Analysis
- max time kernel
148s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
15/05/2023, 16:56
General
- Target rocrocroc.exe
- Size 236KB
- Sample230515-vfnebage46
- SHA256 80fd67b02253b03398a151f7c5392adfb32ad43a619a18c3dd8e2e8a876e9139
Malware Config
Extracted
-
formbook
-
4.1
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t30k
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coquitosatl.com
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havesnuoput.com
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edicareenroll.com
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eltechcenter.com
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abnahesi.com
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husgrunderalvsbyn.se
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emjpurenaturalenterprise.com
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fixedfloaut.com
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poshturefinds.net
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experiencetoro.com
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3dmedcarse.com
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digitalmarketingcourse-es.life
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lawyerinyakima.com
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blklashes.uk
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gfxzam.xyz
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mkartsforhealth.org.uk
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khietam.com
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kidrelieve.com
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carepluxhealthplans.com
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southwalesnappies.org.uk
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 10 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\rocrocroc.exe"C:\Users\Admin\AppData\Local\Temp\rocrocroc.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rocrocroc.exe"C:\Users\Admin\AppData\Local\Temp\rocrocroc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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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\rocrocroc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
jcbpekwt.dll
memory/724-153-0x0000000001170000-0x0000000001203000-memory.dmp
memory/724-144-0x0000000000170000-0x0000000000187000-memory.dmp
memory/724-148-0x0000000000170000-0x0000000000187000-memory.dmp
memory/724-149-0x0000000000C00000-0x0000000000C2F000-memory.dmp
memory/724-150-0x0000000001280000-0x00000000015CA000-memory.dmp
memory/724-151-0x0000000000C00000-0x0000000000C2F000-memory.dmp
memory/2780-157-0x0000000008540000-0x0000000008654000-memory.dmp
memory/2780-155-0x0000000008540000-0x0000000008654000-memory.dmp
memory/2780-143-0x0000000002C70000-0x0000000002D22000-memory.dmp
memory/2780-154-0x0000000008540000-0x0000000008654000-memory.dmp
memory/4152-142-0x00000000009D0000-0x00000000009E4000-memory.dmp
memory/4152-145-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4152-141-0x0000000000A10000-0x0000000000D5A000-memory.dmp
memory/4152-139-0x0000000000400000-0x000000000042F000-memory.dmp