a03a2c54363d0a6a4d0cc8adad21bfbd59db178af4635de80ca7381de3817ed1

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 09:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/NsisInstallUI.dll
Size

3.7MB
MD5

8a1cb070eb302cd1f6b9533cb660f2ec
SHA1

6625f09b8b197463a73945d4334c0764ab704d18
SHA256

eb70eae413743826bc482f24c01107fe744ea6d8bbd25e59867f5c9694f81f87
SHA512

43177a131ffdbf6583085929bc937748fb74f1a151271530ef5d242024f1dd7f3e5c0d00f608311ef7f131aad5c02839cce513a8537157bbad9422936177e0bb
SSDEEP

49152:sI1FYawpvNtJBJJsxaLCHGoFT0LCHGoFTURURCqXllrIn:PbYaA3JBJJsxa6GyT06GyTUR8te

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2832	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 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2812 wrote to memory of 2832	2812	rundll32.exe	30
PID 2832 wrote to memory of 2848	2832	rundll32.exe	31
PID 2832 wrote to memory of 2848	2832	rundll32.exe	31
PID 2832 wrote to memory of 2848	2832	rundll32.exe	31
PID 2832 wrote to memory of 2848	2832	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NsisInstallUI.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NsisInstallUI.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 252
    3⤵
    - Program crash
    PID:2848

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

Loading Replay Monitor...