6c0d68f540576b53b24a28d1c0b404a2c6e1c3633ec5a9b7f0d5959f281a4cda

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 07:43

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General

Target

7z.dll
Size

1.0MB
MD5

20005925d98d1a31e2940337aec9afc0
SHA1

779b827b6196ed3f247029a49ddc36fc8a08068a
SHA256

ab35d0798f0548fa4c55ea14a4e129372baf01b1ff3da5bfd5cdd55fe72d1f1e
SHA512

b41130718d73dd3e0e9ee8eed8a9cd1196c187b10793c58decac855ecf490e42a1c235f3e3beb1c893f8f00c0f1f0a48950f20a50e3d042adda642500cf0fbd5
SSDEEP

24576:wi5PJIx11kITLM49ND6xp7mmUvPWrn9yQrKaTe3nI7Q:j5PCzTLM49NDtGrn9PGX3nIQ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	3044	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 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 1976 wrote to memory of 3044	1976	rundll32.exe	30
PID 3044 wrote to memory of 2236	3044	rundll32.exe	31
PID 3044 wrote to memory of 2236	3044	rundll32.exe	31
PID 3044 wrote to memory of 2236	3044	rundll32.exe	31
PID 3044 wrote to memory of 2236	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 224
    3⤵
    - Program crash
    PID:2236

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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