socks5systemz | 04c039e7f0f7e9b17632e97ce2171f65948e8ee828d9e39e205a16a3322db79f

General

Target

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
Size

5.0MB
MD5

cbce10895aa435fa2807ee0253ca81bd
SHA1

88e74be5a02a4698d299a452b302068cbfc4aa4b
SHA256

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f
SHA512

1912f8d8770f1c5f9c946ca1a087f53d5e87d51dd6a934bbeda77af5b361c437cd1caa335e5d03759901ee0e02dc1d17a4acf1c1b09a18ac1aab02e132518927
SSDEEP

98304:mMySNAIcdttL9vzzPH9VbK48HxV1Z8iK9bm6cF/fx7B8t8Hay8jat:v/AImhvzrHPl8H1M9b6/VB8ST8jO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddrhici.info

http://ddrhici.info/search/?q=67e28dd86509f67a4206fe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8afe18c9ed91

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-92-0x00000000022A0000-0x0000000002342000-memory.dmp	family_socks5systemz

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

Processes:

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmpmoonvoiceassist32.exemoonvoiceassist32.exe

pid process

2216 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
2724 moonvoiceassist32.exe
2680 moonvoiceassist32.exe

pid	process
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
2724	moonvoiceassist32.exe
2680	moonvoiceassist32.exe

Loads dropped DLL 5 IoCs

Processes:

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp

pid	process
1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.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:

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp

pid process

2216 5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp

description	pid	process	target process
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 1932 wrote to memory of 2216	1932	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
PID 2216 wrote to memory of 2724	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2724	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2724	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2724	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2680	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2680	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2680	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe
PID 2216 wrote to memory of 2680	2216	5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp	moonvoiceassist32.exe

C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe
"C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932

C:\Users\Admin\AppData\Local\Temp\is-M6VOF.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-M6VOF.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp" /SL5="$400F4,4941426,54272,C:\Users\Admin\AppData\Local\Temp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2216

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i
3⤵
- Executes dropped EXE
PID:2724

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s
3⤵
- Executes dropped EXE
PID:2680

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

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Downloads

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
Filesize
3.2MB

MD5
b0f378e6e78681b2a6ddf83bc21337ef

SHA1
101bc5784b4930820e06ed3d684dc2dac0897fcc

SHA256
b95c8e5a05e89670291994da9d79ecd726791edf0f703619aa26dda91db553c8

SHA512
e9791d3bdeaa227cf828d13c258beada6af702a0a14f42b29c2c48862aa5033372724f28da27b69b50b5b1286115b914ce2a2fb894492f70a540b87c70638605

Download Submit
\Users\Admin\AppData\Local\Temp\is-GN774.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-GN774.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-M6VOF.tmp\5cbd43045b2e4418fb9f6a39aa5da0a5d5e1319b2bc3cc79b50eec9713fb434f.tmp
Filesize
680KB

MD5
b69bf30e5f252cfcf7d82c84f8374a82

SHA1
4730c8a8a06df84e640f6ebc2aaa6f1236405f04

SHA256
d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b

SHA512
278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a

Download Submit
memory/1932-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1932-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1932-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2216-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2216-64-0x00000000042B0000-0x00000000045E3000-memory.dmp

Filesize
3.2MB

Download
memory/2216-76-0x00000000042B0000-0x00000000045E3000-memory.dmp

Filesize
3.2MB

Download
memory/2216-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2680-92-0x00000000022A0000-0x0000000002342000-memory.dmp

Filesize
648KB

Download
memory/2680-91-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-120-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-75-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-117-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-79-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-82-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-85-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-88-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-71-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-113-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-98-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-101-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-104-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-107-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2680-110-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2724-65-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2724-66-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/2724-69-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads