socks5systemz | 1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4

General

Target

1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe
Size

2.8MB
MD5

0220fe1c24e63daef87677ac96f3cda4
SHA1

111d5be8256edb40f29e0f20891eeeb61950d0e0
SHA256

1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4
SHA512

7113a5d8d8c7078c2984aebdd31f91501ed2ec48cc61f826122f5a46ca6229b970f1a212220b515a5a8b8ed33f57661bcf082f12fd3625476a10e1eae1e6f9d5
SSDEEP

49152:C9vNtnGKJGPphHOlrEBQWyjcPu0zCNyMJNdbZOEtG+t9wnOi+gAq/S80KfWWC:MvNJJYQrCyg8ou5ZOEt9wnF+gPnrE

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2716-65-0x0000000002D10000-0x0000000002DB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
2716	videoconverterbeta32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.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

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	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videoconverterbeta32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 2184 wrote to memory of 624	2184	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe	28
PID 624 wrote to memory of 2716	624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp	29
PID 624 wrote to memory of 2716	624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp	29
PID 624 wrote to memory of 2716	624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp	29
PID 624 wrote to memory of 2716	624	1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp	29

C:\Users\Admin\AppData\Local\Temp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe
"C:\Users\Admin\AppData\Local\Temp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\is-UC1VM.tmp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UC1VM.tmp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp" /SL5="$5014E,2715196,56832,C:\Users\Admin\AppData\Local\Temp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.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:624
- - C:\Users\Admin\AppData\Local\Video Converter Beta\videoconverterbeta32_64.exe
    "C:\Users\Admin\AppData\Local\Video Converter Beta\videoconverterbeta32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2716

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\Temp\is-7U9A4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-7U9A4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-UC1VM.tmp\1df9006f8c16741452fa14b65c6cbf6f130d1e3d60c79c2e76382e387957a2f4.tmp

Filesize
690KB

MD5
9fa7c77d7998960ace3a64b3faf11fd5

SHA1
3a5523f6f1b9984e7601fb6f4168541dd2c079d4

SHA256
49db4434079f6803b6058e373fb66e85bcd8234220572a0902fb8f4f83105ce8

SHA512
ba668d546567f2304a7409c177576ab91b2834c4fc261a50674e3b061a3218d9cb36505282d2e920f756c1369b8cef63c443f0f6b4c6cd1d94088e8bd0aa6628

Download Submit
\Users\Admin\AppData\Local\Video Converter Beta\videoconverterbeta32_64.exe

Filesize
2.8MB

MD5
63489b01a0305b18fdd6eb52a173f1b4

SHA1
c00854447e572fa9ea3e600b0a20ed5325a2bde8

SHA256
d5bc14672fff5733fccb4bf9708e43fbd4ad8f78efac656bf224fc4466fda132

SHA512
533ba232b36db57f9960137e0409a13eb5bc3cbcc7c2249451d3ab6d1de096c37d53e83c132840dbccc9264861928abd5484cd3d471130092c215b44163c4242

Download Submit
memory/624-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/624-38-0x0000000004EE0000-0x00000000051A5000-memory.dmp

Filesize
2.8MB

Download
memory/624-41-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/624-47-0x0000000004EE0000-0x00000000051A5000-memory.dmp

Filesize
2.8MB

Download
memory/2184-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2184-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2184-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2716-55-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-74-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-48-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-49-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-52-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-40-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-58-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-61-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-64-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-65-0x0000000002D10000-0x0000000002DB2000-memory.dmp

Filesize
648KB

Download
memory/2716-71-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-42-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-77-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-80-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-83-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-86-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-90-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-93-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-96-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-99-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-102-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-105-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-110-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download
memory/2716-113-0x0000000000400000-0x00000000006C5000-memory.dmp

Filesize
2.8MB

Download

Analysis

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