socks5systemz | b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60

General

Target

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe
Size

4.6MB
MD5

6c26c3ca8d2dc835083fb966e85acfc0
SHA1

f3fccacfd27b10d58d1d5663733a2c7b450ece3d
SHA256

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60
SHA512

3815975fb3936332d6c0b1d53c247d04ec043bcf02376f2f5b36006704906f809211c85138ff7e4ebd802a6b0762bc8902b32f912029d2aa4b3a0a140ab8b0bf
SSDEEP

98304:mTv3E3Ivuep2xI3C4/2rtNLnernXYGXCqHuTTl+FT+iLtB8qYiRHSX:aEjmoN8XYGXCRTTlITJxBL/RyX

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bhykiuy.com

http://bhykiuy.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c2e697923f

http://bhykiuy.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86e992844f835a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d39c46d9e12

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4288-84-0x0000000002960000-0x0000000002A02000-memory.dmp	family_socks5systemz
behavioral2/memory/4288-110-0x0000000002960000-0x0000000002A02000-memory.dmp	family_socks5systemz
behavioral2/memory/4288-109-0x0000000002960000-0x0000000002A02000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

2180 b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
2956 playercloudfree32.exe
4288 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

pid process

2180 b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

pid process

2180 b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

pid	process
2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
2956	playercloudfree32.exe
4288	playercloudfree32.exe

pid	process
2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exeb243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp

description	pid	process	target process
PID 4472 wrote to memory of 2180	4472	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
PID 4472 wrote to memory of 2180	4472	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
PID 4472 wrote to memory of 2180	4472	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
PID 2180 wrote to memory of 2956	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe
PID 2180 wrote to memory of 2956	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe
PID 2180 wrote to memory of 2956	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe
PID 2180 wrote to memory of 4288	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe
PID 2180 wrote to memory of 4288	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe
PID 2180 wrote to memory of 4288	2180	b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe
"C:\Users\Admin\AppData\Local\Temp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4472

C:\Users\Admin\AppData\Local\Temp\is-QIPQM.tmp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QIPQM.tmp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp" /SL5="$4021A,4597095,54272,C:\Users\Admin\AppData\Local\Temp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2180

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:2956

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:4288

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.8MB

MD5
ec4489e9274418c568d3b47a66358e79

SHA1
7b046c0e9eb1cfc9cabf32a58e4033b79ef369f2

SHA256
03456ff594e6caf57264269034a464dd2fccf74f0aa33026dcc6dc64b1b21cf2

SHA512
a7052129eb720e4e9d208324cfbcca58f2c557240749cc2a6bf8db1e055755c9f635dccc6a545f4fce108907403798e8d70c2df4f147bfd7f3a9f9ee7fa158ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-659LK.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QIPQM.tmp\b243436e556499da36d65a52d4e698936fb1ee6e72a424c56f150a2f94e41b60.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
memory/2180-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2180-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2956-64-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/2956-59-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/2956-61-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/2956-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4288-74-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-93-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-117-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-114-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-71-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-109-0x0000000002960000-0x0000000002A02000-memory.dmp

Filesize
648KB

Download
memory/4288-77-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-80-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-83-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-84-0x0000000002960000-0x0000000002A02000-memory.dmp

Filesize
648KB

Download
memory/4288-88-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-68-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-96-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-99-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-102-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-105-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-108-0x0000000000400000-0x00000000006D0000-memory.dmp

Filesize
2.8MB

Download
memory/4288-110-0x0000000002960000-0x0000000002A02000-memory.dmp

Filesize
648KB

Download
memory/4472-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4472-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4472-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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