Analysis
- max time kernel
90s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
15/02/2023, 04:35
General
- Target d967adbdef503c4d815442dfdcd4faa5.exe
- Size 784KB
- Sample230215-e7nw6aab53
- SHA256 e084bbd5502e2fe6fd3ac6ad41fc88f2d09ffc89d24e8d34107c83db76d0ff98
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fVYTTjjllR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fVYTTjjllR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D93.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"C:\Users\Admin\AppData\Local\Temp\d967adbdef503c4d815442dfdcd4faa5.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp4D93.tmp
memory/1680-149-0x0000000001500000-0x000000000184A000-memory.dmp
memory/1680-144-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1680-148-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1680-161-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4072-136-0x0000000005730000-0x00000000057CC000-memory.dmp
memory/4072-132-0x00000000009F0000-0x0000000000ABA000-memory.dmp
memory/4072-135-0x0000000005460000-0x000000000546A000-memory.dmp
memory/4072-134-0x00000000054B0000-0x0000000005542000-memory.dmp
memory/4072-133-0x0000000005A60000-0x0000000006004000-memory.dmp
memory/4128-146-0x00000000051F0000-0x0000000005256000-memory.dmp
memory/4128-154-0x0000000007960000-0x0000000007FDA000-memory.dmp
memory/4128-147-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/4128-142-0x0000000005300000-0x0000000005928000-memory.dmp
memory/4128-139-0x0000000000F50000-0x0000000000F86000-memory.dmp
memory/4128-150-0x0000000006010000-0x000000000602E000-memory.dmp
memory/4128-151-0x00000000065E0000-0x0000000006612000-memory.dmp
memory/4128-152-0x0000000071590000-0x00000000715DC000-memory.dmp
memory/4128-153-0x00000000065A0000-0x00000000065BE000-memory.dmp
memory/4128-145-0x0000000005050000-0x0000000005072000-memory.dmp
memory/4128-155-0x0000000007310000-0x000000000732A000-memory.dmp
memory/4128-156-0x0000000007380000-0x000000000738A000-memory.dmp
memory/4128-157-0x0000000007590000-0x0000000007626000-memory.dmp
memory/4128-158-0x0000000007540000-0x000000000754E000-memory.dmp
memory/4128-159-0x0000000007650000-0x000000000766A000-memory.dmp
memory/4128-160-0x0000000007630000-0x0000000007638000-memory.dmp