socks5systemz | 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c

General

Target

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe
Size

4.9MB
MD5

c1ce5763b3eb61b22a9d2b98b8c498e0
SHA1

edd919d1a2d58f40b9458b68126170c1ee43031d
SHA256

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c
SHA512

54d72493bb4f8ffb1957f8d76bdf32a611d03db178893d5249c5e52d59d4c0de7399e1ecbe0e0c990c0e8bb09a35cd64d37f70de2877ca14b3ca0e06420c2636
SSDEEP

98304:mo1ymWHn8s7thZTgqsiQKp7R2aW3tVGzgTOH/7Otph14WvEBdWgVTZLTOBrS:dymWHn8It/QiBUaIsgO/7OxPgVNLTOB2

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bprqdzp.com

http://bprqdzp.com/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c0ef919c3d

http://bprqdzp.com/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12eab517aa5c96bd86ef9c804c895a8bbc896c58e713bc90c91d36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d923bcd6b9010

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4916-84-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/4916-109-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/4916-110-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz

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

Processes:

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

3388 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
5036 audialstunebite32.exe
4916 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

pid process

3388 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.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:

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

pid process

3388 2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

pid	process
3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
5036	audialstunebite32.exe
4916	audialstunebite32.exe

pid	process
3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp

description	pid	process	target process
PID 2780 wrote to memory of 3388	2780	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
PID 2780 wrote to memory of 3388	2780	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
PID 2780 wrote to memory of 3388	2780	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
PID 3388 wrote to memory of 5036	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe
PID 3388 wrote to memory of 5036	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe
PID 3388 wrote to memory of 5036	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe
PID 3388 wrote to memory of 4916	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe
PID 3388 wrote to memory of 4916	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe
PID 3388 wrote to memory of 4916	3388	2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe
"C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2780

C:\Users\Admin\AppData\Local\Temp\is-R0N59.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-R0N59.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp" /SL5="$18014E,4847555,54272,C:\Users\Admin\AppData\Local\Temp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3388

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:5036

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:4916

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.exe
Filesize
2.4MB

MD5
98e5e6eb0528f7192da12e456ec12023

SHA1
e974c7e6df6abc23be2dd23f1bda4a28469501f1

SHA256
858c8b685d84d2ace3dc7ad0b44ffa398b9fb896395714f5f62a255b36460dd5

SHA512
536011ea066ab359296d93dce5c0a382498a69894cc73d891e1c70f6b656a2cb483420f988b2e68019d49ee3096c8eacaf0ef4a2a8150d92032d38dba3b716f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6RNG9.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R0N59.tmp\2c98f93cb9ea3c719486b2e81171303ff27070e0970ec6f96c2903d8c234162c.tmp
Filesize
680KB

MD5
66f4568e899ebb18b20a877f017f08fd

SHA1
887fb52becc444c529acf26e71147b840c7ff885

SHA256
8cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0

SHA512
2ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66

Download Submit
memory/2780-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2780-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2780-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3388-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3388-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4916-96-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-88-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-67-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-117-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-114-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-71-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-74-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-77-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-80-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-83-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-84-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4916-110-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4916-93-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-109-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4916-99-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-102-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-105-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/4916-108-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/5036-59-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/5036-65-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/5036-61-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/5036-63-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download

Analysis

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