177da7fd9ca1cd14410bad2c87ae228ce5f234e9c0cbc375c399a929eab49f52

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 08:18

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General

Target

AVRegLib.dll
Size

88KB
MD5

dbb9961544ebfcefcb117a301bb3946d
SHA1

e28a7c48066a7f30ef0a175f8c3170299c96d575
SHA256

051866253dce9caf89d9a853e4522e6cf12221f4ef32118f27a669dcef529eee
SHA512

e65745878013014096d66a5248c69a709164c425e2d75f834dfe13e18ffcc42c083946c1ce27181a46ec1ca2620896e9e5892e489d40d97b42110bb2542b76df
SSDEEP

1536:kQ0YjvPNoL1MhDJrYAZVjIf9BNZcYpyJrn2yUyUOKRHvCaA:yOhDNYA4f9Fxn5OKRH

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 SetWindowsHookEx 1 IoCs

pid	Process
3012	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31
PID 2952 wrote to memory of 3012	2952	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AVRegLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AVRegLib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3012

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

Replay Monitor

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Downloads

memory/3012-0-0x0000000000180000-0x000000000018E000-memory.dmp

Filesize
56KB

Download
memory/3012-1-0x00000000002B0000-0x0000000000325000-memory.dmp

Filesize
468KB

Download
memory/3012-3-0x0000000000240000-0x0000000000258000-memory.dmp

Filesize
96KB

Download