socks5systemz | 5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b

General

Target

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe
Size

5.9MB
MD5

d399a7d815be53db01a92ff6c4fcea7e
SHA1

7d5aac9ddd513008dc03e19698fbeba20e252990
SHA256

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b
SHA512

82e57552d4ef50095774f511a9992b3be8edccac6c6c9889260ddbe6d1c57b6ab45b03d9e957dcef9427561373388bd9c2515af1c90451a8f2f5c88eb2d100e6
SSDEEP

98304:m/PWRrDkHk81HvmBJytrDNfghzNCCwFwn2aalmof9Vdn28j33/23xxHkunDiDTFI:7FEr1P0ctfNfgNW2nalmW9n13W/nyFFi

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bgqbwkx.com

http://bgqbwkx.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec93923a

http://bgqbwkx.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12eab517aa5c96bd86e8908e45815a8bbc896c58e713bc90c91836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339ce699e17

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2928-91-0x0000000002670000-0x0000000002712000-memory.dmp	family_socks5systemz
behavioral2/memory/2928-134-0x0000000002670000-0x0000000002712000-memory.dmp	family_socks5systemz
behavioral2/memory/2928-133-0x0000000002670000-0x0000000002712000-memory.dmp	family_socks5systemz

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

Processes:

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

224 5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
1016 lampungsoundstage32.exe
2928 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp

pid	process
224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.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:

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp

pid process

224 5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp

description	pid	process	target process
PID 600 wrote to memory of 224	600	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
PID 600 wrote to memory of 224	600	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
PID 600 wrote to memory of 224	600	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
PID 224 wrote to memory of 1016	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe
PID 224 wrote to memory of 1016	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe
PID 224 wrote to memory of 1016	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe
PID 224 wrote to memory of 2928	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe
PID 224 wrote to memory of 2928	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe
PID 224 wrote to memory of 2928	224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe
"C:\Users\Admin\AppData\Local\Temp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:600

C:\Users\Admin\AppData\Local\Temp\is-RMMRT.tmp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RMMRT.tmp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp" /SL5="$A01B2,5903974,54272,C:\Users\Admin\AppData\Local\Temp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:224

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:1016

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:2928

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\lampungsoundstage32.exe
Filesize
3.8MB

MD5
12b81c579061631230ca4b0bfbd6217f

SHA1
0e42fe09d4fed7c6393507d758ae34d070c69f27

SHA256
5d2e3bd169503cb0be208cb51bc9a1ea5d8c8863095b43682f86709dec544c1e

SHA512
63a6d80c5bec3dcc6bef71a184eccaf4c1b42a53276cd61c096667a813a2b7415e61ac18016ad4087db0c38f7e04fe6154f720727379f90c48398af1e535f3f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RMMRT.tmp\5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/224-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/224-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/600-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/600-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/600-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1016-65-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1016-66-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/1016-70-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-85-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-107-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-79-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-82-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-73-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-88-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-91-0x0000000002670000-0x0000000002712000-memory.dmp

Filesize
648KB

Download
memory/2928-95-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-98-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-101-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-104-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-76-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-110-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-113-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-117-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-120-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-123-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-126-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-129-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-132-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-134-0x0000000002670000-0x0000000002712000-memory.dmp

Filesize
648KB

Download
memory/2928-133-0x0000000002670000-0x0000000002712000-memory.dmp

Filesize
648KB

Download

pid	process
224	5b93c5ba2446f556cc278d0200719753cc2f0f406dc5f444a10a4276d5906f3b.tmp
1016	lampungsoundstage32.exe
2928	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads