socks5systemz | 5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80

General

Target

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe
Size

5.1MB
MD5

f327c83a85487dfa0ffd18b6c09d0316
SHA1

80bbbcf84f6ddca9f704f2c597b2366844cb4af4
SHA256

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80
SHA512

758123039f3f664c5422356edda77e1a63e0a08224b681e6da1a4e3f379cf271a193a2c10c2cfe65de28d822bfbafa23a674aac205b148148200f0682f53e8ac
SSDEEP

98304:mNcyl/Z82R5tjq4wmE7xhQl1MAKsFHuiFskii0f/Ai:ycylB82RO4wh7jQlxHupwC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3652-94-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral2/memory/3652-119-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral2/memory/3652-118-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmpcybersoundaudiodirector.execybersoundaudiodirector.exe

pid process

4368 5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
1404 cybersoundaudiodirector.exe
3652 cybersoundaudiodirector.exe

Loads dropped DLL 3 IoCs

Processes:

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

pid	process
4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 45.155.250.90
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

pid process

4368 5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

description	pid	process	target process
PID 1216 wrote to memory of 4368	1216	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
PID 1216 wrote to memory of 4368	1216	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
PID 1216 wrote to memory of 4368	1216	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
PID 4368 wrote to memory of 1404	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe
PID 4368 wrote to memory of 1404	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe
PID 4368 wrote to memory of 1404	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe
PID 4368 wrote to memory of 3652	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe
PID 4368 wrote to memory of 3652	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe
PID 4368 wrote to memory of 3652	4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp	cybersoundaudiodirector.exe

C:\Users\Admin\AppData\Local\Temp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe
"C:\Users\Admin\AppData\Local\Temp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\is-ABMOS.tmp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ABMOS.tmp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp" /SL5="$60206,5056821,54272,C:\Users\Admin\AppData\Local\Temp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe
    "C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1404
- - C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe
    "C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe

Filesize
2.3MB

MD5
e156d0447eddd50f81ddd1cbf936f200

SHA1
eac1d84399ec58b1038872a8312c13f9632a067e

SHA256
7dd92772be21decc1ee2f1defdb9815022db4f9831dc7f0a457f2f202702c310

SHA512
bb1748d9fe75f98f6a7b65b5243f1d20c1cdd1a046add7238aaa5efebe9512d011c9f611a0f20d7d8cceb50b04c8e8fe7537236c18cb154fb15b4bacbaa9ce1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-60ANQ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-60ANQ.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ABMOS.tmp\5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp

Filesize
680KB

MD5
0f0210b6ea9cadd6bfaafed90b236b80

SHA1
e54e625063b28b13a8aa0870a7fe3e329d79701d

SHA256
f2c278ea019d86265fbab58925b596336a091887006d9320668310788e85306e

SHA512
f5082900184f08c8eb5660692460398cf5fc1cbe7ca0b9f22a1564984db5acc7d81f7aff94783662e27933a2a7f0cb4d2758ebeff90a00083702de98ede5dfbc

Download Submit
memory/1216-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1216-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1404-65-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1404-71-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1404-69-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1404-66-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-81-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-97-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-75-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-126-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-78-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-123-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-82-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-85-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-88-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-91-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-94-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/3652-73-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-102-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-105-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-108-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-111-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-114-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-117-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/3652-119-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/3652-118-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/4368-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4368-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
4368	5ff269a233e48a6e174ac25474d70e0bb059991e1afe914efe8b79ae92488e80.tmp
1404	cybersoundaudiodirector.exe
3652	cybersoundaudiodirector.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads