socks5systemz | 36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421

General

Target

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe
Size

5.4MB
MD5

38656579af20ac7c8f1353cca3e79fff
SHA1

37446c312da9a12cc91a858c2abd8a97b4cb65d7
SHA256

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421
SHA512

91fb563bd566add63a223decbe26657d557c39688f0d4804bc0bfd41088ad7e8395808a222de7a095d450be1e0a3c288b68b9a2b2d8f17f4172379598a109091
SSDEEP

98304:QyhS3xxuvWIiuXc9HMDXyDo5My6mrmLlPG5dp0EkfYF0WM/ATH07oxvOXND:XhExwWIicc8yD87rmLlPGjWEkfYFmArC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4028-189-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz
behavioral2/memory/4028-215-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz
behavioral2/memory/4028-214-0x0000000000810000-0x00000000008B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmpsyncplayer.exe

pid	Process
2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp
4028	syncplayer.exe

Loads dropped DLL 1 IoCs

Processes:

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

pid	Process
2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.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

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

Processes:

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmpsyncplayer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

pid	Process
2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

description	pid	Process	procid_target
PID 4912 wrote to memory of 2088	4912	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe	84
PID 4912 wrote to memory of 2088	4912	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe	84
PID 4912 wrote to memory of 2088	4912	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe	84
PID 2088 wrote to memory of 4028	2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp	85
PID 2088 wrote to memory of 4028	2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp	85
PID 2088 wrote to memory of 4028	2088	36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp	85

C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe
"C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\is-3LMUC.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3LMUC.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp" /SL5="$A0032,5449439,54272,C:\Users\Admin\AppData\Local\Temp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4028

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

C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe

Filesize
2.9MB

MD5
e1d54fec982f78da5d6e3a74de4ca823

SHA1
a32cc677108167310ac21379d5740749d3bfd2d7

SHA256
22ad6a3848a6c7c47669f385799efa5614c4021a97cdfe31de3b6634ddc49941

SHA512
17cb9b6de0910b5a2623fcd5ccfdb6fd460cf8105435a293fe5c4cc08a2eec1e5cf969430d77ad54a51b0709bb19fe423f6d4aa9426205bc24daa868a491a376

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3LMUC.tmp\36cfc56b6edfdaf9d62949b676bf07f044386d3fb3af8373cff0b5cf344bf421.tmp

Filesize
688KB

MD5
f2557e43ca34eb20158cafef0f32097f

SHA1
8b8b839d89b7e5794eb8893c4ee3e6911c1d37e2

SHA256
b9a0c83b11fbded229efdced8fdf289384e1cef293740e6689d2aa4e9a2ae9f6

SHA512
9509c376afa57ea9a76e227d1e8eb908d367dfb48372b67747bcca77a75a99f79c8b59d26b793896d57e1d19ea9b4203ca580edba323c7fe4500b2f523875c62

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VIRDC.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2088-169-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2088-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4028-179-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-190-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-168-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-165-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-222-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-219-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-172-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-173-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-176-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-214-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/4028-182-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-185-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-189-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/4028-164-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-197-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-196-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-200-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-201-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-204-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-207-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-210-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-213-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4028-215-0x0000000000810000-0x00000000008B2000-memory.dmp

Filesize
648KB

Download
memory/4912-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4912-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4912-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads