Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
22/11/2022, 09:41
General
- Target 6c57d954185304fcdf601ae96c7683dd.exe
- Size 312KB
- Sample221122-lnrl9scd71
- SHA256 e2175069548a88b8d2eb7f6fd0dcb8760317025817cb6d2c8b40a3ff71972a6f
Malware Config
Extracted
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formbook
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4.1
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h3ha
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ideas-dulces.store
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store1995.store
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swuhn.com
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ninideal.com
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musiqhaus.com
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quranchart.com
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kszq26.club
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lightfx.online
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thetickettruth.com
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meritloancubk.com
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lawnforcement.com
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sogeanetwork.com
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thedinoexotics.com
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kojima-ah.net
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gr-myab3z.xyz
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platiniuminestor.net
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reviewsiske.com
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stessil-lifestyle.com
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goodqjourney.biz
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cirimpianti.com
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 60 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\6c57d954185304fcdf601ae96c7683dd.exe"C:\Users\Admin\AppData\Local\Temp\6c57d954185304fcdf601ae96c7683dd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\piwkmbf.exe"C:\Users\Admin\AppData\Local\Temp\piwkmbf.exe" C:\Users\Admin\AppData\Local\Temp\krclcxfacaf.z3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\piwkmbf.exe"C:\Users\Admin\AppData\Local\Temp\piwkmbf.exe" C:\Users\Admin\AppData\Local\Temp\krclcxfacaf.z4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.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\piwkmbf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
bigfdsk.cx
krclcxfacaf.z
piwkmbf.exe
piwkmbf.exe
piwkmbf.exe
memory/2704-142-0x0000000008250000-0x00000000083BD000-memory.dmp
memory/2704-151-0x00000000083C0000-0x00000000084BA000-memory.dmp
memory/2704-149-0x00000000083C0000-0x00000000084BA000-memory.dmp
memory/3196-141-0x0000000001170000-0x0000000001184000-memory.dmp
memory/3196-140-0x00000000015E0000-0x000000000192A000-memory.dmp
memory/3196-139-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4676-145-0x0000000000DC0000-0x0000000000DEF000-memory.dmp
memory/4676-144-0x0000000000150000-0x0000000000167000-memory.dmp
memory/4676-147-0x0000000001850000-0x0000000001B9A000-memory.dmp
memory/4676-148-0x00000000015E0000-0x0000000001673000-memory.dmp
memory/4676-150-0x0000000000DC0000-0x0000000000DEF000-memory.dmp