dbdc4bbf70c2c98f63488758b63677bee47f87423efddab8b550b386a946355f | Triage

Analysis

max time kernel
66s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 17:23

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General

Target

$PLUGINSDIR/nsArray.dll
Size

6KB
MD5

7fc4723bb0a4118e5f91047021d1aacd
SHA1

092a321a21d802045105ecc8cd3c9d7d2c6da923
SHA256

8f9bfeebfa3b070b116de61a63271b6c25af0dbb4bbfb4ae73e334d1f8517efd
SHA512

1fe86533987ff1c4d446b231dc1ff2c3bbce224ae91b73ffead539f08740bfb06d2f40f1aedf0571106dc4e12eec27aa32018c2bf5361b7488c07b4d90800f02
SSDEEP

192:EaNHOZqWdn+/a4YZkv1uULW1C4w2X2bM:EQudRQaYAU6hX

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

Processes:

resource	yara_rule
behavioral16/memory/4376-0-0x0000000074E80000-0x0000000074E8A000-memory.dmp	upx
behavioral16/memory/4376-1-0x0000000074E80000-0x0000000074E8A000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3288 4376 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 116 wrote to memory of 4376	116	rundll32.exe	rundll32.exe
PID 116 wrote to memory of 4376	116	rundll32.exe	rundll32.exe
PID 116 wrote to memory of 4376	116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  PID:4376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 600
    3⤵
    - Program crash
    PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4376 -ip 4376
1⤵
PID:2376

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4376-0-0x0000000074E80000-0x0000000074E8A000-memory.dmp

Filesize
40KB

Download
memory/4376-1-0x0000000074E80000-0x0000000074E8A000-memory.dmp

Filesize
40KB

Download