8fa040ad61b72d8be290640baf39fccc945d6991ac8356020fbee760c88656ce | Triage

Analysis

max time kernel
143s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 01:13

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General

Target

$PLUGINSDIR/nsisunz.dll
Size

80KB
MD5

546e77815b232fd3d98533d6b62ecdfb
SHA1

75d901a1593985470f4ca3aab3b7bdbb380df950
SHA256

d9d4446db8855b8c5c904dd49bf5c3c5b7a97abba32b531e5a8641fecfe9b669
SHA512

3acbdcbfc26a83b81c69b71f0258ab34d10c958a20c1ae9b83fb28b811e2834ae47daf435b96e44a42d50228c53fc1112c6f8d13e4f1297230a0542a23a90413
SSDEEP

1536:zZ/TqaR83tNmybt/fArrpnJPWGCMoI1PNL2H7/llNPO:zZ/TqaR83tNnqx9oID2llNPO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	1144	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1144	1148	rundll32.exe	84
PID 1148 wrote to memory of 1144	1148	rundll32.exe	84
PID 1148 wrote to memory of 1144	1148	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
  2⤵
  PID:1144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 600
    3⤵
    - Program crash
    PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1144 -ip 1144
1⤵
PID:1884

Network

MITRE ATT&CK Matrix

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