Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
16/03/2023, 16:24
General
- Target ödeme formu_0001.exe
- Size 263KB
- Sample230316-twddlsbg66
- SHA256 ffc7eef1092b78448529aa79724d73c5babc66fbc440d767b0c46d9037b40ba0
Malware Config
Extracted
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formbook
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4.1
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k04s
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draanabellrojas.com
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in03.one
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kyraloves.co.uk
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laluma.store
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londoncell.com
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kanurikibueadvocates.com
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buyeasynow.net
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escapefromtarkov-wiki.com
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crewint.net
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f-b.boats
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beautyaidstudio.com
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ashfieldconsultancy.uk
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dlogsadood.com
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ftgam.xyz
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constantinopanama.com
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yellowpocket.africa
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konyil.com
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easomobility.com
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1135wickloecourt.com
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indexb2b.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 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\ödeme formu_0001.exe"C:\Users\Admin\AppData\Local\Temp\ödeme formu_0001.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zyayautyb.exe"C:\Users\Admin\AppData\Local\Temp\zyayautyb.exe" C:\Users\Admin\AppData\Local\Temp\gtwrbuyyg.xip3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zyayautyb.exe"C:\Users\Admin\AppData\Local\Temp\zyayautyb.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\systray.exe"C:\Windows\SysWOW64\systray.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\zyayautyb.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gtwrbuyyg.xip
ozziexwbmo.dm
zyayautyb.exe
zyayautyb.exe
zyayautyb.exe
memory/1432-149-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1432-142-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1432-145-0x00000000011B0000-0x00000000014FA000-memory.dmp
memory/1432-147-0x0000000001050000-0x0000000001064000-memory.dmp
memory/3156-148-0x00000000027C0000-0x0000000002933000-memory.dmp
memory/3156-157-0x0000000008340000-0x0000000008487000-memory.dmp
memory/3156-158-0x0000000008340000-0x0000000008487000-memory.dmp
memory/3156-160-0x0000000008340000-0x0000000008487000-memory.dmp
memory/4432-150-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/4432-151-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/4432-152-0x0000000000350000-0x000000000037F000-memory.dmp
memory/4432-153-0x00000000023E0000-0x000000000272A000-memory.dmp
memory/4432-154-0x0000000000350000-0x000000000037F000-memory.dmp
memory/4432-156-0x00000000022D0000-0x0000000002363000-memory.dmp