
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memory/1980-54-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmpFilesize
8KB