Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
02/05/2023, 07:44
General
- Target URGENT REGUEST.exe
- Size 746KB
- Sample230502-jkweyaab36
- SHA256 338c24b4e755ad15fa3fba95c2a4df09d8fe2aa343b13dc8d5506013ba8bb94a
Malware Config
Extracted
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formbook
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4.1
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m82
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jamesdevereux.com
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artificialturfminneapolis.com
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hongmeiyan.com
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lojaderoupasbr.com
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yit.africa
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austinrelocationexpert.com
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saiva.page
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exitsategy.com
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chochonux.com
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klosterbraeu-unterliezheim.com
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byseymanur.com
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sblwarwickshire.co.uk
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brazimaid.com
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ciogame.com
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bronzesailing.com
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dwkapl.xyz
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022dyd.com
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compassandpathwriting.com
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alphabet1x.com
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selfcleaninghairbrush.co.uk
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Blocklisted process makes network request 1 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).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 51 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\URGENT REGUEST.exe"C:\Users\Admin\AppData\Local\Temp\URGENT REGUEST.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HuUvQzoLspO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDB3.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"2⤵
- Blocklisted process makes network request
- 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\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpDDB3.tmp
memory/388-149-0x0000000009B80000-0x0000000009CAE000-memory.dmp
memory/388-160-0x0000000009CB0000-0x0000000009DE2000-memory.dmp
memory/388-159-0x0000000009CB0000-0x0000000009DE2000-memory.dmp
memory/388-162-0x0000000009CB0000-0x0000000009DE2000-memory.dmp
memory/2672-136-0x0000000004E40000-0x0000000004ED2000-memory.dmp
memory/2672-139-0x0000000004E00000-0x0000000004E10000-memory.dmp
memory/2672-140-0x0000000004E00000-0x0000000004E10000-memory.dmp
memory/2672-138-0x0000000005030000-0x0000000005086000-memory.dmp
memory/2672-137-0x0000000004DB0000-0x0000000004DBA000-memory.dmp
memory/2672-133-0x00000000002A0000-0x0000000000360000-memory.dmp
memory/2672-135-0x0000000005350000-0x00000000058F4000-memory.dmp
memory/2672-134-0x0000000004D00000-0x0000000004D9C000-memory.dmp
memory/4284-146-0x0000000001650000-0x000000000199A000-memory.dmp
memory/4284-152-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4284-148-0x00000000011C0000-0x00000000011D5000-memory.dmp
memory/4284-144-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4528-153-0x0000000000570000-0x00000000005CA000-memory.dmp
memory/4528-154-0x0000000000BA0000-0x0000000000BCF000-memory.dmp
memory/4528-155-0x0000000001750000-0x0000000001A9A000-memory.dmp
memory/4528-156-0x0000000000BA0000-0x0000000000BCF000-memory.dmp
memory/4528-158-0x0000000001590000-0x0000000001624000-memory.dmp
memory/4528-150-0x0000000000570000-0x00000000005CA000-memory.dmp