socks5systemz | 378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3

General

Target

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe
Size

5.9MB
MD5

b18dc177efa67c6475bb350731a94803
SHA1

637a64b1e0c53dabb9bcc88ed0f2963b5c1af596
SHA256

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3
SHA512

850b5c1085e07e9fc4438963b931812c8b8908aac11fcd9b24eb89dd96fffb1593a4b0c900d574fd2a4d9dd4a5e2b86b408fc9f5d1e8c0c8b367b9ba92d91e21
SSDEEP

98304:m6MfSAIiIvBoW7Z5VOihb6R3YgEPANGrDOQHatTwbWuhLfbcZoee13zMOBNkln/M:tAu3VOYb6R3YgEPANGPOM0TwfLfCveRJ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

boobbfd.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3172-90-0x00000000025F0000-0x0000000002692000-memory.dmp	family_socks5systemz

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

Processes:

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmplampungsoundstage32.exelampungsoundstage32.exe

pid process

2016 378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
2008 lampungsoundstage32.exe
3172 lampungsoundstage32.exe

Loads dropped DLL 3 IoCs

Processes:

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp

pid	process
2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp

Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
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:

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp

pid process

2016 378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp

description	pid	process	target process
PID 1928 wrote to memory of 2016	1928	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
PID 1928 wrote to memory of 2016	1928	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
PID 1928 wrote to memory of 2016	1928	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
PID 2016 wrote to memory of 2008	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe
PID 2016 wrote to memory of 2008	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe
PID 2016 wrote to memory of 2008	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe
PID 2016 wrote to memory of 3172	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe
PID 2016 wrote to memory of 3172	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe
PID 2016 wrote to memory of 3172	2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp	lampungsoundstage32.exe

C:\Users\Admin\AppData\Local\Temp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe
"C:\Users\Admin\AppData\Local\Temp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\AppData\Local\Temp\is-O4GMR.tmp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-O4GMR.tmp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp" /SL5="$501B0,5909372,54272,C:\Users\Admin\AppData\Local\Temp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
3⤵
- Executes dropped EXE
PID:2008

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
3⤵
- Executes dropped EXE
PID:3172

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

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Downloads

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
Filesize
3.8MB

MD5
6eb41df3011220133c4fb221396983d0

SHA1
8e6e87328f1351cdbf7bc0155eea1f28a4239580

SHA256
15cda197cf9893b6cfd69308f5b4460b988f20802498c2b9743188b8fe83af76

SHA512
e4d5fe8d15011d96198e1f21b8ff563355ee865bcb726a8defbd4359ae3fe2d49755a38dffe745f775c1478614d6172965db74df75f97f518d7c59fdd9e197f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5J0Q7.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5J0Q7.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O4GMR.tmp\378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
Filesize
680KB

MD5
7a27a6b2c6d4e3cf7f7046032f6ca620

SHA1
4b9e5af4bbea5d1d5760c5ceb3ef4f71bdb9fb19

SHA256
d44cb08a6d7e9c723d71932028ea8d43bccbecf37ec01654b76c4299bdeef35a

SHA512
b2b700d952f8dca39bc7d2831363d96090f42aab30b627b7b0709a730ef19e9314bac963e3d7257680a925c4e7f0e355d030eb39e58f489e9c79f61079fa5279

Download Submit
memory/1928-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1928-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1928-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2008-65-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2008-66-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2008-69-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2008-71-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/2016-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2016-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3172-77-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-95-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-80-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-83-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-86-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-89-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-90-0x00000000025F0000-0x0000000002692000-memory.dmp

Filesize
648KB

Download
memory/3172-74-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-100-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-103-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-106-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-109-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-112-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-115-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-118-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/3172-121-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download

pid	process
2016	378686890b2ee314324a6654913b78923103865b867b9cd695b2d3dc67b1edf3.tmp
2008	lampungsoundstage32.exe
3172	lampungsoundstage32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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