socks5systemz | 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140

General

Target

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Size

4.9MB
MD5

c917d38908a1d866f74b8a8f8b099bfa
SHA1

49ad7582a96557b6c496a1e2721fb34a72d153f2
SHA256

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140
SHA512

dd15de162fe2fb3bdd079eb2560180f0cee8b1b9a660fb0c8827f1333f4631c2e4c342b82d81ab42c60912b07cf5654ca35d1592037947798a9e0ab71e2a9f60
SSDEEP

98304:mNlDtDC9uawhTVtGyqQjhcXrrJfYeWJDNgCvoYvX5dx6h3YKnhtK4Hbse:clDtDDT2yq0mrrJwee0YvXfxClnhtjp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aqbdisu.ru

http://aqbdisu.ru/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef9d983b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4156-83-0x0000000000800000-0x00000000008A2000-memory.dmp	family_socks5systemz

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

Processes:

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

4908 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
352 moonvoiceassist32_64.exe
4156 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

pid process

4908 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.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:

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

pid process

4908 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

pid	process
4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
352	moonvoiceassist32_64.exe
4156	moonvoiceassist32_64.exe

pid	process
4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

description	pid	process	target process
PID 2660 wrote to memory of 4908	2660	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
PID 2660 wrote to memory of 4908	2660	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
PID 2660 wrote to memory of 4908	2660	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
PID 4908 wrote to memory of 352	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe
PID 4908 wrote to memory of 352	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe
PID 4908 wrote to memory of 352	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe
PID 4908 wrote to memory of 4156	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe
PID 4908 wrote to memory of 4156	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe
PID 4908 wrote to memory of 4156	4908	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
"C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2660

C:\Users\Admin\AppData\Local\Temp\is-ARJH2.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
"C:\Users\Admin\AppData\Local\Temp\is-ARJH2.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp" /SL5="$60202,4836535,54272,C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4908

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i
3⤵
- Executes dropped EXE
PID:352

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4156

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

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Downloads

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
Filesize
3.0MB

MD5
0e0e8f9a6f0d23b831c5ff76d0c7a15e

SHA1
f53aa118c444f3da2f17f83748d22f6457702812

SHA256
462f692b554343ad0b9f3a8af3f00588bbcf2fd94ae49bce8ed1dc74d9c4bf3d

SHA512
370eddc63a77e1b448ee9dded76a7221d30746f3245fbabc8cd80e0d524c822c3d8925872ba2797f77bb09f3b7e61d00076f64a44b603dfcfdfe3f36e3a5f2db

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ARJH2.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
\Users\Admin\AppData\Local\Temp\is-5OJNQ.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/352-59-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/352-60-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/352-63-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/2660-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4156-77-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-96-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-68-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-71-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-74-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-129-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-80-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-83-0x0000000000800000-0x00000000008A2000-memory.dmp

Filesize
648KB

Download
memory/4156-85-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-90-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-93-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-124-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-99-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-102-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-105-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-109-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-112-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-115-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-118-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4156-121-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/4908-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4908-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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