19ae3643afa6978f331d8b0a62693cf3dbd9d3d9263b649fd875fb39ad684394

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 16:44

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

b2639b996a3d69541c78642772283e9f
SHA1

e8a0c678708b8b625234a3ac502e37940ad2992f
SHA256

79aa4f0daf303b02bfcf0306e690378e050003e42c7c9d3e1bd5ad62fb2f3a21
SHA512

fabd2f9dd6ff8887cde99c9ccb7c755722daed0e6d7d332e1811b7a4a0f10daaad3ab750fb90838fdcc8049bda49f0cb84283e007c48e54b117b4de41c321815
SSDEEP

96:57GUaYNwCLuGFctpiKFlYJ8hH4RVHpwdEeY3kRlDr6dMqqyVgN838:Vygp3FcHi0xhYMR8dMqJVgN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2232	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 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2732 wrote to memory of 2232	2732	rundll32.exe	31
PID 2232 wrote to memory of 2352	2232	rundll32.exe	32
PID 2232 wrote to memory of 2352	2232	rundll32.exe	32
PID 2232 wrote to memory of 2352	2232	rundll32.exe	32
PID 2232 wrote to memory of 2352	2232	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 224
    3⤵
    - Program crash
    PID:2352

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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