4a8b90600201990378161adf50d45fbe22be6526298eb607e55d5266840ec5c8

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 17:14

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General

Target

$PLUGINSDIR/InstallerStuff.dll
Size

115KB
MD5

b506d349c4089079ab758ec5dfe2f512
SHA1

3584cbbd56291738cf991845b893f985ab57ddd8
SHA256

98cc6a88f1e05d41946e26c84bc75d3be32d4706783d23ee9a66cb563b5b785f
SHA512

8f2841387f8e2990841c594228294eab16fd637dc72493e903c37a4575a60041aa2c3cb42b6b75db31a0c270fa71a0029bf8ce0629374972ba59fd7ac485a530
SSDEEP

1536:aF/lMOy6cWef0K9CWGHyAkeW2Km+odcI9sWjcdQlBDe4p4iq5:+lMnTIpSAkeum+oe4BDe4p4ii

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4304	4484	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 2356 wrote to memory of 4484	2356	rundll32.exe	83
PID 2356 wrote to memory of 4484	2356	rundll32.exe	83
PID 2356 wrote to memory of 4484	2356	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallerStuff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallerStuff.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 620
    3⤵
    - Program crash
    PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4484 -ip 4484
1⤵
PID:2812

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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