socks5systemz | 444b1c36d00ff24613da66f8665c1a0f66730ed4562fa128f493d8edf4a7fc44

General

Target

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe
Size

4.8MB
MD5

7d784b92dfbb63809de8072978d2d6ee
SHA1

9e8a96001d0adfdd95408fae907e29ee13e999b7
SHA256

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e
SHA512

6f3839315782b14d001aa990063e136e5af335da0087d275e94675ede860c22264972dcc84bba92a6baad8ed44cd238f76b60ff3333c608d0526857736dfc73f
SSDEEP

98304:mtEgasZWtVD1SHzM0GWI7uVtyUeAVOl/2w0UFq3WbhTNVVOMLjne:kEgZgXETMJWWuVC/VTQ36NG6K

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebxlhkl.ua

http://ebxlhkl.ua/search/?q=67e28dd86509f67a4206fe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8afe14c3e692

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2404-92-0x00000000022B0000-0x0000000002352000-memory.dmp	family_socks5systemz

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

Processes:

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

1672 6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
2640 moonvoiceassist32_64.exe
2404 moonvoiceassist32_64.exe

pid	process
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
2640	moonvoiceassist32_64.exe
2404	moonvoiceassist32_64.exe

Loads dropped DLL 5 IoCs

Processes:

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp

pid	process
2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.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:

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp

pid process

1672 6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp

description	pid	process	target process
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 2560 wrote to memory of 1672	2560	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
PID 1672 wrote to memory of 2640	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2640	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2640	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2640	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2404	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2404	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2404	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe
PID 1672 wrote to memory of 2404	1672	6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe
"C:\Users\Admin\AppData\Local\Temp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2560

C:\Users\Admin\AppData\Local\Temp\is-LL848.tmp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LL848.tmp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp" /SL5="$400F0,4793562,54272,C:\Users\Admin\AppData\Local\Temp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1672

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:2640

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:2404

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

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

MD5
e41be44025932c9531927c4a567c6ae3

SHA1
9737c2ed269acf17a638b2d0a9ce7449339809e7

SHA256
a912528952e963166a50b8c214e54e6818bbc7d55edf148b399db94378c39dcb

SHA512
bc5ec6ad663434eb2a3bc47154177518353848c2280cb1807e28ee57bf0d2979dc1e199408a568a3f84bfacb11e1461ca6057c0038d8b306418df4d4fbf6dfca

Download Submit
\Users\Admin\AppData\Local\Temp\is-LL848.tmp\6072851f5bb88b54feef9c7aae9a016cfebe3ec37a794791960e6bac46c2c71e.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
\Users\Admin\AppData\Local\Temp\is-O6HKT.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-O6HKT.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1672-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1672-79-0x00000000032C0000-0x00000000035AF000-memory.dmp

Filesize
2.9MB

Download
memory/1672-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1672-64-0x00000000032C0000-0x00000000035AF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-75-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-104-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-120-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-71-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-117-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-113-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-110-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-78-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-107-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-82-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-85-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-88-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-91-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-92-0x00000000022B0000-0x0000000002352000-memory.dmp

Filesize
648KB

Download
memory/2404-98-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2404-101-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2560-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2560-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2560-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2640-66-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2640-65-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2640-69-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads