6a19d19f29a7d05b2c008e8872c052a422555a3e7a847e34dd8ed307378b057b

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 14:40

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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
behavioral23/memory/2196-1-0x0000000074BE0000-0x0000000074BEA000-memory.dmp	upx
behavioral23/memory/2196-4-0x0000000074BE0000-0x0000000074BEA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2196	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2684 wrote to memory of 2196	2684	rundll32.exe	31
PID 2196 wrote to memory of 2832	2196	rundll32.exe	32
PID 2196 wrote to memory of 2832	2196	rundll32.exe	32
PID 2196 wrote to memory of 2832	2196	rundll32.exe	32
PID 2196 wrote to memory of 2832	2196	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 220
    3⤵
    - Program crash
    PID:2832

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/2196-2-0x0000000074BF0000-0x0000000074BFA000-memory.dmp

Filesize
40KB

Download
memory/2196-1-0x0000000074BE0000-0x0000000074BEA000-memory.dmp

Filesize
40KB

Download
memory/2196-0-0x0000000074BF0000-0x0000000074BFA000-memory.dmp

Filesize
40KB

Download
memory/2196-4-0x0000000074BE0000-0x0000000074BEA000-memory.dmp

Filesize
40KB

Download