Analysis
- max time kernel
160s - max time network
165s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
13/04/2022, 17:45
General
- Target emezx (1).exe
- Size 876KB
- Sample220413-wbpl9aebek
- SHA256 e9deef760186498e9b4d075c784b6170bc976a767652f4a5228215fd1b1841cc
Malware Config
Extracted
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formbook
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4.1
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g02e
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rankwrestles.com
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dm285.com
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0824e.com
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smaduread.com
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staygoodbossedup.com
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actacricket.xyz
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djpauloso.com
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collingwoodwellbabyclinic.com
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fazzamedia.com
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faento.online
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devoteddixons.com
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ljconcierto.com
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dallasmorningpost.com
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changledi.com
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sz-lyfw.com
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askdigiguru.com
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aihongyan.com
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educanet12.com
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accedabancsabadell.com
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vetkoekworld.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 3 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"C:\Users\Admin\AppData\Local\Temp\emezx (1).exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.exe"2⤵
- 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:\Users\Admin\AppData\Local\Temp\emezx (1).exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1244-124-0x00000000001E0000-0x00000000002C2000-memory.dmp
memory/1244-125-0x0000000005170000-0x0000000005714000-memory.dmp
memory/1244-126-0x0000000004C70000-0x0000000004D02000-memory.dmp
memory/1244-127-0x0000000004DB0000-0x0000000004E4C000-memory.dmp
memory/1244-128-0x0000000004D20000-0x0000000004D2A000-memory.dmp
memory/1244-129-0x0000000008680000-0x00000000086E6000-memory.dmp
memory/2836-135-0x00000000016C0000-0x00000000016D5000-memory.dmp
memory/2836-132-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2836-134-0x0000000001750000-0x0000000001A9A000-memory.dmp
memory/2836-137-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2836-138-0x0000000001710000-0x0000000001725000-memory.dmp
memory/3028-146-0x0000000008870000-0x0000000008983000-memory.dmp
memory/3028-136-0x0000000002FF0000-0x00000000030B2000-memory.dmp
memory/3028-139-0x00000000085A0000-0x0000000008732000-memory.dmp
memory/4820-143-0x0000000001300000-0x000000000132F000-memory.dmp
memory/4820-142-0x0000000000100000-0x0000000000127000-memory.dmp
memory/4820-144-0x0000000003310000-0x000000000365A000-memory.dmp
memory/4820-145-0x0000000003270000-0x0000000003304000-memory.dmp