socks5systemz | a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d

General

Target

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe
Size

4.8MB
MD5

c5160cb1a917f846b13fd82958cabf07
SHA1

4bd5e4faecdb8cd020a8b3d37f3c566075cd2de4
SHA256

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d
SHA512

ec980f977b0ff25e59e9668a98df7f399f948cdcd71455353534eecc78021e8d95de1008a95bd26d4ad64e0bb8aa1b92f8f7c18ddaf2fa29369e47ea274da5ee
SSDEEP

98304:mt6DDhBxMG1P2zkOLm0N8kJbKCl3GYwtoprt4KMnSeBe69uW7ydozlKcFbXsk:8I9Bue2Ttb5putopCKMG69PDzh8k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dtiyxoh.info

http://dtiyxoh.info/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb909e3e

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3768-85-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

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

Processes:

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

3808 a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
2040 audialstunebite32_64.exe
3768 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

pid process

3808 a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.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:

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

pid process

3808 a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

pid	process
3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
2040	audialstunebite32_64.exe
3768	audialstunebite32_64.exe

pid	process
3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exea1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

description	pid	process	target process
PID 1768 wrote to memory of 3808	1768	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
PID 1768 wrote to memory of 3808	1768	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
PID 1768 wrote to memory of 3808	1768	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
PID 3808 wrote to memory of 2040	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe
PID 3808 wrote to memory of 2040	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe
PID 3808 wrote to memory of 2040	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe
PID 3808 wrote to memory of 3768	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe
PID 3808 wrote to memory of 3768	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe
PID 3808 wrote to memory of 3768	3808	a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe
"C:\Users\Admin\AppData\Local\Temp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\is-684R9.tmp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-684R9.tmp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp" /SL5="$70086,4821734,54272,C:\Users\Admin\AppData\Local\Temp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3808

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2040

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3768

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\audialstunebite32_64.exe

Filesize
2.4MB

MD5
3da6f9efb0434d160ed1dedf69dc65f1

SHA1
5a0fba5dcd9ffab3441df2a9907a33f3d113df3c

SHA256
cc6d90fee0e6841e877369bd07d948016d616847ff1860582f0450b09a8193b7

SHA512
2ae2d829d5bbb5b29e957a04a33b8f6e6cf6f75f6bf8a68eaec9b055d64885dd09669cc4b801f389b78e1d4633ba29db759d55ec5129199210bdeb72b90053db

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-684R9.tmp\a1f2c2e3db5ccd028a00f1ffd2ac45bc6fdd0d5761f220bb9e0cfe33f5e1e23d.tmp

Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1768-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1768-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1768-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2040-59-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2040-61-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2040-64-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-82-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-95-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-131-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-70-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-73-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-76-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-79-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-126-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-85-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/3768-87-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-92-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-66-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-98-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-101-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-104-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-107-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-111-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-114-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-117-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-120-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3768-123-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3808-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3808-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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