socks5systemz | 0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1

General

Target

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe
Size

4.9MB
MD5

d30224a9fdeeafa023c5ce0fba49bc1f
SHA1

9576946143d6a9312ff03c3cea2fccfbb4e76c44
SHA256

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1
SHA512

0614e047b1610b907997183a49daafade950ca592216648fd54c7db3a394e24205d943e0e18eb07977d435642ea7575ba8e5c513821a47a967af23366beae047
SSDEEP

98304:muZamAutYnh8zUtZqdF6vjHJBQecwxi8IGXPHGLemtte9:TZrtYnhUvmvTJtcww+fCev

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezupgmu.ua

http://ezupgmu.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c9e8909d3f

http://ezupgmu.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86ee97874a875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d32ca6a9112

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4744-86-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz
behavioral1/memory/4744-109-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz
behavioral1/memory/4744-110-0x0000000002580000-0x0000000002622000-memory.dmp	family_socks5systemz

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

Processes:

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

2832 0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
648 audialstunebite32.exe
4744 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

pid process

2832 0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.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 91.211.247.248
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:

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

pid process

2832 0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

pid	process
2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
648	audialstunebite32.exe
4744	audialstunebite32.exe

pid	process
2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp

description	pid	process	target process
PID 2628 wrote to memory of 2832	2628	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
PID 2628 wrote to memory of 2832	2628	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
PID 2628 wrote to memory of 2832	2628	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
PID 2832 wrote to memory of 648	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe
PID 2832 wrote to memory of 648	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe
PID 2832 wrote to memory of 648	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe
PID 2832 wrote to memory of 4744	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe
PID 2832 wrote to memory of 4744	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe
PID 2832 wrote to memory of 4744	2832	0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe
"C:\Users\Admin\AppData\Local\Temp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2628

C:\Users\Admin\AppData\Local\Temp\is-81NCN.tmp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-81NCN.tmp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp" /SL5="$100052,4848192,54272,C:\Users\Admin\AppData\Local\Temp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2832

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:648

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:4744

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
Filesize
2.4MB

MD5
8fbb8716ce112822e3bcefb520535ffe

SHA1
365e1c363edd0c78a02e8c047789d8f7f2edb1ad

SHA256
169f3bedf905849c2854b8ce5db37d4e3b11a2f2d5809de569144da59a8697aa

SHA512
c2883bb61232c25e7e5fc2ec53866916f72ac5f9001642d68315babfd968ac8d15aa5e8477eaa6b65f4158b8613dae618ad3161de6033a9d19be3214bcd84c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4QNRU.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-81NCN.tmp\0019672c7b536dab1d95b3156c7d75071e6936d1a8bc0829aa63cd9c3a6e16c1.tmp
Filesize
680KB

MD5
66f4568e899ebb18b20a877f017f08fd

SHA1
887fb52becc444c529acf26e71147b840c7ff885

SHA256
8cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0

SHA512
2ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66

Download Submit
memory/648-59-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/648-61-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/648-63-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/648-65-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/2628-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2628-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2628-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2832-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2832-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4744-74-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-96-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-68-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-77-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-80-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-83-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-86-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4744-88-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-93-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-71-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-99-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-102-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-105-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-108-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-109-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4744-110-0x0000000002580000-0x0000000002622000-memory.dmp

Filesize
648KB

Download
memory/4744-114-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4744-117-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing