938d44be10097f59babeea2b2a388e8f71d663c4c543bb2bd599463f0a8b593b

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 13:58

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

ab4dfd749cabc33f31c71779bf2d4a37
SHA1

a8fb9d812b4cc70631dc95bbb72f1128092db9ba
SHA256

511a32b5eccd3498e7f814471adf97f7b8469b96c33ba040ca180124e6e03409
SHA512

4e8300fff0404c9cc68646f3a35062ff95681d51993948c601283b308ca3592ce4bb9ae9d7b4a5f0a8f0aee242bab209930e6997d8be0ed2b883491430fe2a31
SSDEEP

96:i0+NYlmO6KKMXs05SNgipZpALWIChUBH52qxoTUkKh6V7givcUOMseitAbEXJEci:iFOXfXZQ6i1AZ2q6grklcm/iaULQAZs

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	2660	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 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 1728 wrote to memory of 2660	1728	rundll32.exe	30
PID 2660 wrote to memory of 2416	2660	rundll32.exe	31
PID 2660 wrote to memory of 2416	2660	rundll32.exe	31
PID 2660 wrote to memory of 2416	2660	rundll32.exe	31
PID 2660 wrote to memory of 2416	2660	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:1728
- 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:2660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 224
    3⤵
    - Program crash
    PID:2416

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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