8244d3c049d38b92198166cd4f16d6a77f67c731fd157683c25decf4e699867e | Triage

Analysis

max time kernel
138s
max time network
312s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
16-04-2024 19:36

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General

Target

$PLUGINSDIR/nsJSON.dll
Size

7KB
MD5

78b913fcd04259634a5e901c616e6074
SHA1

ad5e1c651851a1125bcad79b01ccdcfa45df4799
SHA256

e3ce60666bb88c2412615ef9f432ec24e219532dee5cc1c7aebc65ed9ec94d59
SHA512

cbe07179dd93011f3d9a8f83541961ff34fb83d96658ac82a433ef0aa3399b183eaec3e6a49ec1c1e478d1eada2d3ebc78ffb1ae0574984ae66a7a9cab5d59e5
SSDEEP

192:QTIBadVjvTMEE7bZATR4N65bhztNDcrGu:QkkV/JE7IR865bhTcau

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral11/memory/1376-0-0x00000000757B0000-0x00000000757BA000-memory.dmp	upx
behavioral11/memory/1376-1-0x00000000757B0000-0x00000000757BA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4580	1376	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1376	4892	rundll32.exe	79
PID 4892 wrote to memory of 1376	4892	rundll32.exe	79
PID 4892 wrote to memory of 1376	4892	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  PID:1376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 448
    3⤵
    - Program crash
    PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1376 -ip 1376
1⤵
PID:3088

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1376-0-0x00000000757B0000-0x00000000757BA000-memory.dmp

Filesize
40KB

Download
memory/1376-1-0x00000000757B0000-0x00000000757BA000-memory.dmp

Filesize
40KB

Download