socks5systemz | 3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47

General

Target

3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe
Size

5.1MB
MD5

61901c95218ccd4a6a83971bf43314ce
SHA1

fdd2282bd3c519dc348d0f42a34ad436ea0146ca
SHA256

3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47
SHA512

edf0406ec456a76e351be9d68cac4f48735ee5739aaecff58e8ca2461e197ff82c515a4ddb4f3b4b409cc89ce541c0e21ccb7ecbb75a41411b16b58df30aa82b
SSDEEP

98304:mvxSpkMGvHOGBLub0Qzg8iZgZM/QyB3gynWSGtY7JscrwzjwTZa1fUfTG:6Q2x1ibta6ZM9HWSNicUQ4J

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://aahehyf.ru/search/?q=67e28dd83f54f37a445aab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffa16c9ef949d3f

http://aahehyf.ru/search/?q=67e28dd83f54f37a445aab4e7c27d78406abdd88be4b12eab517aa5c96bd86ec96834f885a8bbc896c58e713bc90c91e36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee909d32cd6e9112

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2524-93-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz
behavioral2/memory/2524-117-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz
behavioral2/memory/2524-118-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp
4464	victoriapigments.exe
2524	victoriapigments.exe

Loads dropped DLL 3 IoCs

pid	Process
1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp
1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp
1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp

Unexpected DNS network traffic destination 1 IoCs

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

description	ioc
Destination IP	91.211.247.248

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 WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1400	3716	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe	77
PID 3716 wrote to memory of 1400	3716	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe	77
PID 3716 wrote to memory of 1400	3716	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe	77
PID 1400 wrote to memory of 4464	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	78
PID 1400 wrote to memory of 4464	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	78
PID 1400 wrote to memory of 4464	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	78
PID 1400 wrote to memory of 2524	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	79
PID 1400 wrote to memory of 2524	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	79
PID 1400 wrote to memory of 2524	1400	3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp	79

C:\Users\Admin\AppData\Local\Temp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe
"C:\Users\Admin\AppData\Local\Temp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Users\Admin\AppData\Local\Temp\is-AUD56.tmp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-AUD56.tmp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp" /SL5="$40204,5048060,54272,C:\Users\Admin\AppData\Local\Temp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4464
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2524

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-8J9KK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8J9KK.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-AUD56.tmp\3d0a1a1c7078e741d017d2888a8478637f3b9dcb2186f6ac4ddb74aaf532ed47.tmp

Filesize
677KB

MD5
2c3c8ab8ea33f7877dcfa4c0b3d5202c

SHA1
99c6b63a56f902f6236ff618af5090f62d0e2d7d

SHA256
25a5cd6a58a140d6f84fc122d0264053cddf8cd1d9f8235b521c2eecf8b17a32

SHA512
cd98a80f523b6950f0be5a7d5e39193fed3b53d62da5f5b0bb0fb3a96dd441a86698b80aa39815f687a3d9d1a70912391de7d7754764af669a193cd0f0745295

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe

Filesize
2.2MB

MD5
17621d9110d1d6ba27d066055912c682

SHA1
6b2405ea1ce42f36b7d3992059cc6254cda4aa24

SHA256
d0db6baf297f3ee94385f4508092870ed7d022ea2f3891ceb72de268015b2cc5

SHA512
2b3f95eff7426ba4e8e1cc5b92c144b915e4ea5ada3a1c559af792a5827b7e55fff30a8aa2c523bb72412b5232ee59374feb6084e95c1d9dead8ba9f5e392906

Download Submit
memory/1400-77-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1400-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2524-107-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-113-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-75-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-125-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-122-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-118-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2524-117-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2524-116-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-78-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-81-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-84-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-87-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-90-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-93-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2524-96-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-101-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-104-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/2524-110-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/3716-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3716-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3716-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4464-71-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/4464-66-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/4464-65-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/4464-69-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download

Analysis

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