05b3347fcddf440da243f5fc417202d7eb2ac56f66c69f77d8385a33be55c595

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 22:27

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General

Target
$PLUGINSDIR/sign.dll
Size 32KB
Sample240612-2db2tswhnk
SHA256 1f2b4549129c1b98c5674fe363a0267376dfd623323c5815216043dfa7fe1f2a
MD5 d30b6c8d2f38e6abbb2f39bac0808bc0
SHA1 f1bca6416ae0f4c52e5b076381c72b18472954d8
SHA512 3bf03d839ffa04c1d5eeb89a6405820ab2eea3548050e730255df7e84dfc729157c0d5c7eceeead5e8e1f4aa23777fe78a5582f0772c85bf0f793dd245a887e8
SSDEEP 768:ciIqw3a6iG3SvsvUccH/ixF5cGIv5pXi:ci23avGCvycH/ifXuc
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral9/memory/1676-3-0x00000000745D0000-0x00000000745E7000-memory.dmp	upx
behavioral9/memory/1676-4-0x00000000745D0000-0x00000000745E7000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1844	1676	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 2264 wrote to memory of 1676	2264	rundll32.exe	28
PID 1676 wrote to memory of 1844	1676	rundll32.exe	29
PID 1676 wrote to memory of 1844	1676	rundll32.exe	29
PID 1676 wrote to memory of 1844	1676	rundll32.exe	29
PID 1676 wrote to memory of 1844	1676	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 328
    3⤵
    - Program crash
    PID:1844

Network

MITRE ATT&CK Matrix

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Downloads

memory/1676-0-0x0000000074600000-0x0000000074617000-memory.dmp

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memory/1676-3-0x00000000745D0000-0x00000000745E7000-memory.dmp

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memory/1676-2-0x00000000745F0000-0x0000000074607000-memory.dmp

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memory/1676-1-0x00000000745E0000-0x00000000745F7000-memory.dmp

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memory/1676-4-0x00000000745D0000-0x00000000745E7000-memory.dmp

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memory/1676-6-0x0000000074600000-0x0000000074617000-memory.dmp

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memory/1676-8-0x00000000745F0000-0x0000000074607000-memory.dmp

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memory/1676-7-0x00000000745E0000-0x00000000745F7000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads