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

ckyooeb.net

http://ckyooeb.net/search/?q=67e28dd8685cf679160da41e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf713c8ed91

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2748-79-0x0000000002680000-0x0000000002722000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2852	infomedia.exe
2748	infomedia.exe

Loads dropped DLL 6 IoCs

pid	Process
2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
2856	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	2	91.211.247.248	2748	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	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infomedia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infomedia.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2808 wrote to memory of 2856	2808	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe	29
PID 2856 wrote to memory of 2852	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	30
PID 2856 wrote to memory of 2852	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	30
PID 2856 wrote to memory of 2852	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	30
PID 2856 wrote to memory of 2852	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	30
PID 2856 wrote to memory of 2748	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	31
PID 2856 wrote to memory of 2748	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	31
PID 2856 wrote to memory of 2748	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	31
PID 2856 wrote to memory of 2748	2856	b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp	31

C:\Users\Admin\AppData\Local\Temp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe
"C:\Users\Admin\AppData\Local\Temp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\is-G66QP.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G66QP.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp" /SL5="$400F6,4296680,54272,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:2856
- - 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:2852
- - 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:2748

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

Replay Monitor

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Downloads

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

Filesize
2.8MB

MD5
645265105d887da5ff0730372b12acec

SHA1
78a49eace1dceac50b4141801d85f79198ffc599

SHA256
14d5ad402d9ce03a315221a25e2b36478336dc0be3c01fa1bd6cd33323e785a4

SHA512
0135e32cc68e3410172246c7ca2c9db7eed88008505fcefe98a745a3609cfef45fa51f5857e7a876394fc17d7107e80e8c71d60af6a1507b82cf0df85aadee99

Download Submit
\Users\Admin\AppData\Local\Temp\is-G66QP.tmp\b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7.tmp

Filesize
680KB

MD5
a8fa09b2a3abe18d8920164c486ef331

SHA1
e27944cd74d1ad2b23d5dddf4644e1a3dda4c82c

SHA256
c673576958e73def146739a94f9e79d5ec1e2a2a55f907562344433b2771e1db

SHA512
85460136c0dfdec9c75cb6d08562f00991702d083e8eedd3e5cba753917c0114718bcb73267b86923a3270b505368977125dfd5f55a204094262c0a30c8979f0

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q9F5B.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q9F5B.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q9F5B.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2748-92-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-70-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-122-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-117-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-114-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-111-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-108-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-105-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-55-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-102-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-98-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-60-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-61-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-64-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-67-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-95-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-73-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-76-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-79-0x0000000002680000-0x0000000002722000-memory.dmp

Filesize
648KB

Download
memory/2748-83-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-86-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2748-89-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2808-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2808-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2808-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2852-52-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2852-49-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2852-48-0x0000000000400000-0x00000000006DA000-memory.dmp

Filesize
2.9MB

Download
memory/2856-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2856-58-0x00000000039E0000-0x0000000003CBA000-memory.dmp

Filesize
2.9MB

Download
memory/2856-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2856-46-0x00000000039E0000-0x0000000003CBA000-memory.dmp

Filesize
2.9MB

Download

Analysis

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