socks5systemz | 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db

General

Target

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe
Size

4.4MB
MD5

5b6cf43c9cd9b526a685ec593582d6b2
SHA1

50a0094cbe5e03f93dfee6ff03a276851b991146
SHA256

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db
SHA512

c6dbfc5ab5dc01c26b9fe09375d2ff4d42aecabf721678a5b860fe73ea53b261c594385fc1f8e9d265bee96147775e3c7cbda4b1832d925fe49922cd8a5bc517
SSDEEP

98304:mQJv0V8rmz0nimbjMZI8wQfRbF9h0jcqCxDC7Qq:HJcES0ni2jMZI8hfRbnSjczxDS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beipxai.com

http://beipxai.com/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c9ed969c33

http://beipxai.com/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94874a855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d32cf6c901e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3312-86-0x0000000002440000-0x00000000024E2000-memory.dmp	family_socks5systemz
behavioral2/memory/3312-110-0x0000000002440000-0x00000000024E2000-memory.dmp	family_socks5systemz
behavioral2/memory/3312-111-0x0000000002440000-0x00000000024E2000-memory.dmp	family_socks5systemz

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

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

864 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
4368 audialstunebite32.exe
3312 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid process

864 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.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 45.155.250.90
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:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid process

864 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid	process
864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
4368	audialstunebite32.exe
3312	audialstunebite32.exe

pid	process
864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

description	pid	process	target process
PID 1716 wrote to memory of 864	1716	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 1716 wrote to memory of 864	1716	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 1716 wrote to memory of 864	1716	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 864 wrote to memory of 4368	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 864 wrote to memory of 4368	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 864 wrote to memory of 4368	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 864 wrote to memory of 3312	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 864 wrote to memory of 3312	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 864 wrote to memory of 3312	864	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe
"C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\is-11AJM.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
"C:\Users\Admin\AppData\Local\Temp\is-11AJM.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp" /SL5="$70226,4411854,54272,C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:864

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:4368

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:3312

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
01eb42e90b3c1ea5545adb2245ca8855

SHA1
f73166d3c0013ceb2f40452b954206ded2e930f1

SHA256
bfcb9bee2ceab3f769a478abd86a38fa89aae9b9537376f72048a0236ea23b5f

SHA512
86fe4d2f2b592bebfbc4be81651ea92a06bca07a5869fc9236c93185f1fbd6a96ba4548a668dfb130bbcb9af664cb759250cadb4d8eb38f8ed2abd60dce975f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-11AJM.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
Filesize
680KB

MD5
23f23fa5ae3e56ae0f625a846930859c

SHA1
eedb60b2cffa50c4aa9e5be8df8a65c0cc5916ae

SHA256
568997aae8c7c496a3ccad87c665b5c305e40016fb15d54cdc2d6bd9513320f0

SHA512
6d38a6046113f3c6120d02b51cf69dd2b21a76a66569022be690d2ee3ce6473bafbff9fdd32210a4a449a683e323795cb2aedb8df4895e33ec4a8954de86c9f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PH9HR.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/864-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/864-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1716-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3312-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-89-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-68-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-118-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-115-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-74-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-80-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-86-0x0000000002440000-0x00000000024E2000-memory.dmp

Filesize
648KB

Download
memory/3312-111-0x0000000002440000-0x00000000024E2000-memory.dmp

Filesize
648KB

Download
memory/3312-94-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-110-0x0000000002440000-0x00000000024E2000-memory.dmp

Filesize
648KB

Download
memory/3312-100-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-106-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-109-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4368-59-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4368-65-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4368-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4368-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download

Analysis

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