d69ffc834e107c749462f1c39fbf1aeb1d6ffd344c3e3788e1b30268c142d2a1

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 00:08

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

b3ebe1cb6bdd529302c121dd4e2e0d00
SHA1

305f022e7e3ef0ae6cdc5f18bd6adc3032f64304
SHA256

5a1696f9892567b3339faf2bf4df5eb1d2d886c49807529028b65f0f493e79b2
SHA512

6f6ea4aec1588bb6f7ab4f8422942ac0acbddb8b916af2ead039b434bec6db4d0bf64deb3b8d6cc33666cabd70024a1208411ab6e0ee10bcf98c47951f8d359a
SSDEEP

384:7Klm7i+c3QW6ckPhyDEaLnu2bbBBIXwZ:mqi8BcyhEhLjbbTI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2916	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 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2916 wrote to memory of 2120	2916	rundll32.exe	31
PID 2916 wrote to memory of 2120	2916	rundll32.exe	31
PID 2916 wrote to memory of 2120	2916	rundll32.exe	31
PID 2916 wrote to memory of 2120	2916	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- 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:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 244
    3⤵
    - Program crash
    PID:2120

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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