socks5systemz | b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7

General

Target

b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
Size

4.4MB
MD5

eb12d8d794cf494a7c77e1b82f4305f7
SHA1

99e544894151cee23226915df78bed998ea9eb5b
SHA256

b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7
SHA512

cdc19cd890a27313eb0d287a519b4e11c2557a03da5a7b3c12a8c7fab9a21ee237b1e0051a4a68e1e771c769247d204bf325ad42c8bf2f95f446881fe11b7a92
SSDEEP

98304:C/cRIqQbhWAli4o8qc/Ufy/F8xlz/FS7WyXtvSe0tpQxU:WlUAly8Yy/GTk7WQ+

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddxderi.info

http://ddxderi.info/search/?q=67e28dd86b5bf57d470baa197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c8ed9d9b39

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4616-75-0x00000000007E0000-0x0000000000882000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
1392	infomedia.exe
4616	infomedia.exe

Loads dropped DLL 3 IoCs

pid	Process
2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.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	flow	ioc	pid	Process
Destination IP	43	141.98.234.31	4616	infomedia.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	infomedia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infomedia.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 2304	4172	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	85
PID 4172 wrote to memory of 2304	4172	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	85
PID 4172 wrote to memory of 2304	4172	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	85
PID 2304 wrote to memory of 1392	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	89
PID 2304 wrote to memory of 1392	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	89
PID 2304 wrote to memory of 1392	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	89
PID 2304 wrote to memory of 4616	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	90
PID 2304 wrote to memory of 4616	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	90
PID 2304 wrote to memory of 4616	2304	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	90

C:\Users\Admin\AppData\Local\Temp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
"C:\Users\Admin\AppData\Local\Temp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Local\Temp\is-VBLEO.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VBLEO.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp" /SL5="$70274,4296680,54272,C:\Users\Admin\AppData\Local\Temp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe
    "C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1392
- - C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe
    "C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:4616

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe

Filesize
2.8MB

MD5
645265105d887da5ff0730372b12acec

SHA1
78a49eace1dceac50b4141801d85f79198ffc599

SHA256
14d5ad402d9ce03a315221a25e2b36478336dc0be3c01fa1bd6cd33323e785a4

SHA512
0135e32cc68e3410172246c7ca2c9db7eed88008505fcefe98a745a3609cfef45fa51f5857e7a876394fc17d7107e80e8c71d60af6a1507b82cf0df85aadee99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B6LPO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B6LPO.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VBLEO.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp

Filesize
680KB

MD5
a8fa09b2a3abe18d8920164c486ef331

SHA1
e27944cd74d1ad2b23d5dddf4644e1a3dda4c82c

SHA256
c673576958e73def146739a94f9e79d5ec1e2a2a55f907562344433b2771e1db

SHA512
85460136c0dfdec9c75cb6d08562f00991702d083e8eedd3e5cba753917c0114718bcb73267b86923a3270b505368977125dfd5f55a204094262c0a30c8979f0

Download Submit
memory/1392-49-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/1392-45-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/1392-46-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/1392-50-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2304-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2304-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4172-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4172-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4172-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4616-65-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-82-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-59-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-58-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-62-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-53-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-68-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-71-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-74-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-75-0x00000000007E0000-0x0000000000882000-memory.dmp

Filesize
648KB

Download
memory/4616-81-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-57-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-85-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-88-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-91-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-94-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-97-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-101-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-104-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-107-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-110-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-113-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-116-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/4616-121-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download

Analysis

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