Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/08/2026, 09:13
General
- Target 8e3cae459f1ebecb25a61bcff06fde92ba986e8601c96098749fb6a2b905f475.dll
- Size 211KB
- Sample260831-k6z6payfmb
- SHA256 8e3cae459f1ebecb25a61bcff06fde92ba986e8601c96098749fb6a2b905f475
Malware Config
Signatures
- Family: Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
- Executes dropped EXE 2 IoCs
- Drops file in System32 directory 1 IoCs
- UPX packed file 13 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 3 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 43 IoCs
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of UnmapMainImage 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e3cae459f1ebecb25a61bcff06fde92ba986e8601c96098749fb6a2b905f475.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8e3cae459f1ebecb25a61bcff06fde92ba986e8601c96098749fb6a2b905f475.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 2046⤵
- Program crash
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4412 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4136 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1724 -ip 17241⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
8A7891822FCFF127E4EADADE9757112B
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
8A7891822FCFF127E4EADADE9757112B
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_430EA0912164D1B129D6E1DC07C63959
RecoveryStore.{40A91B5D-A51C-11F1-B40A-5AB93EA64185}.dat
RecoveryStore.{40ADDFD9-A51C-11F1-B40A-5AB93EA64185}.dat
suggestions[1].en-US
rundll32mgr.exe
memory/464-8-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-7-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-6-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-5-0x0000000000401000-0x0000000000404000-memory.dmp
memory/464-11-0x0000000000A30000-0x0000000000A31000-memory.dmp
memory/464-12-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-20-0x0000000000401000-0x0000000000404000-memory.dmp
memory/464-15-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-13-0x0000000000400000-0x0000000000421000-memory.dmp
memory/464-10-0x0000000000400000-0x0000000000421000-memory.dmp
memory/1724-34-0x0000000000460000-0x0000000000461000-memory.dmp
memory/1724-33-0x0000000000480000-0x0000000000481000-memory.dmp
memory/2880-0-0x0000000010000000-0x0000000010039000-memory.dmp
memory/3092-29-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-39-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-35-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-38-0x00000000779F2000-0x00000000779F3000-memory.dmp
memory/3092-42-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-43-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-37-0x0000000000070000-0x0000000000071000-memory.dmp
memory/3092-36-0x00000000779F2000-0x00000000779F3000-memory.dmp
memory/3092-31-0x0000000000840000-0x0000000000841000-memory.dmp
memory/3092-30-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3092-22-0x0000000000400000-0x0000000000421000-memory.dmp