764d1d0a2611acaec7add8d634bd038cbafbbba2f584cef5442ff182f6323094 | Triage

Analysis

max time kernel
55s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 11:50

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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
behavioral14/memory/716-0-0x0000000075620000-0x000000007562A000-memory.dmp	upx
behavioral14/memory/716-1-0x0000000075620000-0x000000007562A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1628	716	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 716	3640	rundll32.exe	84
PID 3640 wrote to memory of 716	3640	rundll32.exe	84
PID 3640 wrote to memory of 716	3640	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  PID:716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 600
    3⤵
    - Program crash
    PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 716 -ip 716
1⤵
PID:4280

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/716-0-0x0000000075620000-0x000000007562A000-memory.dmp

Filesize
40KB

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memory/716-1-0x0000000075620000-0x000000007562A000-memory.dmp

Filesize
40KB

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