socks5systemz | c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 22:41

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General

Target

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe
Size

5.0MB
MD5

427902ecbfe4d1978d27c036cea34d44
SHA1

af902f6c7f2cea5a8f73d021c5e4ea10cd3b2f1e
SHA256

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869
SHA512

b218195a78beebff7842048b1afbda4999dc68124c356d1b3744ac4ff97337f30297227729b6f7b972ceeddc652606ae1f020a74a62e458ca252229fdf9b24f5
SSDEEP

98304:CT8L12UUXTqUwvIGLjjdfSyVFwU1PFEhTDnpgNLRzHbAJF3Ir+ydzKiQx9W:FBcC5HHwUJFATj2NFzHu3IXzKiQa

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2788-88-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz
behavioral2/memory/2788-112-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz
behavioral2/memory/2788-113-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz

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

Processes:

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmpvkfreeaudiosaver32_64.exevkfreeaudiosaver32_64.exe

pid process

4988 c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
952 vkfreeaudiosaver32_64.exe
2788 vkfreeaudiosaver32_64.exe
Loads dropped DLL 1 IoCs

Processes:

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

pid process

4988 c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.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:

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

pid process

4988 c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

pid	process
4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
952	vkfreeaudiosaver32_64.exe
2788	vkfreeaudiosaver32_64.exe

pid	process
4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exec68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp

description	pid	process	target process
PID 2004 wrote to memory of 4988	2004	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
PID 2004 wrote to memory of 4988	2004	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
PID 2004 wrote to memory of 4988	2004	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
PID 4988 wrote to memory of 952	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe
PID 4988 wrote to memory of 952	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe
PID 4988 wrote to memory of 952	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe
PID 4988 wrote to memory of 2788	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe
PID 4988 wrote to memory of 2788	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe
PID 4988 wrote to memory of 2788	4988	c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp	vkfreeaudiosaver32_64.exe

C:\Users\Admin\AppData\Local\Temp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe
"C:\Users\Admin\AppData\Local\Temp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2004

C:\Users\Admin\AppData\Local\Temp\is-DEL7F.tmp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
"C:\Users\Admin\AppData\Local\Temp\is-DEL7F.tmp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp" /SL5="$60064,4962592,54272,C:\Users\Admin\AppData\Local\Temp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4988

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:952

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:2788

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-DEL7F.tmp\c68227df484048626acf5f9d95eabc65470ca7353dbd91d719c801c8b847d869.tmp
Filesize
680KB

MD5
70295416713c0ce535665d806e3d54ac

SHA1
fe13c334ec67412f41fe190f93da7d45a57eccbd

SHA256
958c5f807a8268b09828e0f02a6c75a92f3a87dbd1853eb62e5996db990ba2ba

SHA512
2336597fb6ffe697ba62cd931479108556fee44319176989f961ae43aea62b111df6870a169202c6d960aface42779a2f82db48a69fe2072b711a512812f925c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q19AL.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5
46433350d873f84d0f386a15d2a96603

SHA1
ec4148b4bda0421f4df602cd9007c7dc6e77ceea

SHA256
ac65fbb1c9af27210cbb7f1dc75d5389c918af28c3a18a0fff3a3011512ed97a

SHA512
9aaa4887b23ff6ce5fd48747db233c0604462ef571437939901a7f44c16b75a99d593ff5ca421a82e9f7c5fedc9f04dfd972db9c6a955d3493fbb4c355313ba1

Download Submit
memory/952-59-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/952-64-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/952-65-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/952-60-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2004-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2004-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2004-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-76-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-108-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-67-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-120-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-72-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-75-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-117-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-79-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-82-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-85-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-88-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/2788-90-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-96-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-99-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-102-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-105-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-69-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-111-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2788-112-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/2788-113-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/4988-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4988-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download