0e7ba1cb5437ce3b1f1140747e4c6b64784fe58a427dab3dfc94c9f73fd0649b

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/01/2025, 20:00

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

14KB
MD5

2a03c4a7ac5ee5e0e0a683949f70971b
SHA1

3bd9877caaea4804c0400420494ad1143179dcec
SHA256

d4f0042d8e7622b7e14395e926dd02edab3cdc77e82d88108b67a4d2cee9229b
SHA512

1942cdb522859f8dba46824786e361794a62e6201279201e1e0e2e07499fb6252933c5661782fccd77291c3650cafb2a7a08eee5431c8238f0da44840ee4c476
SSDEEP

192:y4n3T5aK+dHCMR1aQR9RuZl3WWmU7WYZsw1JpVGnrjdK72dwF7dBOne:Tn3T5KdHCMRD/R1cOnrjd+BO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	2684	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 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2248 wrote to memory of 2684	2248	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	31
PID 2684 wrote to memory of 2364	2684	rundll32.exe	31
PID 2684 wrote to memory of 2364	2684	rundll32.exe	31
PID 2684 wrote to memory of 2364	2684	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:2248
- 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:2684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 244
    3⤵
    - Program crash
    PID:2364

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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