socks5systemz | 6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 23:12

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General

Target

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe
Size

5.0MB
MD5

eb8563720fcf338e5ead27142021fce7
SHA1

779ddb1238bb8c115df69d3898cde26ea1457547
SHA256

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6
SHA512

54ca6da80d7acd58676d78d274a99a0967fe1ddb61c15349c00f9a51a8b3e006a134b9377e2146b15688b1db774a983adf03b37c9ab83f9f977ec0e3a74f4ae1
SSDEEP

98304:CcnW72ikqaU/0B2zFKuRuF8x9ta1w+JW/Kf/K2n5pMQIwv/UHieYZRUQx9W:5nWqikqaUcdUCJ7K2rMQIwv/hd+Qa

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1332-85-0x0000000000870000-0x0000000000912000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmpvkfreeaudiosaver32_64.exevkfreeaudiosaver32_64.exe

pid process

1060 6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
464 vkfreeaudiosaver32_64.exe
1332 vkfreeaudiosaver32_64.exe
Loads dropped DLL 1 IoCs

Processes:

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

pid process

1060 6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.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 152.89.198.214
Destination IP 91.211.247.248
Destination IP 141.98.234.31
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:

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

pid process

1060 6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

resource	yara_rule
behavioral1/memory/1332-85-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

pid	process
1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
464	vkfreeaudiosaver32_64.exe
1332	vkfreeaudiosaver32_64.exe

pid	process
1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	141.98.234.31

pid	process
1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp

description	pid	process	target process
PID 216 wrote to memory of 1060	216	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
PID 216 wrote to memory of 1060	216	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
PID 216 wrote to memory of 1060	216	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
PID 1060 wrote to memory of 464	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe
PID 1060 wrote to memory of 464	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe
PID 1060 wrote to memory of 464	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe
PID 1060 wrote to memory of 1332	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe
PID 1060 wrote to memory of 1332	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe
PID 1060 wrote to memory of 1332	1060	6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp	vkfreeaudiosaver32_64.exe

C:\Users\Admin\AppData\Local\Temp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe
"C:\Users\Admin\AppData\Local\Temp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Local\Temp\is-FD6DB.tmp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FD6DB.tmp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp" /SL5="$D0054,4998613,54272,C:\Users\Admin\AppData\Local\Temp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1060

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe" -i
3⤵
- Executes dropped EXE
PID:464

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe" -s
3⤵
- Executes dropped EXE
PID:1332

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FD6DB.tmp\6732bb9571d3105ac253bb4fa898950e86a01869263fb2d659c4db46e53761b6.tmp
Filesize
680KB

MD5
70295416713c0ce535665d806e3d54ac

SHA1
fe13c334ec67412f41fe190f93da7d45a57eccbd

SHA256
958c5f807a8268b09828e0f02a6c75a92f3a87dbd1853eb62e5996db990ba2ba

SHA512
2336597fb6ffe697ba62cd931479108556fee44319176989f961ae43aea62b111df6870a169202c6d960aface42779a2f82db48a69fe2072b711a512812f925c

Download Submit
C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
Filesize
3.5MB

MD5
74d008f8ee49d642527c53c06887fb16

SHA1
465b880f009eda3bb770418e697ad6c7859eaf2f

SHA256
ce1621b92da8fd4a4c9cca47ddfca677e4c77761e63682b98bb0882b90333dce

SHA512
f0de052b5b839626d819e722cdb762a7c9c1662070e2eeeb15bd72925a4c5cc8f5316a42659f579710811bb585776c1f7a4171def7f945af5e60d10d621cb578

Download Submit
memory/216-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/216-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-59-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/464-60-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/464-62-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/464-64-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1060-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1060-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1332-73-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-89-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-67-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-76-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-79-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-82-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-85-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/1332-70-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-92-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-95-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-98-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-101-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-104-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-107-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-110-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1332-113-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download