e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 02:52

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General

Target
e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe
Size 29KB
Sample240416-dc2n4ahe7y
SHA256 e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007
MD5 41a163c64a047e6420f15b261bf5a749
SHA1 e317cf44b61fc077535535fbd0077e1589b56d1b
SHA512 c7a862e91ea2712fa6c6635d312a60502c9ef60f761b54c6f6ea345247ae9082d21be70e13721f1118996f88dd16d64c789fbf7eb8f860f578daad222f781b39
SSDEEP 384:XFarS54hNHFPhND+D++KSNClzav1GJHEfhm26Uq91vuRXISihTDpPtsbSZKND:Vab8D++KS8daNGyUwq9JaTovtebSo
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/2392-0-0x0000000000400000-0x000000000040E000-memory.dmp	UPX
behavioral2/memory/2392-4-0x0000000000400000-0x000000000040E000-memory.dmp	UPX

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2392-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2392-4-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2392 set thread context of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3896	4600	WerFault.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4600	winver.exe
4600	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3576	Explorer.EXE
Token: SeCreatePagefilePrivilege	3576	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4600	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3576	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2392 wrote to memory of 2520	2392	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	86
PID 2520 wrote to memory of 4600	2520	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	87
PID 2520 wrote to memory of 4600	2520	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	87
PID 2520 wrote to memory of 4600	2520	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	87
PID 2520 wrote to memory of 4600	2520	e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe	87
PID 4600 wrote to memory of 3576	4600	winver.exe	57
PID 4600 wrote to memory of 2576	4600	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2576

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3576
- C:\Users\Admin\AppData\Local\Temp\e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe
  "C:\Users\Admin\AppData\Local\Temp\e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\AppData\Local\Temp\e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe
    "C:\Users\Admin\AppData\Local\Temp\e1b92a351359cdcb7f64ee2556fda34c7fd34079cb2612f8a7d36aeee0e56007.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:4600
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 636
        5⤵
        Program crash
        
        PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4600 -ip 4600
1⤵
PID:4940

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2392-4-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2392-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2520-15-0x0000000000590000-0x0000000000F90000-memory.dmp

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memory/2520-3-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/2520-5-0x0000000000590000-0x0000000000F90000-memory.dmp

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memory/2576-17-0x0000000000950000-0x0000000000956000-memory.dmp

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memory/2576-16-0x0000000000950000-0x0000000000956000-memory.dmp

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memory/3576-6-0x0000000002B60000-0x0000000002B66000-memory.dmp

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memory/3576-8-0x0000000002B60000-0x0000000002B66000-memory.dmp

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memory/3576-13-0x00007FFB7F440000-0x00007FFB7F441000-memory.dmp

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memory/3576-11-0x00007FFB7F2AD000-0x00007FFB7F2AE000-memory.dmp

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memory/4600-12-0x0000000000800000-0x0000000000806000-memory.dmp

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memory/4600-7-0x0000000000800000-0x0000000000806000-memory.dmp

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memory/4600-10-0x0000000000800000-0x0000000000806000-memory.dmp

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memory/4600-9-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

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memory/4600-19-0x0000000000800000-0x0000000000806000-memory.dmp

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