Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/06/2026, 00:27
Behavioral task
behavioral1
Sample
tmpkjcihg9b.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpkjcihg9b.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target tmpkjcihg9b.exe
- Size 34KB
- Sample260609-ar8jeah19n
- SHA256 9c098e84af7e0cfe50a24ce699c95d69ac395ef908bcb52aa657dbcbfbd3e397
- MD5 eb3651e28021ee5ff712b340eacafd03
- SHA1 fe939cdfb03f06b8e5c441008a943c68ddfaf38d
- SHA512 7f129ba7472b8de988046e1c875d7ff371e788547648f666b771fdf50e38b121dedb61f6c015803ade2afe58c9d4ad4e28d4656a665c532c1fa8f667476862f1
- SSDEEP 768:1p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:1pYoX58z1uirL98xMWnT0OQ9J2
- TLSH T136F2E1923B59E122E0E7DC3319F5680B9731C9699F5E4F7F1AC825299C74390BC43B92
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3428 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EE2BD0CE = "C:\\Users\\Admin\\AppData\\Roaming\\EE2BD0CE\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4120-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/3428-23-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x000800000002437f-21.dat upx - Program crash 1 IoCs
pid pid_target Process procid_target 764 1156 WerFault.exe 90 - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmpkjcihg9b.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1156 winver.exe 1156 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3256 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE Token: SeShutdownPrivilege 3256 Explorer.EXE Token: SeCreatePagefilePrivilege 3256 Explorer.EXE - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1156 winver.exe 3256 Explorer.EXE 3256 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3256 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4120 wrote to memory of 1156 4120 tmpkjcihg9b.exe 90 PID 1156 wrote to memory of 3256 1156 winver.exe 56 PID 3256 wrote to memory of 1708 3256 Explorer.EXE PID 3256 wrote to memory of 1708 3256 Explorer.EXE PID 1708 wrote to memory of 3428 1708 Process not Found 94 PID 1708 wrote to memory of 3428 1708 Process not Found 94 PID 1156 wrote to memory of 2260 1156 winver.exe 51
Processes
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2260
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Users\Admin\AppData\Local\Temp\tmpkjcihg9b.exe"C:\Users\Admin\AppData\Local\Temp\tmpkjcihg9b.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 3564⤵
- Program crash
PID:764
-
-
-
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C:\Users\Admin\AppData\Roaming\EE2BD0CE\bin.exeC:\Users\Admin\AppData\Roaming\EE2BD0CE\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3428
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1156 -ip 11561⤵PID:2724
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\EE2BD0CE\bin.exe
- Size 34KB
- SHA256 f19c2f4c7a588925d134fb7d8c40e200658b9606130f78780543f487b08aeee3
- MD5 06c8efa8706bef8569ce303c77211fc7
- SHA1 09a85d050fba731abbe742893f6ef4aaafd8026f
- SHA512 64f7fdfc115d16ac6e4126e55c3e3b1443a8c4ed4a753215da4700f90a6cdd720cc8516e0c3297465532d6b63706e2f81d1c166dce5503f482f58b6a85dcc3cc
- SSDEEP 768:vp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:vpYoX58z1uirL98xMWnT0OQ9J2
- TLSH T144F2E1923B59E122E0E7DC3319F9680B9732C8659F5E4F7F1AC825299C70390BC43B92
- MD5 SHA1 SHA512 SSDEEP TLSH