socks5systemz | 37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a

General

Target

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe
Size

5.6MB
MD5

21186244760b76df08e24a2c3802f7e0
SHA1

562e9f617d0ae071115432e95e71181839082ccd
SHA256

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a
SHA512

3ef14aa73ab25aad0e48ef40e79150f1afce476670c72c56b0c0102b0a9abf435bf7d42573ac5330e222f542a8e3389aee110dbcd22e1dce4aaf208ed6e3d693
SSDEEP

98304:mDcna40AeZjV/FuD+334nBrbfFzxc0hnLJvEPUTioXK54Va53nzeQ9mpWUGD:AcalAajV/FCnB39VVhnLJvSUTioX1VeD

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aaeiepo.ru

http://aaeiepo.ru/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef929a3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2372-90-0x00000000028D0000-0x0000000002972000-memory.dmp	family_socks5systemz

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

Processes:

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmplampungsoundstage.exelampungsoundstage.exe

pid process

4400 37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
4548 lampungsoundstage.exe
2372 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp

pid	process
4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.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:

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp

pid process

4400 37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp

description	pid	process	target process
PID 1992 wrote to memory of 4400	1992	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
PID 1992 wrote to memory of 4400	1992	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
PID 1992 wrote to memory of 4400	1992	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
PID 4400 wrote to memory of 4548	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe
PID 4400 wrote to memory of 4548	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe
PID 4400 wrote to memory of 4548	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe
PID 4400 wrote to memory of 2372	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe
PID 4400 wrote to memory of 2372	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe
PID 4400 wrote to memory of 2372	4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe
"C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\is-IS05A.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-IS05A.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp" /SL5="$60190,5636535,54272,C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4400

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:4548

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:2372

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
Filesize
3.2MB

MD5
e9e49f1da5dc85b8c0ea95ed7e11ec6a

SHA1
22c7720a2716abe1649a57fd47ae849ed6e8ec92

SHA256
1390fa94678e7237b074d35f1fea18d1f595944a5d39fd3fbb6446fef0176050

SHA512
15d942b8a8b861e7b9db71f84d20fe13ad1335316a47ee7d4ca1ea9bfbf5dd3d30a8469b1d7a2231502eb42d920382bf477b24a483169a8a757ba58c51309aae

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IS05A.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
Filesize
680KB

MD5
5baf97b8447c7245e308c807eba2b172

SHA1
628c759120b7595bb697c14dd265f7f4616c8e72

SHA256
ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

SHA512
dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

Download Submit
\Users\Admin\AppData\Local\Temp\is-DT8K4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-DT8K4.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1992-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1992-4-0x00007FFBEE9F0000-0x00007FFBEEBCB000-memory.dmp

Filesize
1.9MB

Download
memory/1992-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-109-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-97-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-136-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-131-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-128-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-74-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-125-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-78-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-81-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-84-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-87-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-90-0x00000000028D0000-0x0000000002972000-memory.dmp

Filesize
648KB

Download
memory/2372-92-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-122-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-100-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-103-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-106-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-119-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-112-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2372-116-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4400-12-0x00007FFBEE9F0000-0x00007FFBEEBCB000-memory.dmp

Filesize
1.9MB

Download
memory/4400-77-0x00007FFBEE9F0000-0x00007FFBEEBCB000-memory.dmp

Filesize
1.9MB

Download
memory/4400-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4548-66-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4548-65-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4548-69-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download

pid	process
4400	37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
4548	lampungsoundstage.exe
2372	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads