Analysis
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max time kernel
91s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05-02-2023 16:04
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20221111-en
General
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Target
tmp.exe
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Size
3.0MB
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MD5
cdb75538c7adc7829a93cdf9a27c1fd7
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SHA1
2e5ff4e8f2b4b087ccc7f4cb2ad59d4c3617a0c9
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SHA256
dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20
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SHA512
f6eab79f9ba0111608ddc3b81b57224e5ccc86f2a4b3f14a11ef627a2d44f6539c061d5bcad7a68f7df0c05bbcb14d0285bfa508085233075452a3a75d1671d4
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SSDEEP
98304:k5Sh7zrcGtirr9gIKvvwPDxISVNImdJ3R9/4:WAXrjtirrGIyYTD3R9A
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:
tmp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation tmp.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 3 IoCs
Processes:
powershell.exetmp.exepid process 1732 powershell.exe 1732 powershell.exe 1620 tmp.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
tmp.exepowershell.exedescription pid process Token: SeDebugPrivilege 1620 tmp.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 1620 tmp.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
tmp.exedescription pid process target process PID 1620 wrote to memory of 1732 1620 tmp.exe powershell.exe PID 1620 wrote to memory of 1732 1620 tmp.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANgA1AA==2⤵
- 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/1620-132-0x000001670E850000-0x000001670EB56000-memory.dmpFilesize
3.0MB
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memory/1620-133-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB
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memory/1620-134-0x0000016710840000-0x0000016710862000-memory.dmpFilesize
136KB
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memory/1620-137-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB
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memory/1620-140-0x000001672A690000-0x000001672A72B000-memory.dmpFilesize
620KB
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memory/1620-141-0x0000016729BAA000-0x0000016729BAF000-memory.dmpFilesize
20KB
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memory/1620-142-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB
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memory/1620-143-0x0000016729BAA000-0x0000016729BAF000-memory.dmpFilesize
20KB
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memory/1732-135-0x0000000000000000-mapping.dmp
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memory/1732-136-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB
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memory/1732-138-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB
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memory/1732-139-0x00007FFBADDB0000-0x00007FFBAE871000-memory.dmpFilesize
10.8MB