Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/01/2023, 17:00
General
- Target b705c0d51e75c9dff2ad3a8d10ac2842.exe
- Size 603KB
- Sample230113-vh137aaf55
- SHA256 afbccae6537d0602edbc99ef03ec8b89ec23df241079f949c0b8a0aa6f9aa8f0
Malware Config
Extracted
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formbook
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4.1
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pe63
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iparkshonan.com
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cahoonset.com
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chuliji.com
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judiangka.boats
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casadecanyonlane.com
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hukaol.xyz
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websiteclonescripts.com
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jjlpoi.com
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e-insurance.africa
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buketubalonu.com
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foruminati.se
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12rivalo.xyz
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bblifebizsolutions.com
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larimarfitness.com
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conectado.xyz
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511271.com
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shpte-energy.net
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thewayit.net
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jpdentistry.co.uk
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aisini5201314.love
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 58 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 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\b705c0d51e75c9dff2ad3a8d10ac2842.exe"C:\Users\Admin\AppData\Local\Temp\b705c0d51e75c9dff2ad3a8d10ac2842.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hsrqimufc.exe"C:\Users\Admin\AppData\Local\Temp\hsrqimufc.exe" C:\Users\Admin\AppData\Local\Temp\nmxqjhp.og3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hsrqimufc.exe"C:\Users\Admin\AppData\Local\Temp\hsrqimufc.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.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\hsrqimufc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
hsrqimufc.exe
hsrqimufc.exe
hsrqimufc.exe
nmxqjhp.og
uhjegcy.hgx
memory/2616-144-0x0000000000CC0000-0x0000000000CCE000-memory.dmp
memory/2616-150-0x0000000000480000-0x00000000004AF000-memory.dmp
memory/2616-148-0x0000000000B90000-0x0000000000C24000-memory.dmp
memory/2616-146-0x0000000001100000-0x000000000144A000-memory.dmp
memory/2616-145-0x0000000000480000-0x00000000004AF000-memory.dmp
memory/2640-142-0x0000000003480000-0x0000000003540000-memory.dmp
memory/2640-149-0x0000000008680000-0x0000000008755000-memory.dmp
memory/2640-151-0x0000000008680000-0x0000000008755000-memory.dmp
memory/4808-141-0x00000000009C0000-0x00000000009D5000-memory.dmp
memory/4808-140-0x0000000000A20000-0x0000000000D6A000-memory.dmp
memory/4808-139-0x0000000000400000-0x000000000042F000-memory.dmp