a58eb6df9eab33d850e6c28363bd1fe57fb8160ef1da3f5702b1c150d4bf701b

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
04/10/2024, 19:29

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

f407939127208a009b9a825cb77ed3c7
SHA1

051d7fccf3fb544acaa8ab6be590bb4bc79cef82
SHA256

191fab998e58b66a2416873b06062166b547eb3ba06b1326a4a785a566aaf76d
SHA512

d45d08823ac7667f071b21d238b7fda43115db3195a442cb17d880d147e8a930374403c970afc31f676f01a83fb9c63e3be047de7e16718a08a1fdbe4b690901
SSDEEP

192:hzixixDOHhG9db9rd+oSVPECMlh3I8tqDyn/7hwbbHF1QuCb:hOx0DOHqrdwTY6+n/72bbMum

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1660	2280	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 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	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:2112
- 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:2280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 244
    3⤵
    - Program crash
    PID:1660

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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