84bd980446e63d8941f42d7391bcce405fe4f5fd3f9b222879e0e05a8ee43041

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 20:19

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

301a9c8739ed3ed955a1bdc472d26f32
SHA1

a830ab9ae6e8d046b7ab2611bea7a0a681f29a43
SHA256

6ec9fde89f067b1807325b05089c3ae4822ce7640d78e6f32dbe52f582de1d92
SHA512

41d88489ecb5ec64191493a1ed2ed7095678955d9fa72cccea2ae76dd794e62e7b5bd3aa2c313fb4bdf41c2f89f29e4cafe43d564ecad80fce1bf0a240b1e094
SSDEEP

192:hCPej3uzvJwqJMQKN4GbeWZksMI4ETWcEbcBZ8ep2Kra7yAG:hCQ2HgN4GbeWmbI4Eybogia7yA

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2512	2792	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 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2288 wrote to memory of 2792	2288	rundll32.exe	30
PID 2792 wrote to memory of 2512	2792	rundll32.exe	31
PID 2792 wrote to memory of 2512	2792	rundll32.exe	31
PID 2792 wrote to memory of 2512	2792	rundll32.exe	31
PID 2792 wrote to memory of 2512	2792	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:2288
- 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:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 224
    3⤵
    - Program crash
    PID:2512

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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