socks5systemz | 2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d

General

Target

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe
Size

4.8MB
MD5

f932f45d6586f5b7643c0d23a0d03183
SHA1

d42f323c017e4332b58e1f8a309f271000af0cae
SHA256

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d
SHA512

849491f1edfe2f772ca5ee14b510401337e9fe21c89d60234c271492c62f0c75b28491c91038f24583cc80e84efe272ac5177133c29f82ca7229d82ff73d80ae
SSDEEP

98304:mWlruAtDxyTMUwPFbluZa+NpaDzR3io9+C3byDS/vwQLe:3lrwTCbYQjXRSoY6eqwf

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bmuprsi.com

gbeutrf.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2564-92-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz

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

Processes:

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

2056 2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
3004 moonvoiceassist32_64.exe
2564 moonvoiceassist32_64.exe

pid	process
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
3004	moonvoiceassist32_64.exe
2564	moonvoiceassist32_64.exe

Loads dropped DLL 5 IoCs

Processes:

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

pid	process
1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

Unexpected DNS network traffic destination 13 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	81.31.197.38
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	45.155.250.90
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:

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

pid process

2056 2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

pid	process
2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp

description	pid	process	target process
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 1704 wrote to memory of 2056	1704	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
PID 2056 wrote to memory of 3004	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 3004	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 3004	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 3004	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 2564	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 2564	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 2564	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe
PID 2056 wrote to memory of 2564	2056	2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe
"C:\Users\Admin\AppData\Local\Temp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Admin\AppData\Local\Temp\is-SVT55.tmp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SVT55.tmp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp" /SL5="$70122,4790050,54272,C:\Users\Admin\AppData\Local\Temp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2056

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:3004

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:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
Filesize
2.9MB

MD5
86ea6e51511969079700a6f23a24cac9

SHA1
184a762bfb1dc8b573d06d12bd96101a59a250bf

SHA256
9d159bc3fe13a1776931050f46d357c6473700906c97d34ed1717995396cb319

SHA512
bbfe4b492632361d2880e7efd56708491c82ea4ed05ed7bd1f6648166aa8122469ab6f6c0a2510e345266bc62d55d5a7c4940810c754e6d05d60dec80b477afa

Download Submit
\Users\Admin\AppData\Local\Temp\is-SGPT2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-SGPT2.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-SVT55.tmp\2ca3e7b899022ef1d41e3f6b6de78d4b63e3e5db81b8f00db085eaa05625804d.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
memory/1704-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1704-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2056-64-0x00000000042D0000-0x00000000045C6000-memory.dmp

Filesize
3.0MB

Download
memory/2056-76-0x00000000042D0000-0x00000000045C6000-memory.dmp

Filesize
3.0MB

Download
memory/2056-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2564-104-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-98-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-134-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-75-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-131-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-79-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-82-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-85-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-88-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-91-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-92-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/2564-71-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-101-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-128-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-107-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-110-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-113-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-116-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-119-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-122-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/2564-125-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/3004-65-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/3004-66-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download
memory/3004-69-0x0000000000400000-0x00000000006F6000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads