a325e7d410cc7437061ff3111d4dfaa957577186f619f539da6dc5614b7c1070

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 05:55

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b9f430f71c7144d8ff4ab94be2785aa6
SHA1

c5c1e153caff7ad1d221a9acc8bbb831f05ccb05
SHA256

b496e81a74ce871236abcd096fb9a6b210b456bebaa7464fa844b3241e51a655
SHA512

c7ce431b6a1493fd7d1fe1b1c823ad22b582c43c8eb2fb6a471c648dd9df9953277c89932c66afd598d43ea36f4a8602e84cd175115266943071cbc8ce204099
SSDEEP

192:hClej3uzvJwqJMQKN4GbeWZksMI4ETWcEbcBZ8ep2Kra7yOG:hCm2HgN4GbeWmbI4Eybogia7yO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	1692	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 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1692 wrote to memory of 2404	1692	rundll32.exe	31
PID 1692 wrote to memory of 2404	1692	rundll32.exe	31
PID 1692 wrote to memory of 2404	1692	rundll32.exe	31
PID 1692 wrote to memory of 2404	1692	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:1680
- 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:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 224
    3⤵
    - Program crash
    PID:2404

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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