10e00650a49296b3a2309f722491e2260c5515dabc501aef56e40478c648f9a2

Analysis

max time kernel
94s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 17:55

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General

Target

$PLUGINSDIR/nsArray.dll
Size

12KB
MD5

6c41b7846fccb6edbbeba7ae13abbce2
SHA1

eebf8ef6bc529262ed9b0b38f21e49af243b8d75
SHA256

072086de8c1d354733b4f3555482656728e0a26be715e76b90c3a71faac7f8f6
SHA512

8189f41c564cb330c0f4c4b73c53f41c924a54914a62e80885451643d8ed7a3d7c5b6f7cd4b2a88a83a2ef1b6f063184812c53dda398eabd3508dd0ea02044de
SSDEEP

192:OaNHOZqWdn+/a4YZkv1uULW1C4w2X2bMsj/nYe+PjPArJUxVl+vlJar9ZCspE+Tf:OQudRQaYAU6hXUnYPLWUHWteMu/

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral24/memory/4744-0-0x0000000075330000-0x000000007533A000-memory.dmp	upx
behavioral24/memory/4744-1-0x0000000075330000-0x000000007533A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3312	4744	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 4744	2132	rundll32.exe	82
PID 2132 wrote to memory of 4744	2132	rundll32.exe	82
PID 2132 wrote to memory of 4744	2132	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 600
    3⤵
    - Program crash
    PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4744 -ip 4744
1⤵
PID:5064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4744-0-0x0000000075330000-0x000000007533A000-memory.dmp

Filesize
40KB

Download
memory/4744-1-0x0000000075330000-0x000000007533A000-memory.dmp

Filesize
40KB

Download