socks5systemz | e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e

General

Target

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe
Size

4.4MB
MD5

a6c7ed231eba22868b55c0bd1247ba25
SHA1

ac6551da968224107cefc865cd4f8e30a6a48f24
SHA256

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e
SHA512

3338998337918e47490a59c84a8d91a60b9a846d5771460135831ea664be62d3c4108c0e095a26908b2a184b36c6b8f7c40259759bbbe429ca8364a5fcd34344
SSDEEP

98304:mtaP1WCHFSWoF3kGTW5Gj7TZWBSowFOExrqMxdjkjVLmUf9Bu6zeoaAn:MaP1hFL63ZxQUoeOExWajmVLmU1BReo3

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beywbnd.com

http://beywbnd.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c8ee929a32

http://beywbnd.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef95814d865a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d33cc68961f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3616-85-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz
behavioral1/memory/3616-108-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz
behavioral1/memory/3616-109-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz

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

Processes:

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmpaudialstunebite.exeaudialstunebite.exe

pid process

1256 e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
1588 audialstunebite.exe
3616 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

pid process

1256 e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.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:

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

pid process

1256 e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

pid	process
1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
1588	audialstunebite.exe
3616	audialstunebite.exe

pid	process
1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exee234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp

description	pid	process	target process
PID 4524 wrote to memory of 1256	4524	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
PID 4524 wrote to memory of 1256	4524	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
PID 4524 wrote to memory of 1256	4524	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
PID 1256 wrote to memory of 1588	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe
PID 1256 wrote to memory of 1588	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe
PID 1256 wrote to memory of 1588	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe
PID 1256 wrote to memory of 3616	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe
PID 1256 wrote to memory of 3616	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe
PID 1256 wrote to memory of 3616	1256	e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe
"C:\Users\Admin\AppData\Local\Temp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4524

C:\Users\Admin\AppData\Local\Temp\is-3HNP1.tmp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-3HNP1.tmp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp" /SL5="$801C4,4394532,54272,C:\Users\Admin\AppData\Local\Temp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:1588

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:3616

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\Audials Tunebite\audialstunebite.exe
Filesize
2.4MB

MD5
5736342c0c96f191d389ad0c0695b3f2

SHA1
67ac90e2c642ff98a66592ed780be606d8edd0d0

SHA256
82378046f59dd78c0596928be57d0935464b6aeede94484733a2aa41fdad95f0

SHA512
a1b9784c662f4e0462367dbf394367075dd55aa63478360a47d78f24b3f7609c80274c715102d9ad129b1965b2aad5dff4a3c8b6c1384f519e32048c597aa097

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3HNP1.tmp\e234f73080173d8537aa80913dea9182813a4eab2dc383ebec08103063f8055e.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VAK01.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1256-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1256-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1588-64-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/1588-59-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/1588-61-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/1588-62-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-73-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-92-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-116-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-113-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-70-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-109-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/3616-76-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-79-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-82-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-85-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/3616-87-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-67-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-95-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-98-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-101-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-104-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-107-0x0000000000400000-0x000000000065F000-memory.dmp

Filesize
2.4MB

Download
memory/3616-108-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/4524-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4524-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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