23914f9b9807d142ea60691ea70e16fd8237bb1e3544faaecd78e114537416fa

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 10:14

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

86b5a07a43b7cbc5c49263b8d974b736
SHA1

78388286a311810d812c13d87dea12d581713e60
SHA256

5897fb00be38e502fb5dfd047d97e5e4da6387a7a6259633dc31c2427612901b
SHA512

dcbe379c28302bb3472339cd24949b16548fa0003882a920df6839078cc7b2563f058a0524bf25df0a5ec8b08e302ebc9e646033109958669d8af883af959ffe
SSDEEP

192:JO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1a+gMO:cKAFERdlxhGRYUzqZa+

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2188	3008	WerFault.exe	31

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 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 2972 wrote to memory of 3008	2972	rundll32.exe	31
PID 3008 wrote to memory of 2188	3008	rundll32.exe	32
PID 3008 wrote to memory of 2188	3008	rundll32.exe	32
PID 3008 wrote to memory of 2188	3008	rundll32.exe	32
PID 3008 wrote to memory of 2188	3008	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- 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:3008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 224
    3⤵
    - Program crash
    PID:2188

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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