socks5systemz | 44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2

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 23:57

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General

Target

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe
Size

5.0MB
MD5

1cd3039c6c156e4055f3c795c87524b9
SHA1

dadfc1bcb9c4a513d14d3c91d8260ff2c69780fb
SHA256

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2
SHA512

a8773d77a07c22ce07112bf023ce2cf5ff6f990d6e4fcf3f93f3de9ac1510a94f06eed214b740d4d69965b85be99552ba93e8774d2359a18cd0a069d4b6c7920
SSDEEP

98304:CuEcOlGKVsW7Mifm2zIIo4cLz0Rrl/w96wwv7Aea9GPQqt7NQx9W:77WsE3Bc8R5aGk1GNQa

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/3732-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmpvkfreeaudiosaver32_64.exevkfreeaudiosaver32_64.exe

pid process

4936 44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
3684 vkfreeaudiosaver32_64.exe
3732 vkfreeaudiosaver32_64.exe
Loads dropped DLL 1 IoCs

Processes:

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

pid process

4936 44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.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 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:

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

pid process

4936 44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

resource	yara_rule
behavioral1/memory/3732-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

pid	process
4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
3684	vkfreeaudiosaver32_64.exe
3732	vkfreeaudiosaver32_64.exe

pid	process
4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp

description	pid	process	target process
PID 3028 wrote to memory of 4936	3028	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
PID 3028 wrote to memory of 4936	3028	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
PID 3028 wrote to memory of 4936	3028	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
PID 4936 wrote to memory of 3684	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe
PID 4936 wrote to memory of 3684	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe
PID 4936 wrote to memory of 3684	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe
PID 4936 wrote to memory of 3732	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe
PID 4936 wrote to memory of 3732	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe
PID 4936 wrote to memory of 3732	4936	44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp	vkfreeaudiosaver32_64.exe

C:\Users\Admin\AppData\Local\Temp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe
"C:\Users\Admin\AppData\Local\Temp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\is-KL49R.tmp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KL49R.tmp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.tmp" /SL5="$90060,4986389,54272,C:\Users\Admin\AppData\Local\Temp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4936

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:3684

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:3732

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-0G4KR.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KL49R.tmp\44743ac829bc457e8652b428149674db171cfdd91d4f0e304a8ac919d5fb6ec2.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
52f396cbca37cdd09c870707aadfe899

SHA1
d72c90bd57ca4b94175720be29e1d7f0f6c0829c

SHA256
b3b802ba7aab60c3b6537657bf1c044ce2933e956f9cc64ccd3c74c585f496d6

SHA512
5f60a723765411748a24c0050491ef86bf67be4f1f8a94147378f927ec19d37dfab6fdb7dd2b60fba494a1812a6b1d280014be959baaa9ec1c6b4cf4686fa6a0

Download Submit
memory/3028-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3028-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3028-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3684-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3684-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3684-63-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3684-64-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-73-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-89-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-113-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-70-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-110-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-76-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-79-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-82-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-85-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/3732-67-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-92-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-95-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-98-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-101-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-104-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3732-107-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4936-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4936-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download