socks5systemz | 66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 05:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe
Size

5.0MB
MD5

1c4169f5188cf760b1c07f223d357471
SHA1

185bf51cb81391e0a3cdaee0dbd3165233fdf0d1
SHA256

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a
SHA512

eece5d8ac3fc9f3e0c76227e0240031ef12992f53f1273dd1a1406b5b4fb9795c050d123b6b0f852427b20d3bed45a19117e952d804d0089f91d1b7ce61b25c4
SSDEEP

98304:Cj1rmYKRGqDafQ2In73qF4TVrYBq8WIM89AXsYmp3DBPJB77UCahog94FEG42Qxq:y9KoZYDn7A4ZUBvWIRrbB7nEgY2QQ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4732-86-0x0000000000880000-0x0000000000921000-memory.dmp	family_socks5systemz
behavioral1/memory/4732-109-0x0000000000880000-0x0000000000921000-memory.dmp	family_socks5systemz
behavioral1/memory/4732-110-0x0000000000880000-0x0000000000921000-memory.dmp	family_socks5systemz

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

Processes:

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmpvkfreeaudiosaver.exevkfreeaudiosaver.exe

pid process

2472 66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
4416 vkfreeaudiosaver.exe
4732 vkfreeaudiosaver.exe
Loads dropped DLL 1 IoCs

Processes:

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

pid process

2472 66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.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 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:

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

pid process

2472 66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

pid	process
2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
4416	vkfreeaudiosaver.exe
4732	vkfreeaudiosaver.exe

pid	process
2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp

description	pid	process	target process
PID 2224 wrote to memory of 2472	2224	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
PID 2224 wrote to memory of 2472	2224	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
PID 2224 wrote to memory of 2472	2224	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
PID 2472 wrote to memory of 4416	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe
PID 2472 wrote to memory of 4416	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe
PID 2472 wrote to memory of 4416	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe
PID 2472 wrote to memory of 4732	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe
PID 2472 wrote to memory of 4732	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe
PID 2472 wrote to memory of 4732	2472	66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp	vkfreeaudiosaver.exe

C:\Users\Admin\AppData\Local\Temp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe
"C:\Users\Admin\AppData\Local\Temp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2224

C:\Users\Admin\AppData\Local\Temp\is-RU6O6.tmp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RU6O6.tmp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp" /SL5="$80068,4971760,54272,C:\Users\Admin\AppData\Local\Temp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2472

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe" -i
3⤵
- Executes dropped EXE
PID:4416

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe" -s
3⤵
- Executes dropped EXE
PID:4732

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-ON77D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RU6O6.tmp\66f43dc87add360992d8d1b5e7e0d551b0db5018c6486467502adadc0487447a.tmp
Filesize
680KB

MD5
2aab30954592b5c136a73992d432941b

SHA1
09fed957547ed267657834881c4e0ae2a71cdc16

SHA256
c849f3903bfbdcdf6aefa4dc537e399c934042595cb62ff3def064e25d57eac0

SHA512
0a123b35357a46e1cfe007f4727736cc4fe27ef9441405e9e7f71973dc7ecbaeac08a47ec8ae2989745b21d9b8158fba9452d102335f773598b35aa9c3fa855b

Download Submit
C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
Filesize
3.3MB

MD5
263d477c1f28f9842ca749ce47f52964

SHA1
c20f858b73abace271297fad11262931427adc43

SHA256
1eb8e552019b5a443db472cdd191f4400914ffc5c3e7d2192d11da0fc7487fed

SHA512
e257a246ca7012de372a0c69bb48d9a93e9f668c9827c40c495ccb4135673eec616474023879b9fb210e06a37e9e9087faf70b0cebcac9171e99801e265a11c6

Download Submit
memory/2224-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2224-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2472-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2472-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4416-59-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4416-60-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4416-65-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4416-63-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-74-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-96-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-68-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-77-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-80-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-83-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-86-0x0000000000880000-0x0000000000921000-memory.dmp

Filesize
644KB

Download
memory/4732-90-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-93-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-71-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-99-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-102-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-105-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-108-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-109-0x0000000000880000-0x0000000000921000-memory.dmp

Filesize
644KB

Download
memory/4732-110-0x0000000000880000-0x0000000000921000-memory.dmp

Filesize
644KB

Download
memory/4732-114-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4732-117-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download