ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/11/2026, 10:16

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General

Target
$PLUGINSDIR/NSISdl.dll
Size 15KB
Sample261107-mar7bact3r
SHA256 ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d
MD5 8eabbe36e8b52e69322780d0f541fd19
SHA1 e5fa3eca8d2035e4fa006b7123c348348e4e6de4
SHA512 4189fabff409be4bc7a8e81be58fb18e32398e4ef4c01a70cf823d79e76f47c4681734808fd61db8728c73d2bcad890b09aa09d5a0f0b0c3ad581be1beaf9ce7
SSDEEP 384:jrSQMCOUILnCaSPy/yhJzmGSMRWyOUKie:jrSQMCOp0yamMRWysie
TLSH
T17B623C16B62084F5DBB2167034D73B3E6BB28F6A1A2848C34BF35C4E9E52307B675D85
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2212	8	WerFault.exe	81

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 1 IoCs

description	pid	Process	procid_target
PID 5304 wrote to memory of 8	5304	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:8
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 492
    3⤵
    - Program crash
    PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 8 -ip 8
1⤵
PID:4624

Network

MITRE ATT&CK Enterprise v16

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 v16

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