b8af7411f5326554348cf51451d1831cb038935440edf77d01f392b2cc946927

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 13:31

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General

Target

b8af7411f5326554348cf51451d1831cb038935440edf77d01f392b2cc946927N.dll
Size

124KB
MD5

627c0c314f3b6380a86dcc516e27df40
SHA1

d9221cc4bd55c3590db08c01949b8cbf1c721e3a
SHA256

b8af7411f5326554348cf51451d1831cb038935440edf77d01f392b2cc946927
SHA512

93f94cfa7b89ff0692e33875e77cbe4f60107833d2aabb5f0d80fabe3fd9515fade572096b47b5867189e1ca447f519f22a27b05e17b85bff42a372b87853fac
SSDEEP

1536:j8v0nBOV3D14cIGW96Aptm0wnRNI4BYJmJq99inEJOS12jkixUabQ:Yv0nBU3pIGRLrYciHcHxUab

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2240	2076	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 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2624 wrote to memory of 2076	2624	rundll32.exe	30
PID 2076 wrote to memory of 2240	2076	rundll32.exe	31
PID 2076 wrote to memory of 2240	2076	rundll32.exe	31
PID 2076 wrote to memory of 2240	2076	rundll32.exe	31
PID 2076 wrote to memory of 2240	2076	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8af7411f5326554348cf51451d1831cb038935440edf77d01f392b2cc946927N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8af7411f5326554348cf51451d1831cb038935440edf77d01f392b2cc946927N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 224
    3⤵
    - Program crash
    PID:2240

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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