b615ab29ee9c0a886419ad35a93b6978f5e7a8781eee6b23f6fe85afef2b7b23

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:38

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General

Target

$PLUGINSDIR/nsWebJPDesk.dll
Size

300KB
MD5

d7945b9e9ec6598060ef3b9f93be3f02
SHA1

b36a25ad5a631c77050b908c261c1cafb28f0b06
SHA256

b13a84dfb4a801a89a97f3eab6edeb3a47cbb5fa6d104503ce714a9f20ed69f9
SHA512

de0af351675c702f9db825b69bc8bd4ddcb9ac5e61deca98e0acdc7b7ec32b6d7a751dff1969816d9ad3efafc818641b679089f25d81d56120d3e603a0b6d0f9
SSDEEP

3072:3L2pPD6npPU86KtvrySRqQkkc6ncSQ9vyw8gekwvegplJwwwwww6pZaELk5:3LEPDWphtTRqdKcS0Hwjl2Jw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1088	1856	WerFault.exe	30

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 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1804 wrote to memory of 1856	1804	rundll32.exe	30
PID 1856 wrote to memory of 1088	1856	rundll32.exe	31
PID 1856 wrote to memory of 1088	1856	rundll32.exe	31
PID 1856 wrote to memory of 1088	1856	rundll32.exe	31
PID 1856 wrote to memory of 1088	1856	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebJPDesk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebJPDesk.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 240
    3⤵
    - Program crash
    PID:1088

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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