Analysis
- max time kernel
155s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
- submitted
04/08/2022, 07:17
General
- Target PRE ALERT DOCUMENTS.exe
- Size 750KB
- Sample220804-h4c72adcfp
- SHA256 5be7e2a77b35c4a4b902b3d391f6b06f53595e759d322638641977a4a45a4b51
Malware Config
Extracted
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formbook
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4.1
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o85a
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lvmh.store
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grantrec.online
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pinkglam.net
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springreno.com
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moneynappress.com
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disclegends.net
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taizonee9.app
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3365826.com
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asdmohs19.website
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atlantapolicy.com
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rioinvestmentrd.com
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alltriciashomemadegoodies.com
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duanvidentcenter.com
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whitelabelcasino.xyz
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uptick.business
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kickverseblade.store
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malmotairi.com
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nazhan.site
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nehimiah.world
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aero-bell.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 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). Likely ransomware behaviour.
- 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 48 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\PRE ALERT DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qhRKwUfe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4035.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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\PRE ALERT DOCUMENTS.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp4035.tmp
memory/1068-153-0x0000000007050000-0x0000000007185000-memory.dmp
memory/1068-152-0x0000000007050000-0x0000000007185000-memory.dmp
memory/1068-149-0x0000000002720000-0x000000000283B000-memory.dmp
memory/1068-143-0x0000000002720000-0x000000000283B000-memory.dmp
memory/4064-146-0x0000000000690000-0x00000000006BF000-memory.dmp
memory/4064-151-0x00000000027B0000-0x0000000002843000-memory.dmp
memory/4064-150-0x0000000000690000-0x00000000006BF000-memory.dmp
memory/4064-148-0x00000000029A0000-0x0000000002CEA000-memory.dmp
memory/4064-145-0x00000000004E0000-0x000000000061A000-memory.dmp
memory/4160-142-0x00000000019A0000-0x00000000019B4000-memory.dmp
memory/4160-141-0x0000000001650000-0x000000000199A000-memory.dmp
memory/4160-140-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4160-138-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4648-134-0x00000000057B0000-0x00000000057BA000-memory.dmp
memory/4648-130-0x0000000000D50000-0x0000000000E12000-memory.dmp
memory/4648-133-0x0000000005880000-0x000000000591C000-memory.dmp
memory/4648-132-0x00000000057E0000-0x0000000005872000-memory.dmp
memory/4648-131-0x0000000005D90000-0x0000000006334000-memory.dmp