b0fe5e9cc5e5529bf71dfd6818c259983a51f2f17960a91736bbacc065403e18

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 16:15

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General

Target

$PLUGINSDIR/nsis7z.dll
Size

176KB
MD5

06ff2b95b8e123d32487b0cb73409031
SHA1

8cb3f584112db4e74cea4ed02d4ce0b3a5373bfa
SHA256

0dedad042a306da32784c3ce79bfac0475b827e416c17e1a1dfdb461151f4271
SHA512

174e7599ba87bc45111ce340d7563771353df71988d6b9094d8bdeab4b45ec730cbd2e6bf3943ad66daa02d7f1f1eac0020b987109fabed96b2e0def8d0602c6
SSDEEP

3072:rfSCQ4FYoKhEHvf4aytolZ8MMNjXtWXTkibb7zHetRYFJ8:HFYosEH3UtoX8fUtXPOm

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1204	1644	WerFault.exe	83

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 1416 wrote to memory of 1644	1416	rundll32.exe	83
PID 1416 wrote to memory of 1644	1416	rundll32.exe	83
PID 1416 wrote to memory of 1644	1416	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 608
    3⤵
    - Program crash
    PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1644 -ip 1644
1⤵
PID:1208

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

Windows 7 deprecation

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