139abf66af6d86fb4410f9351b99253d1ec1e8388c536fc162229a755500c515

Analysis

max time kernel
116s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/11/2024, 01:00

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample241110-bcpy7awcnn
SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
MD5 bf712f32249029466fa86756f5546950
SHA1 75ac4dc4808ac148ddd78f6b89a51afbd4091c2e
SHA512 13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4
SSDEEP 192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	1552	WerFault.exe	31

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 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 2232 wrote to memory of 1552	2232	rundll32.exe	31
PID 1552 wrote to memory of 2568	1552	rundll32.exe	32
PID 1552 wrote to memory of 2568	1552	rundll32.exe	32
PID 1552 wrote to memory of 2568	1552	rundll32.exe	32
PID 1552 wrote to memory of 2568	1552	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- 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:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 220
    3⤵
    - Program crash
    PID:2568

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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