Analysis
- max time kernel
149s - max time network
156s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
22/05/2026, 12:30
Behavioral task
behavioral1
Sample
tmp2pnjjke6.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp2pnjjke6.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
General
- Target tmp2pnjjke6.exe
- Size 45KB
- Sample260522-ppxfpaa18j
- SHA256 6510f08051fee06439c00f67d3cf519a3a4846f0ca5c230378d86ebb6d8e41ba
- MD5 6b463a4d38b631a54e21729fb60c12ea
- SHA1 88fbaa22da4fa5299ecb95a58d053bc947457387
- SHA512 8a85eafa73c23fb435edfaf7c3df7273cc28ec5cc26c6b75257478480d51c3f29db72d00e4ab8e4186a00cb4c891f742623a16cf83130b9d06e77602ecf7dcf9
- SSDEEP 768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qZ
- TLSH T19B23F1DEEA177C6AF4B38E3D63030B354612AA3175AEE7571861D2DD2C31364CE41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 560 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1741132852-2793423776-1557670484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DFE9A229 = "C:\\Users\\Admin\\AppData\\Roaming\\DFE9A229\\bin.exe" winver.exe -
resource yara_rule behavioral1/memory/2516-0-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral1/files/0x00070000000284bc-19.dat upx behavioral1/memory/560-22-0x0000000000400000-0x000000000041D000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 2504 1700 WerFault.exe 84 - 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 tmp2pnjjke6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1700 winver.exe 1700 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3424 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 26 IoCs
description pid Process Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1700 winver.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2516 wrote to memory of 1700 2516 tmp2pnjjke6.exe 84 PID 1700 wrote to memory of 3424 1700 winver.exe 57 PID 3424 wrote to memory of 2676 3424 Explorer.EXE PID 3424 wrote to memory of 2676 3424 Explorer.EXE PID 2676 wrote to memory of 560 2676 Process not Found 86 PID 2676 wrote to memory of 560 2676 Process not Found 86 PID 1700 wrote to memory of 788 1700 winver.exe 52
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:788
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\tmp2pnjjke6.exe"C:\Users\Admin\AppData\Local\Temp\tmp2pnjjke6.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516 -
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:1700 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 3884⤵
- Program crash
PID:2504
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-
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C:\Users\Admin\AppData\Roaming\DFE9A229\bin.exeC:\Users\Admin\AppData\Roaming\DFE9A229\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:560
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1700 -ip 17001⤵PID:4956
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\DFE9A229\bin.exe
- Size 45KB
- SHA256 100e643561956dd17cde318470a4b4b22b9fc682566b51a61b4c2fe5ebb41e98
- MD5 27108001d3e5b1bf238b822daf7421ee
- SHA1 808721df3ea71c7081d91655692efc6d29a1199d
- SHA512 1e3fcf6663f89c42c43d7dc0dc5bccab475bcd2096b1231843418e5d1693a1ad9fe269ebce3b751d6a8d40354e053b31a8966aef690b961675e0a6469f2d9a6d
- SSDEEP 768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qZ
- TLSH T1EC23F1DEEA177C6AF4B38E3D63030B354612AA3175AEE7571861D2DD2C31364CD41B2A
- MD5 SHA1 SHA512 SSDEEP TLSH