socks5systemz | 7d4ea4e69143df3f0f8fb9e4dee13c5251c4b1810d6b3a8626195906f00c0a49

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 23:41

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General

Target

76436512E3E3A9DCA38F5EAF312FE323.dll
Size

660KB
MD5

76436512e3e3a9dca38f5eaf312fe323
SHA1

503af6ad7617f847abbe509a907944f0e9213505
SHA256

7d4ea4e69143df3f0f8fb9e4dee13c5251c4b1810d6b3a8626195906f00c0a49
SHA512

aab595de7a3af9a3e7c480f953b392f42965348ffcda6a410eb990ae2c11c5a87f975b2ad2c34a147767b14325c60117af64f2bcea2813a7fbcee94ddfc951d9
SSDEEP

12288:oIsMQVdsxSoqFsUzAbRb7aZJhztomX9mFu4Ou1GN3/k3jQlVUihjxWBZlUAxwqwX:nDQVdsxSoqFsGA6rX9mFujeMwQljhjxb

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

Attributes

rc4_key
i4hiea56#7b&dfw3

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4432-0-0x00000000749F0000-0x0000000074A9D000-memory.dmp	family_socks5systemz
behavioral2/memory/4432-3-0x00000000749F0000-0x0000000074A9D000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4992	4432	WerFault.exe	83

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 412 wrote to memory of 4432	412	rundll32.exe	83
PID 412 wrote to memory of 4432	412	rundll32.exe	83
PID 412 wrote to memory of 4432	412	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76436512E3E3A9DCA38F5EAF312FE323.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\76436512E3E3A9DCA38F5EAF312FE323.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 892
    3⤵
    - Program crash
    PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 4432
1⤵
PID:2756

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

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Downloads

memory/4432-0-0x00000000749F0000-0x0000000074A9D000-memory.dmp

Filesize
692KB

Download
memory/4432-3-0x00000000749F0000-0x0000000074A9D000-memory.dmp

Filesize
692KB

Download