socks5systemz | 6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d

General

Target

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe
Size

4.8MB
MD5

52afd025420f92038d514cc7f534c1ab
SHA1

893147fe38109197e15a94e321da0e7365721d12
SHA256

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d
SHA512

1001fff1bad65177aae7ca2b79e93565512fed7485763db48f40b00011ad84f2b2afe94b1d9de1435983865d6760a149a61f0a15730550557f137eeb6fbd98c3
SSDEEP

98304:m/l6keha9kIP7Ex33U/sOOY7yBzaOJYD4kelWJXxUqrja0ZI6B6mll:L9haaIe3hNBNE0lWJXqqrjXXPll

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ayworma.ru

http://ayworma.ru/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec9d9c39

http://ayworma.ru/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12eab517aa5c96bd86ee97814f825a8bbc896c58e713bc90c94836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339ce679014

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5036-81-0x0000000000930000-0x00000000009D2000-memory.dmp	family_socks5systemz

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

Processes:

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmpstarsaudioconverter32.exestarsaudioconverter32.exe

pid process

5056 6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
2436 starsaudioconverter32.exe
5036 starsaudioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

pid process

5056 6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.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:

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

pid process

5056 6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

pid	process
5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
2436	starsaudioconverter32.exe
5036	starsaudioconverter32.exe

pid	process
5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp

description	pid	process	target process
PID 5064 wrote to memory of 5056	5064	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
PID 5064 wrote to memory of 5056	5064	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
PID 5064 wrote to memory of 5056	5064	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
PID 5056 wrote to memory of 2436	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe
PID 5056 wrote to memory of 2436	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe
PID 5056 wrote to memory of 2436	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe
PID 5056 wrote to memory of 5036	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe
PID 5056 wrote to memory of 5036	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe
PID 5056 wrote to memory of 5036	5056	6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp	starsaudioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe
"C:\Users\Admin\AppData\Local\Temp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5064

C:\Users\Admin\AppData\Local\Temp\is-BCE8Q.tmp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-BCE8Q.tmp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp" /SL5="$50236,4829429,54272,C:\Users\Admin\AppData\Local\Temp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:2436

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:5036

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

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Downloads

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
Filesize
2.4MB

MD5
596aff395edbcdb5159d622c6f2e876c

SHA1
3c9e7651e4d1d8e6aaf47f0259c139d418d2e5da

SHA256
cff8716a19752d0d018735dd658378dbceb720c926a54f8f356086f5980d4c1b

SHA512
38c300a0bbe68bed4099d2dc1edaa31d52049950080c2b5bbbc644c82669de1d869aebc7d6bcef49d515ed45452f0d206ccafd39e1fe15f7c10b935593819aa3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BCE8Q.tmp\6993867650a80cd7b31b897aa0cfd8752d6a6247abbc9f29e6d3efdcccb3865d.tmp
Filesize
680KB

MD5
e805fd8d14185debe4999b420e788690

SHA1
014b87617a2f2c62530ec2da91a5be0d8078c098

SHA256
720ee272d4e0d2c13caaa0051d875437161f82df74152144276e87f694712a3c

SHA512
33b68c21ef3f6ea17736ff45881019e363abc2df83ae4c1399bb3b3466199b06731bdd45c0852cad33408b54371cb9a9a574ec3445dd5030f6e56306f1e81dbf

Download Submit
\Users\Admin\AppData\Local\Temp\is-816G0.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2436-59-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2436-63-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2436-60-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-77-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-93-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-129-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-124-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-121-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-68-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-71-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-74-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-118-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-80-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-81-0x0000000000930000-0x00000000009D2000-memory.dmp

Filesize
648KB

Download
memory/5036-85-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-90-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-115-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-96-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-99-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-102-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-105-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-109-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5036-112-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5056-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5056-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5064-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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