socks5systemz | e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c

General

Target

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe
Size

4.8MB
MD5

ac3e55b3a41d0f2e53fdec36e123dcfe
SHA1

54f6ef80fde0d9d642b445cd318e727e954e30f4
SHA256

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c
SHA512

8ae4886bd8cc76da471332b3486da16e34389bda1caac2f6f2ae841a0cf097199382377925a7b75dc2660bc547b53a834285a5878c3e93f44962a056a434f778
SSDEEP

98304:m8x0sY+TtdJPOgwqHsBPg2sOmG5uQRzl1d7lSwpp/C:35BOOsXsOmG5JvzSwpp/C

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bhxrcdi.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2452-88-0x00000000008A0000-0x0000000000942000-memory.dmp	family_socks5systemz

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

Processes:

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

228 e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
1076 m4atomp3converter.exe
2452 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

pid process

228 e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.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 152.89.198.214
Destination IP 91.211.247.248
Destination IP 152.89.198.214
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:

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

pid process

228 e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

pid	process
228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
1076	m4atomp3converter.exe
2452	m4atomp3converter.exe

pid	process
228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exee5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp

description	pid	process	target process
PID 3776 wrote to memory of 228	3776	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
PID 3776 wrote to memory of 228	3776	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
PID 3776 wrote to memory of 228	3776	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
PID 228 wrote to memory of 1076	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe
PID 228 wrote to memory of 1076	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe
PID 228 wrote to memory of 1076	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe
PID 228 wrote to memory of 2452	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe
PID 228 wrote to memory of 2452	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe
PID 228 wrote to memory of 2452	228	e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe
"C:\Users\Admin\AppData\Local\Temp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3776

C:\Users\Admin\AppData\Local\Temp\is-B9R11.tmp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-B9R11.tmp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp" /SL5="$6020A,4788238,54272,C:\Users\Admin\AppData\Local\Temp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:228

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
3⤵
- Executes dropped EXE
PID:1076

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
3⤵
- Executes dropped EXE
PID:2452

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\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
2.9MB

MD5
e21e605145ae460d3a8780c8c2de9a92

SHA1
567151f5f50057b2198ad583a883d75232b16ef3

SHA256
7d0b328ad49e9469c7293cf35e2f1a66401587bf6b43d49be2943cb5dd56ada1

SHA512
699045c9aeab98486ee4577bdd6fadb986a6b71c20f3b9fa35fb7f2df24f1e62f08ed806c01d5e4b08f991e96b5eb9738f24e400c92deed75ee88a66077b763f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-72N80.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B9R11.tmp\e5e154f566cb78bae624e3c6369ad5b335d9de18567883537025f8b303b8881c.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
memory/228-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/228-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1076-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1076-59-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1076-60-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1076-61-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-72-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-88-0x00000000008A0000-0x0000000000942000-memory.dmp

Filesize
648KB

Download
memory/2452-69-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-116-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-113-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-110-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-75-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-76-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-79-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-82-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-85-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-67-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-90-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-95-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-98-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-101-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-104-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2452-107-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/3776-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3776-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3776-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing