d6c0f9cd71770bdf458ec8102f6d99cc1ace47f50684f95b1b1791f92ee807a2

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/02/2025, 06:50

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

e23600029d1b09bdb1d422fb4e46f5a6
SHA1

5d64a2f6a257a98a689a3db9a087a0fd5f180096
SHA256

7342b73593b3aa1b15e3731bfb1afd1961802a5c66343bac9a2c737ee94f4e38
SHA512

c971f513142633ce0e6ec6a04c754a286da8016563dab368c3fac83aef81fa3e9df1003c4b63d00a46351a9d18eaa7ae7645caef172e5e1d6e29123ab864e7ac
SSDEEP

192:Vm9rQDenC9VrcK7REgSWOprANupQYLRszDDH/d9CWlXo7U6Wxf:QJQEaVAK7R9SfpjpQYLRszfH/d9CWB1j

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	2540	WerFault.exe	29

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 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2220 wrote to memory of 2540	2220	rundll32.exe	29
PID 2540 wrote to memory of 2384	2540	rundll32.exe	30
PID 2540 wrote to memory of 2384	2540	rundll32.exe	30
PID 2540 wrote to memory of 2384	2540	rundll32.exe	30
PID 2540 wrote to memory of 2384	2540	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- 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:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 224
    3⤵
    - Program crash
    PID:2384

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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