399a66a264facc46f2a703c9de786fcff6707f1fa4ca383b9a35b3fdd073cb7e

Analysis

max time kernel
93s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 12:13

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General

Target

_socket.dll
Size

20KB
MD5

124fa2799f2f2556d1333c30062e8eae
SHA1

b8ab6a17c2261decc943bedd0d6e1da5b33c7aac
SHA256

4c431fa082dfe063141a667ee829e4a2a54a52e2eb95f5506355b161e87f18e4
SHA512

c198056a6093c7b4943214cbcceb167c6b4103b7eaa80e4623c3b19c6617f59309de07c4675fb0ac78f275e7b74bb5a2495b121d569e7fd0f7a490d08b8a3dae
SSDEEP

384:nilvfbrh8iYI8o/jZTenLIaF7o7uITQ6pe8GSuYaNJawcudoD7Uq5:nyfbSiYAF40aFHMFAnbcuyD7Uq5

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral18/memory/740-0-0x000000001E1D0000-0x000000001E1E0000-memory.dmp	upx
behavioral18/memory/740-1-0x0000000075110000-0x00000000751C1000-memory.dmp	upx
behavioral18/memory/740-2-0x00000000025A0000-0x00000000027EE000-memory.dmp	upx
behavioral18/memory/740-3-0x000000001E1D0000-0x000000001E1E0000-memory.dmp	upx

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 3 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 740	4456	rundll32.exe	82
PID 4456 wrote to memory of 740	4456	rundll32.exe	82
PID 4456 wrote to memory of 740	4456	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_socket.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_socket.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:740

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/740-0-0x000000001E1D0000-0x000000001E1E0000-memory.dmp

Filesize
64KB

Download
memory/740-1-0x0000000075110000-0x00000000751C1000-memory.dmp

Filesize
708KB

Download
memory/740-2-0x00000000025A0000-0x00000000027EE000-memory.dmp

Filesize
2.3MB

Download
memory/740-3-0x000000001E1D0000-0x000000001E1E0000-memory.dmp

Filesize
64KB

Download
memory/740-4-0x0000000075110000-0x00000000751C1000-memory.dmp

Filesize
708KB

Download
memory/740-5-0x00000000025A0000-0x00000000027EE000-memory.dmp

Filesize
2.3MB

Download
memory/740-6-0x00000000025A0000-0x00000000026E1000-memory.dmp

Filesize
1.3MB

Download