1bbc61490d03fe12c5511aa2c81e7e94344aa40dd968b48e0736342f2a8ee1e6

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 02:28

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

f8d9d9418e6e1827ed2b53dd930e48fb
SHA1

c78b0e5b274dbbfd032a0f3ed795d82d5ea617c8
SHA256

2a2878b54550178144665d4c5f67309f71f1089679ae0f84fa419b8a309a88e4
SHA512

510ac31f9e330ec2e6133c1cbe775a955b79b94dc5a84d94b2c59d9b513c35f3786ff8a7f706d04ec2503a4ffc16535624a34e0dcc53e91eedd2321691b617fc
SSDEEP

192:eMGGr8JZYGO9QQr5aQbf1QuQVOmDsjcdOISYKoTs11929WtshLAzuy:eMGu8Jy1ai5aZBptdYYKCs/Yos

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	2004	WerFault.exe	28

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 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2224 wrote to memory of 2004	2224	rundll32.exe	28
PID 2004 wrote to memory of 1572	2004	rundll32.exe	29
PID 2004 wrote to memory of 1572	2004	rundll32.exe	29
PID 2004 wrote to memory of 1572	2004	rundll32.exe	29
PID 2004 wrote to memory of 1572	2004	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 244
    3⤵
    - Program crash
    PID:1572

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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