0a94a43af2db7bdbada87b34bf03d3b221110d1ca21bbebec55b08767c1281cc

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 22:39

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General

Target

bin/udefrag-kernel.dll
Size

46KB
MD5

f72f526b334a578b8fbdc6a20b9e2e4e
SHA1

e89977dbd6e3b21016764ea39e0bfd6c93a02f70
SHA256

0233af69b35decefdc7bb9ab7c8732434ebd4880c3b18085e6116f28431e3d4b
SHA512

ec25fa006943b411b20a2c9ca6824412a47615a62446d0aacf37fdbac48cf785f93008cae69697453efc94785ccdeef06c7292da625a88146369113d95bb3a0e
SSDEEP

768:gcPFbqnYkp+98StOUEiD7oXGeB6SGyrPVj4ZtWWBMK6133I5OgKssFhXOjy20uCn:IVp++StsiQvvGy5jStQb1HXV00x7

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30
PID 2908 wrote to memory of 1712	2908	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\udefrag-kernel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\udefrag-kernel.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712

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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