26b36d605cdf0147e0107338c0b95bb43359c8582111603c67c771cfa11e9711

Analysis

max time kernel
140s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 19:07

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

67d8f4d5acdb722e9cb7a99570b3ded1
SHA1

f4a729ba77332325ea4dbdeea98b579f501fd26f
SHA256

fa8de036b1d9bb06be383a82041966c73473fc8382d041fb5c1758f991afeae7
SHA512

03999cc26a76b0de6f7e4e8a45137ee4d9c250366ac5a458110f00f7962158311eea5f22d3ee4f32f85aa6969eb143bdb8f03ca989568764ed2bc488c89b4b7f
SSDEEP

192:CsIZHdT9uwYX94kYd2iCzHR+yK7imphLAykycpKPd5m78ozxGUWumle:CsUHd9GN2d2iwl0impATIPdA78Ov6

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
448	952	WerFault.exe	84

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 1924 wrote to memory of 952	1924	rundll32.exe	84
PID 1924 wrote to memory of 952	1924	rundll32.exe	84
PID 1924 wrote to memory of 952	1924	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 636
    3⤵
    - Program crash
    PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 952 -ip 952
1⤵
PID:3968

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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