fa8064a6eca9a30e4525c9135d7ffb45a5d25dda297fa10f0e91bb721ea529f9

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
06/08/2024, 16:27

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General

Target

$PLUGINSDIR/JsisPlugins.dll
Size

2.1MB
MD5

d21ae3f86fc69c1580175b7177484fa7
SHA1

2ed2c1f5c92ff6daa5ea785a44a6085a105ae822
SHA256

a6241f168cacb431bfcd4345dd77f87b378dd861b5d440ae8d3ffd17b9ceb450
SHA512

eda08b6ebdb3f0a3b6b43ef755fc275396a8459b8fc8a41eff55473562c394d015e5fe573b3b134eeed72edff2b0f21a3b9ee69a4541fd9738e880b71730303f
SSDEEP

49152:rWUF3+DvlxaVlUj2UxF9TWkWbQWxACvRG+OZ1m/I31he2UaIyuK:rtF3+DLaVlUFWkWbQWx1JtOLm/IgaI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	2212	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 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2308 wrote to memory of 2212	2308	rundll32.exe	31
PID 2212 wrote to memory of 2504	2212	rundll32.exe	32
PID 2212 wrote to memory of 2504	2212	rundll32.exe	32
PID 2212 wrote to memory of 2504	2212	rundll32.exe	32
PID 2212 wrote to memory of 2504	2212	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\JsisPlugins.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\JsisPlugins.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 240
    3⤵
    - Program crash
    PID:2504

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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