socks5systemz | 9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 01:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe
Size

5.1MB
MD5

5cdc0a84809810763a5333fee557d86c
SHA1

fa49069e2c5180b5c9d893279d138ea9953cf3f7
SHA256

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36
SHA512

a9b703f84d5aee539807f14ff26599885c572bf21d7b2eb94ec9388e72cde3c11feb1fb14dba87cb30080291c4ce1ad365c0a480590b6f5108d86c42ca52f8e7
SSDEEP

98304:ChqLc30Xjll78254pmiulHjCY1TpTX8WKJjzMrPrkQxcMv:NO0Xj14pmZTh8nJjYrjkQW8

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

bevijyg.com

http://bevijyg.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff614c3e6929d3a

http://bevijyg.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ef9c814e855a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c9f38c4689117

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4052-86-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz
behavioral1/memory/4052-110-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz
behavioral1/memory/4052-111-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz

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

Processes:

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmpwavmp3splitter32.exewavmp3splitter32.exe

pid process

5408 9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
5380 wavmp3splitter32.exe
4052 wavmp3splitter32.exe
Loads dropped DLL 1 IoCs

Processes:

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

pid process

5408 9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.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 152.89.198.214
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:

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

pid process

5408 9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

pid	process
5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
5380	wavmp3splitter32.exe
4052	wavmp3splitter32.exe

pid	process
5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp

description	pid	process	target process
PID 4060 wrote to memory of 5408	4060	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
PID 4060 wrote to memory of 5408	4060	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
PID 4060 wrote to memory of 5408	4060	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
PID 5408 wrote to memory of 5380	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe
PID 5408 wrote to memory of 5380	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe
PID 5408 wrote to memory of 5380	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe
PID 5408 wrote to memory of 4052	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe
PID 5408 wrote to memory of 4052	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe
PID 5408 wrote to memory of 4052	5408	9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp	wavmp3splitter32.exe

C:\Users\Admin\AppData\Local\Temp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe
"C:\Users\Admin\AppData\Local\Temp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Users\Admin\AppData\Local\Temp\is-IHL8I.tmp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
"C:\Users\Admin\AppData\Local\Temp\is-IHL8I.tmp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp" /SL5="$A0052,5048436,54272,C:\Users\Admin\AppData\Local\Temp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5408

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -i
3⤵
- Executes dropped EXE
PID:5380

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -s
3⤵
- Executes dropped EXE
PID:4052

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
Filesize
3.5MB

MD5
8c14d251a552fa06a29c5c20be91c999

SHA1
9a8248cd6db93309024cf429b7a36fdad8821108

SHA256
b7200d17c69733114c802c9c468429075e9c149ba7e71c5e37f9e604c0ffb9ce

SHA512
1e0e38efe2dcedeffda9eb4804d45d88aa9b1b15610ba71372cca0e761f55a0d40d605966ebc22eace8627d772625b12bd67b3c0ba2ea059163f347c3f56b47a

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IHL8I.tmp\9272ae628b9bced0b91ac3dc75dbbf597e0460fde8c3fbb154f9d50af7856f36.tmp
Filesize
680KB

MD5
59177ea3e8147d91b694e9949c60d194

SHA1
5c8cfd3fcccd7be056c7c0e2e4fc063c38dc14bd

SHA256
9687ab4b33b1a083194713be5a0f872ebb949773b832a20063a507073859e28c

SHA512
a235dab7d5dc6652f5f8256c1e2c19aef2f583ead02a920ee17658eeb64e8a9620767594d7e4b6ca4aa030643821133c1a18823c55ea769d3221383927ea8a08

Download Submit
memory/4052-97-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-80-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-118-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-115-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-111-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/4052-110-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/4052-109-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-68-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-106-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-103-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-71-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-74-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-77-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-100-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-83-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-86-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/4052-89-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4052-94-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/4060-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4060-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4060-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5380-63-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/5380-65-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/5380-60-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/5380-59-0x0000000000400000-0x0000000000780000-memory.dmp

Filesize
3.5MB

Download
memory/5408-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5408-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download