67926e45822c5211691f2c32d10dcb10daf123a746a72e3ed906b6eec3e0bead

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 03:19

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General

Target

$PLUGINSDIR/System.dll
Size

9KB
MD5

f3f4da651834fa4044ac1f0b52e23648
SHA1

868e93b5a840f21acb37eae4f934fa3cdf49412e
SHA256

0666031824869382068c7930620a3047e8df762c348d121d03c257efda2b2ee9
SHA512

10c0d78f0888ab2b5877b25eaded6a645458470573b5fdbe7bdd7dff7d01cf00827fcf0cab80d24ef8e3ddda444fa92c29e8e59f68ee6f4213d4d56d54dc228a
SSDEEP

192:6QSQDICjS8H8MUjzZ5ROnFbe6KKuF1bs:6M6U8TDROnTKXF1b

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	2188	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 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2184 wrote to memory of 2188	2184	rundll32.exe	31
PID 2188 wrote to memory of 2068	2188	rundll32.exe	32
PID 2188 wrote to memory of 2068	2188	rundll32.exe	32
PID 2188 wrote to memory of 2068	2188	rundll32.exe	32
PID 2188 wrote to memory of 2068	2188	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:2184
- 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:2188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 224
    3⤵
    - Program crash
    PID:2068

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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