Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
21/11/2022, 04:36
General
- Target SecuriteInfo.com.Win32.DropperX-gen.15494.12986.exe
- Size 2.2MB
- Sample221121-e7874afg6y
- SHA256 78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44
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 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 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
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.15494.12986.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.DropperX-gen.15494.12986.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
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"4⤵
- Suspicious use of SetThreadContext
- 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"5⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1328-141-0x0000000005E80000-0x0000000005E9E000-memory.dmp
memory/1328-143-0x0000000006360000-0x000000000637A000-memory.dmp
memory/1328-142-0x00000000076C0000-0x0000000007D3A000-memory.dmp
memory/1328-137-0x00000000028C0000-0x00000000028F6000-memory.dmp
memory/1328-138-0x0000000004F70000-0x0000000005598000-memory.dmp
memory/1328-139-0x0000000005780000-0x00000000057E6000-memory.dmp
memory/1328-140-0x00000000057F0000-0x0000000005856000-memory.dmp
memory/2696-154-0x0000000002D20000-0x0000000002E71000-memory.dmp
memory/2696-149-0x0000000002D20000-0x0000000002E71000-memory.dmp
memory/2696-163-0x0000000008610000-0x000000000877D000-memory.dmp
memory/2696-161-0x0000000008610000-0x000000000877D000-memory.dmp
memory/2696-152-0x0000000007700000-0x00000000077BF000-memory.dmp
memory/3372-153-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3372-148-0x0000000000F50000-0x0000000000F64000-memory.dmp
memory/3372-147-0x0000000000FA0000-0x00000000012EA000-memory.dmp
memory/3372-150-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3372-151-0x0000000002CB0000-0x0000000002CC4000-memory.dmp
memory/3372-145-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3492-160-0x0000000001300000-0x0000000001393000-memory.dmp
memory/3492-157-0x0000000000E40000-0x0000000000E57000-memory.dmp
memory/3492-158-0x0000000000B90000-0x0000000000BBF000-memory.dmp
memory/3492-159-0x0000000001560000-0x00000000018AA000-memory.dmp
memory/3492-162-0x0000000000B90000-0x0000000000BBF000-memory.dmp
memory/4608-133-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/4608-132-0x0000000000340000-0x0000000000570000-memory.dmp
memory/4608-135-0x0000000005230000-0x0000000005252000-memory.dmp
memory/4608-134-0x00000000057B0000-0x0000000005D54000-memory.dmp