bbf94071bf2d7407c3f533faa638927988253bf8667394a11441fb3764bcadbc

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 18:47

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

fbe295e5a1acfbd0a6271898f885fe6a
SHA1

d6d205922e61635472efb13c2bb92c9ac6cb96da
SHA256

a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
SHA512

2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06
SSDEEP

192:yPtkiQJr7V9r3Ftr87NfwXQ6whlgi62V7i77blbTc4DI:N7Vxr8IgLgi3sVc4

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	2904	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 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 1092 wrote to memory of 2904	1092	rundll32.exe	30
PID 2904 wrote to memory of 2992	2904	rundll32.exe	31
PID 2904 wrote to memory of 2992	2904	rundll32.exe	31
PID 2904 wrote to memory of 2992	2904	rundll32.exe	31
PID 2904 wrote to memory of 2992	2904	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:1092
- 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:2904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 220
    3⤵
    - Program crash
    PID:2992

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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