Analysis
- max time kernel
153s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
02/03/2022, 16:27
General
- Target 847b832c2f0e00b943760f330c60e08a.exe
- Size 336KB
- Sample220302-tx31nahccj
- SHA256 0736da1f42878cc4630f0b855fb638e76989fc53513fac93061cfdd49f9c94cf
Malware Config
Extracted
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formbook
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4.1
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by73
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advertencys.info
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printableminis.com
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mjahpr.icu
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workremotehome.com
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es-dailynews.info
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zaryard.com
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your-bakemark.com
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metalypsis.com
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primehomerealtyut.com
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turbantechie.com
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dd-mhgj.com
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earnwithcryptocurrency.com
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xn--8dbh2c.com
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trainopia.com
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plysec.xyz
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avis-tente.com
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pitabel.com
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gabriannanails.com
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thebipolarpenguin.com
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alumistarcomponentes.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
- 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 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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\847b832c2f0e00b943760f330c60e08a.exe"C:\Users\Admin\AppData\Local\Temp\847b832c2f0e00b943760f330c60e08a.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dgvbhqhjnk.exeC:\Users\Admin\AppData\Local\Temp\dgvbhqhjnk.exe C:\Users\Admin\AppData\Local\Temp\muforbix3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dgvbhqhjnk.exeC:\Users\Admin\AppData\Local\Temp\dgvbhqhjnk.exe C:\Users\Admin\AppData\Local\Temp\muforbix4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmmon32.exe"C:\Windows\SysWOW64\cmmon32.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\dgvbhqhjnk.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2308-138-0x0000000008EE0000-0x0000000008FFB000-memory.dmp
memory/2308-146-0x0000000009000000-0x0000000009183000-memory.dmp
memory/3876-140-0x000000000041F000-0x0000000000420000-memory.dmp
memory/3876-137-0x0000000001440000-0x000000000178A000-memory.dmp
memory/3876-139-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3876-141-0x00000000013F0000-0x0000000001404000-memory.dmp
memory/3876-134-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4008-142-0x0000000000510000-0x000000000051C000-memory.dmp
memory/4008-143-0x0000000002B00000-0x0000000002B2F000-memory.dmp
memory/4008-144-0x0000000004980000-0x0000000004CCA000-memory.dmp
memory/4008-145-0x0000000004870000-0x0000000004903000-memory.dmp