Analysis
- max time kernel
146s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
26/03/2024, 23:20
Behavioral task
behavioral1
Sample
a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe
Resource
win7-20240221-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe
Resource
win10v2004-20240226-en
8 signatures
150 seconds
General
- Target a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe
- Size 232KB
- Sample240326-3bpetaef78
- SHA256 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24
- MD5 ce3a125d70ce7a7dd104c28a02efbe2f
- SHA1 f2cd70bf78762703a604ef71323b28e066cbf7d6
- SHA512 664a2b71b1dccf03a438ce864b39c8a14b95f1ad4fa2df4a39c3a1d739be8376cc879a0ccee141170fcb4f2dad9d98fed4be26f3efaa7ee735fd343cb3bf0b94
- SSDEEP 3072:0bewiQZxwsaP028UajsvrtSTyBCYHWuw10PN9yV8Ggq:0SsO5028U/xSTyZHWqy+Nq
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral2/memory/388-0-0x0000000000400000-0x000000000043A000-memory.dmp UPX behavioral2/memory/388-3-0x0000000000400000-0x000000000043A000-memory.dmp UPX behavioral2/memory/388-15-0x0000000000400000-0x000000000043A000-memory.dmp UPX -
resource yara_rule behavioral2/memory/388-0-0x0000000000400000-0x000000000043A000-memory.dmp upx behavioral2/memory/388-3-0x0000000000400000-0x000000000043A000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 2632 2856 WerFault.exe 90 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2856 winver.exe 2856 winver.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3476 Explorer.EXE Token: SeCreatePagefilePrivilege 3476 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2856 winver.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3476 Explorer.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 388 wrote to memory of 2856 388 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe 90 PID 388 wrote to memory of 2856 388 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe 90 PID 388 wrote to memory of 2856 388 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe 90 PID 388 wrote to memory of 2856 388 a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe 90 PID 2856 wrote to memory of 3476 2856 winver.exe 56 PID 2856 wrote to memory of 3088 2856 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3088
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3476 -
C:\Users\Admin\AppData\Local\Temp\a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe"C:\Users\Admin\AppData\Local\Temp\a6dfd6965c8d7294f047738127a74b95b2e27016a044bb77ddaf010d6c0e5e24.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 4364⤵
- Program crash
PID:2632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2856 -ip 28561⤵PID:2432