a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/10/2026, 14:03

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General

Target
$PLUGINSDIR/nsisFile.dll
Size 5KB
Sample261025-rc5yeahw8l
SHA256 a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587
MD5 b7d0d765c151d235165823b48554e442
SHA1 fe530e6c6fd60392d4ce611b21ec9daad3f1bc84
SHA512 5d801c24dfa1b7326f72f9c0acf3a330ef0cc3fce25ceee200bb12eab8c2b653025602e610e0cecda1e7cbd851ce1b66252531220b557a378ddb0b4a1741fa66
SSDEEP 48:a+guelvxkcuEkVy5wM4zL5stbmaN0QpUFdAwsj1gAtl/lSFc/H9UhV0n:3CBxIEkVQwzR2300URs5ldSFcv9c
TLSH
T191B1D83B69A097F2E0044673177B2EC76CB2A16433C9012F4B531A207E51937EDAEB47
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2924	904	WerFault.exe	84

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 2084 wrote to memory of 904	2084	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 600
    3⤵
    - Program crash
    PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 904 -ip 904
1⤵
PID:1608

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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