371aa86762c3fbe6127101007329732eb3dc34e34d2de2cedffa17a00b9d4411

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/07/2024, 15:12

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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
2208	3000	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 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 112 wrote to memory of 3000	112	rundll32.exe	31
PID 3000 wrote to memory of 2208	3000	rundll32.exe	32
PID 3000 wrote to memory of 2208	3000	rundll32.exe	32
PID 3000 wrote to memory of 2208	3000	rundll32.exe	32
PID 3000 wrote to memory of 2208	3000	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:112
- 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:3000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 224
    3⤵
    - Program crash
    PID:2208

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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