Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
22/11/2022, 04:33
General
- Target SecuriteInfo.com.Downloader.MSIL.gen.rexp.15382.17197.exe
- Size 15KB
- Sample221122-e6jaaadf4y
- SHA256 5fa79245acfe001f7b4269dadbe7b8ca5c4e3dbe5445b56c3f53c29c28bcb06b
Malware Config
Extracted
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formbook
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4.1
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fs44
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whneat.com
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jljcw.net
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pocodelivery.com
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outofplacezine.com
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yavuzcansigorta.com
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xinhewood-cn.com
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cartogogh.com
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5avis.com
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joyceyong.art
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digitalsurf.community
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blackcreekbarns.com
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magazinedistribuidor.com
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sportsgross.com
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drevom.online
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mayibeofservice.com
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gareloi-digit.com
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permitha.net
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renaissanceestetica.com
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facts-r-friends.com
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dach-loc.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Downloader.MSIL.gen.rexp.15382.17197.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Downloader.MSIL.gen.rexp.15382.17197.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe purecrypter.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1552-151-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1552-147-0x0000000001990000-0x0000000001CDA000-memory.dmp
memory/1552-148-0x0000000001640000-0x0000000001654000-memory.dmp
memory/1552-145-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2680-149-0x00000000027B0000-0x0000000002879000-memory.dmp
memory/2680-159-0x0000000008150000-0x0000000008287000-memory.dmp
memory/2680-157-0x0000000008150000-0x0000000008287000-memory.dmp
memory/3200-158-0x0000000000600000-0x000000000062F000-memory.dmp
memory/3200-154-0x0000000000600000-0x000000000062F000-memory.dmp
memory/3200-155-0x0000000001030000-0x000000000137A000-memory.dmp
memory/3200-156-0x0000000000BE0000-0x0000000000C73000-memory.dmp
memory/3200-153-0x0000000000CB0000-0x0000000000CBA000-memory.dmp
memory/4060-133-0x0000000006A20000-0x0000000006AB2000-memory.dmp
memory/4060-132-0x0000000000170000-0x000000000017A000-memory.dmp
memory/4060-135-0x0000000006AF0000-0x0000000006B12000-memory.dmp
memory/4060-134-0x0000000007070000-0x0000000007614000-memory.dmp
memory/4128-139-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/4128-143-0x0000000006D20000-0x0000000006D3A000-memory.dmp
memory/4128-142-0x0000000008080000-0x00000000086FA000-memory.dmp
memory/4128-141-0x0000000006820000-0x000000000683E000-memory.dmp
memory/4128-140-0x0000000006200000-0x0000000006266000-memory.dmp
memory/4128-138-0x00000000059F0000-0x0000000006018000-memory.dmp
memory/4128-137-0x0000000005250000-0x0000000005286000-memory.dmp