socks5systemz | 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46

General

Target

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe
Size

4.9MB
MD5

47638ef20264e82df1e4991225964786
SHA1

f807216e0d09539bf6e8eb7489984cb1e1663f75
SHA256

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46
SHA512

8e33064edd213dff07dea44115aaceef373215d4f4c42aba9b2be0600804594183e3e16da422791d71bf0a960b56a7fee40c772ca54ab7b1e1472373f007c245
SSDEEP

98304:mGqSAKf+yevTfXyXZkQgNRFpt66AolOKWX3qYmCNzjrkR6PddIu:N4KfhevEIRg6PvCN9PUu

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bukjoqh.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2004-83-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz

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

Processes:

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

3608 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
2404 m4atomp3converter.exe
2004 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

pid process

3608 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 91.211.247.248
Destination IP 45.155.250.90
Destination IP 152.89.198.214
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:

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

pid process

3608 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

pid	process
3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
2404	m4atomp3converter.exe
2004	m4atomp3converter.exe

pid	process
3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	152.89.198.214

pid	process
3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

description	pid	process	target process
PID 2492 wrote to memory of 3608	2492	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 2492 wrote to memory of 3608	2492	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 2492 wrote to memory of 3608	2492	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 3608 wrote to memory of 2404	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe
PID 3608 wrote to memory of 2404	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe
PID 3608 wrote to memory of 2404	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe
PID 3608 wrote to memory of 2004	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe
PID 3608 wrote to memory of 2004	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe
PID 3608 wrote to memory of 2004	3608	60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe
"C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2492

C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
"C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp" /SL5="$40234,4935037,54272,C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3608

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
3⤵
- Executes dropped EXE
PID:2404

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
3⤵
- Executes dropped EXE
PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
3.1MB

MD5
cc35a7e7e939bdf7c4d6a82bf7a273e1

SHA1
3658005a42c4844ec98d7b8db1b1b17238749ccd

SHA256
458b2804c9c0d90e8cb98014abb6116729cd039785a694200c87cc10cde5a31b

SHA512
a3b4bfe639d47f95836a7e348d7c9dcbd4f16ee7efa794b0065a9a8a5c37f345107e2d4605d40ca9d7eb0cfaaf210a9d59e40befea5b21e353eacabc8bafb9a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
Filesize
680KB

MD5
283da5c763c54b41092d9fe0d244b491

SHA1
d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03

SHA256
339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9

SHA512
306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MMAL1.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2004-88-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-76-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-114-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-111-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-108-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-105-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-67-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-102-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-99-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-70-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-73-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-96-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-79-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-82-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2004-83-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/2004-93-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2404-64-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2404-60-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2404-59-0x0000000000400000-0x000000000071A000-memory.dmp

Filesize
3.1MB

Download
memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2492-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2492-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3608-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3608-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing