Analysis
- max time kernel
146s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 06:03
General
- Target e6cab1dc546c3d3af04305b97992d36b_JaffaCakes118.exe
- Size 477KB
- Sample240408-gr9vssae2y
- SHA256 d6817307408c704dd71dc68edeb870d25c6773078bbd9c3fb522f476c755da3b
Malware Config
Extracted
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formbook
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3.9
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fr
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geturstuff.life
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kisakollections.com
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bkipmtahuna.com
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aoxou.com
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thebigandfreeupdates.download
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utvtribe.com
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icontoken.com
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naturexperience.com
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h2sentertainmentcafe.com
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careerproresumepa.com
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franchiseindia.directory
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psychouniversity.com
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traveng.com
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mylifestylebyclem.com
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greentmraelty.com
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imoneg.com
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lupusrebelacademy.com
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ghqxc.info
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lylulidbd.com
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dalfreestyle.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.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 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 28 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e6cab1dc546c3d3af04305b97992d36b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e6cab1dc546c3d3af04305b97992d36b_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\e6cab1dc546c3d3af04305b97992d36b_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\syscheck.exe"C:\Users\Admin\AppData\Local\syscheck.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\syscheck.exe"C:\Users\Admin\AppData\Local\syscheck.exe"5⤵
- Executes dropped EXE
- 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\syscheck.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
syscheck.exe
memory/408-33-0x0000000002B40000-0x0000000002E8A000-memory.dmp
memory/408-31-0x0000000000560000-0x000000000069A000-memory.dmp
memory/408-29-0x0000000000560000-0x000000000069A000-memory.dmp
memory/408-37-0x0000000000AD0000-0x0000000000AFA000-memory.dmp
memory/408-34-0x00000000028B0000-0x0000000002943000-memory.dmp
memory/408-32-0x0000000000AD0000-0x0000000000AFA000-memory.dmp
memory/2400-20-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2400-27-0x00000000013A0000-0x00000000013B4000-memory.dmp
memory/2400-26-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2400-24-0x00000000016C0000-0x0000000001A0A000-memory.dmp
memory/3164-40-0x0000000002F20000-0x0000000002FBE000-memory.dmp
memory/3164-43-0x0000000002F20000-0x0000000002FBE000-memory.dmp
memory/3164-39-0x0000000002F20000-0x0000000002FBE000-memory.dmp
memory/3164-28-0x00000000082F0000-0x000000000847B000-memory.dmp
memory/3480-19-0x00000000062E0000-0x000000000637C000-memory.dmp
memory/3480-15-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3480-23-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3480-18-0x0000000005670000-0x0000000005680000-memory.dmp
memory/3480-17-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3480-16-0x0000000005670000-0x0000000005680000-memory.dmp
memory/4412-11-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4412-1-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4412-9-0x00000000058D0000-0x00000000058E0000-memory.dmp
memory/4412-8-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4412-5-0x00000000058D0000-0x00000000058E0000-memory.dmp
memory/4412-4-0x0000000005640000-0x000000000565C000-memory.dmp
memory/4412-3-0x0000000005700000-0x0000000005792000-memory.dmp
memory/4412-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/4412-0-0x0000000000D80000-0x0000000000DFE000-memory.dmp