2337fb32f488b18ac24f0b38b90afc0d27d169a27af068018968b2f8226846b1

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 04:25

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General

Target

$PLUGINSDIR/nsExec.dll
Size

6KB
MD5

e54eb27fb5048964e8d1ec7a1f72334b
SHA1

2b76d7aedafd724de96532b00fbc6c7c370e4609
SHA256

ff00f5f7b8d6ca6a79aebd08f9625a5579affcd09f3a25fdf728a7942527a824
SHA512

c9ddd19484a6218f926295a88f8776aff6c0a98565714290485f9b3b53e7b673724946defed0207064d6ab0b1baa7cb3477952f61dbe22947238d3f5802fa4f4
SSDEEP

96:57GUb+YNfwgcr8zyKwZ5S4JxN8BS0ef9/3VI9d0qqyVgN532E:VKgfwgcr8zylsB49Ud0qJVgNQ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2548	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 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2572 wrote to memory of 2548	2572	rundll32.exe	30
PID 2548 wrote to memory of 2352	2548	rundll32.exe	31
PID 2548 wrote to memory of 2352	2548	rundll32.exe	31
PID 2548 wrote to memory of 2352	2548	rundll32.exe	31
PID 2548 wrote to memory of 2352	2548	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -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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