socks5systemz | 42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde

General

Target

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe
Size

4.4MB
MD5

5e5d549580bc8e425b3163522b7596a3
SHA1

8fc9a6ef9037abb75aa70c79db5461c9e8fc2900
SHA256

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde
SHA512

f06d8be12811437093b4b81aa7928a7d28998e0a156c61294d869c725448a84e828e7496faebc00450b8dda5612324fa8deba3870dbe1b97bbf6f9aad8f5a6b0
SSDEEP

98304:m/joxIwXnpMeeGoVAfOG48YHACwDQKGxL9d8Vx11aIHrMr:EcW4WeFoqfOG42sxhqVb1aEk

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1976-85-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/1976-111-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/1976-112-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz

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

Processes:

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmpcybersoundaudiodirector.execybersoundaudiodirector.exe

pid process

880 42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
1156 cybersoundaudiodirector.exe
1976 cybersoundaudiodirector.exe
Loads dropped DLL 1 IoCs

Processes:

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

pid process

880 42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.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 141.98.234.31
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:

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

pid process

880 42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

pid	process
880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
1156	cybersoundaudiodirector.exe
1976	cybersoundaudiodirector.exe

pid	process
880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp

description	pid	process	target process
PID 1100 wrote to memory of 880	1100	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
PID 1100 wrote to memory of 880	1100	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
PID 1100 wrote to memory of 880	1100	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
PID 880 wrote to memory of 1156	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe
PID 880 wrote to memory of 1156	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe
PID 880 wrote to memory of 1156	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe
PID 880 wrote to memory of 1976	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe
PID 880 wrote to memory of 1976	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe
PID 880 wrote to memory of 1976	880	42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp	cybersoundaudiodirector.exe

C:\Users\Admin\AppData\Local\Temp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe
"C:\Users\Admin\AppData\Local\Temp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\is-9LAV9.tmp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9LAV9.tmp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp" /SL5="$50100,4370720,54272,C:\Users\Admin\AppData\Local\Temp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:880

C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe
"C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe" -i
3⤵
- Executes dropped EXE
PID:1156

C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe
"C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe" -s
3⤵
- Executes dropped EXE
PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\CyberSound AudioDirector\cybersoundaudiodirector.exe
Filesize
2.3MB

MD5
d0d34956dbb14acaa294980b21c26b9c

SHA1
15db23a99a2d2ab14dc4149b3cd137f33f194c04

SHA256
29f8cd8bbade507643b88972206fbff4fe699bc9890ac361e1a61d6e386f9600

SHA512
d26ead2fa99638c40cd9c5af2a8fd8b19a0ca81b866ae83de0082bd1c992bc489b850cbe055d0ba1e61b2a8a64ae305dc44add018f023d626701cf674e514900

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9LAV9.tmp\42fbb33261e97342f83ac45b95d26c93430eede83d6ec22b869bf6985e2f2fde.tmp
Filesize
680KB

MD5
e7136fc19d2feace3639e0d599dcf39e

SHA1
ef90f498062c2e0b0518628e355453c6479306fb

SHA256
57469d0ce3eb392f3f6d287e8d4d584f8ebcb7dbbb21b3754d427b09c72d0baf

SHA512
effefe080924145d39b31aba04dbb3c71b50231ba01e00f7763cf1cbc5d74c2ee53806656e1a88231c88eabd4c4590b0dc5c96be56c69355f2d4b900962d14ba

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/880-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/880-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1100-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1100-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1100-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1156-59-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1156-64-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1156-65-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1156-60-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-74-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-95-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-68-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-75-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-78-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-81-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-84-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-85-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/1976-90-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-71-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-98-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-101-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-104-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-107-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-110-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-111-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/1976-112-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/1976-116-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download
memory/1976-119-0x0000000000400000-0x000000000065B000-memory.dmp

Filesize
2.4MB

Download

Analysis

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