b157fd3064fc77b986f5333b9f0b898c5ea3677f1434fb8ca2369e18b43af166

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 19:43

Target
$TEMP/SDM143/ExentCtlInstaller.dll
Size 100KB
Sample240507-yfrnhsfa32
SHA256 76814c96196776c5ed4d65b9144d66423c78fda2faa61daf87cf4c742c07551b
MD5 6b2c9276b76ff82abc5b12626a6b3201
SHA1 ff1c09a79230e66eb6df7f6d7848710f1acfffa1
SHA512 20bc0e0f236bf7f4cb91dfa205b41175abe2a830d4adb9f210d2da2291ddc444c8484485c5c97a0141cfb3763b1e46542f5b211057966d85dc4d4c764e8eefe0
SSDEEP 1536:GyrB9NViYoJ3w1NjSzF5yfBsiZpsVI2TFQblrjgZYBmmlNL9bnouy8/Dvs3h5h:19eS3sF5EsuyQgp2out/DvSh
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

UPX packed file 5 IoCs

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

resource	yara_rule
behavioral9/memory/2908-2-0x0000000010000000-0x0000000010063000-memory.dmp	upx
behavioral9/memory/2908-3-0x0000000010000000-0x0000000010063000-memory.dmp	upx
behavioral9/memory/2908-1-0x0000000010000000-0x0000000010063000-memory.dmp	upx
behavioral9/memory/2908-0-0x0000000010000000-0x0000000010063000-memory.dmp	upx
behavioral9/memory/2908-4-0x0000000010000000-0x0000000010063000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2932	2908	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2872 wrote to memory of 2908	2872	rundll32.exe	28
PID 2908 wrote to memory of 2932	2908	rundll32.exe	29
PID 2908 wrote to memory of 2932	2908	rundll32.exe	29
PID 2908 wrote to memory of 2932	2908	rundll32.exe	29
PID 2908 wrote to memory of 2932	2908	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\SDM143\ExentCtlInstaller.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\SDM143\ExentCtlInstaller.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 232
    3⤵
    - Program crash
    PID:2932

memory/2908-2-0x0000000010000000-0x0000000010063000-memory.dmp

Download

memory/2908-3-0x0000000010000000-0x0000000010063000-memory.dmp

Download

memory/2908-1-0x0000000010000000-0x0000000010063000-memory.dmp

Download

memory/2908-0-0x0000000010000000-0x0000000010063000-memory.dmp

Download

memory/2908-4-0x0000000010000000-0x0000000010063000-memory.dmp

Download