f539c8892d58f4fd0f4cf209ad0486f31ec5b51debd315ef8fb278f0d1b26637

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 03:59

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample241106-ej95gswqhj
SHA256 9b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed
MD5 fc3772787eb239ef4d0399680dcc4343
SHA1 db2fa99ec967178cd8057a14a428a8439a961a73
SHA512 79e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89
SSDEEP 192:eS24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OloSl:S8QIl975eXqlWBrz7YLOlo
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1152	1752	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 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 1752 wrote to memory of 1152	1752	rundll32.exe	31
PID 1752 wrote to memory of 1152	1752	rundll32.exe	31
PID 1752 wrote to memory of 1152	1752	rundll32.exe	31
PID 1752 wrote to memory of 1152	1752	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 224
    3⤵
    - Program crash
    PID:1152

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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