socks5systemz | 4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357

General

Target

4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe
Size

4.2MB
MD5

522c9cd1aef2a67f0abede20accec8f2
SHA1

ed2c850b7d68a3f9982b0b7c28e0ad17a11a7a97
SHA256

4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357
SHA512

e7bdf05073fa1c02cda90d30007cdfbbf580ca3bf36fb4cedf13571929fea3dae9f19d2edaed622cf9f725af496f746e819a50084b59324d80a5e49ea685a254
SSDEEP

98304:IH5qLmoqmydlOOcLlY9hr088srRepwVu1SoEa3:RaoVydlOOcLl0Q8zrRepws1SpO

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2604-105-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz
behavioral1/memory/2604-129-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz
behavioral1/memory/2604-128-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
2604	softartsvc.exe

Loads dropped DLL 5 IoCs

pid	Process
2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp

Unexpected DNS network traffic destination 3 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
Destination IP	152.89.198.214
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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	softartsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2248 wrote to memory of 2472	2248	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe	29
PID 2472 wrote to memory of 2604	2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp	30
PID 2472 wrote to memory of 2604	2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp	30
PID 2472 wrote to memory of 2604	2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp	30
PID 2472 wrote to memory of 2604	2472	4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp	30

C:\Users\Admin\AppData\Local\Temp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe
"C:\Users\Admin\AppData\Local\Temp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\is-JKM5V.tmp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-JKM5V.tmp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp" /SL5="$4014C,4111243,54272,C:\Users\Admin\AppData\Local\Temp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe
    "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2604

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe

Filesize
2.7MB

MD5
412d19bc62aaba785033e9f328319135

SHA1
5f8cc833c55e33bd3356e7943dbc73cdf5161e19

SHA256
b5a3394c9f289f2860521ab86d92f83cb545aa20af1d8e128912da017b5e46e1

SHA512
c0ba903d95592b7d1b9ce64fa35b11b98cd36221c19892523486e3530b41e3464eace96bdae7766e338969d6b1e4d27bac9b3529244e55b162d3af074291b8f1

Download Submit
\Users\Admin\AppData\Local\Temp\is-35CHU.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-35CHU.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JKM5V.tmp\4d723d67319936c52c38602dccfa40c1a1dff059f9f1ba84c4d041aea1852357.tmp

Filesize
689KB

MD5
6d0c2bc2bff4f7aba3e09fa58c2439b2

SHA1
0793aa92df5dd0f8780e0ba7ce56dc03e9ee736a

SHA256
315d03b6721fb892af4840831459c937733643c67c463a197f6ad0d7bf131b89

SHA512
643f04a92f3f7e10cb4812227a21d503a8c271858b37826413c6987ed9094eb1e40417e522a865135efd1795cc7b88b6624990590fa6859986d1548d01ace4c9

Download Submit
memory/2248-87-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2248-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2248-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2472-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2472-81-0x0000000003900000-0x0000000003BC0000-memory.dmp

Filesize
2.8MB

Download
memory/2472-114-0x0000000003900000-0x0000000003BC0000-memory.dmp

Filesize
2.8MB

Download
memory/2472-86-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2604-95-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-82-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-92-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-83-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-98-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-101-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-104-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-105-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2604-111-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-89-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-115-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-118-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-121-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-124-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-127-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-129-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2604-128-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2604-133-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2604-136-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download

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