fb9f0b1e7f4f94d012df4eedb39983832e8ad6e46f7fb6a1dee16440b11c9139

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 20:38

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General

Target

fb9f0b1e7f4f94d012df4eedb39983832e8ad6e46f7fb6a1dee16440b11c9139N.dll
Size

119KB
MD5

9989a89d9ac584c51936e08fd9747f60
SHA1

8cbe06a95b4edc0f5c363a682bc63ef91e62dbb3
SHA256

fb9f0b1e7f4f94d012df4eedb39983832e8ad6e46f7fb6a1dee16440b11c9139
SHA512

8657fd4d360cb51975468b547b80d62635c24bcee43130c38193296949f774fb802dafdfd1d162dc68f2734c45f5a1da444a425f393597ec3fa8cb85887783c9
SSDEEP

1536:4X/dgPLOLN8gq9f4/jkxD3N4dyB/zX6ck1wCXu3TEzy/tPb5fe:4KAOD9vuXMTEe/tj5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	2784	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 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2784 wrote to memory of 2828	2784	rundll32.exe	32
PID 2784 wrote to memory of 2828	2784	rundll32.exe	32
PID 2784 wrote to memory of 2828	2784	rundll32.exe	32
PID 2784 wrote to memory of 2828	2784	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb9f0b1e7f4f94d012df4eedb39983832e8ad6e46f7fb6a1dee16440b11c9139N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb9f0b1e7f4f94d012df4eedb39983832e8ad6e46f7fb6a1dee16440b11c9139N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 224
    3⤵
    - Program crash
    PID:2828

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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