e3b7d41d71c07b0b7abbd771e7a57c312061b1a9c02333e75ed54fd69e4cc468

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 15:44

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

0c8ea8e6637bbf8408104e672d78ba45
SHA1

c231c7acaf9abb7da93f28e1b71bed164d57103e
SHA256

509a93177a7ae130bc3b6b5ec3236c7aa0811b8b86f8ab3442c65fdf8ff85b1f
SHA512

ee763a3cdbbba3b28e6a903ac942c7228bd8e54b19de21d6187e481f2916d833d9b9800e5ac2998f4aa26274cdfb20a8bfdd10f00f2a15d37bcc529b617e1f28
SSDEEP

192:+OSsJI/rqmIDNLU0dq51EgAiNbubv68LZ:QHQQ0d01Egbq768

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	2980	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 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 2980 wrote to memory of 2648	2980	rundll32.exe	32
PID 2980 wrote to memory of 2648	2980	rundll32.exe	32
PID 2980 wrote to memory of 2648	2980	rundll32.exe	32
PID 2980 wrote to memory of 2648	2980	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:1000
- 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:2980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 224
    3⤵
    - Program crash
    PID:2648

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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