socks5systemz | 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5

General

Target

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe
Size

4.8MB
MD5

7865eee30eca2363a8b0ae9b842de660
SHA1

b4577df2821d83c0289f071c51fd93f4759814a7
SHA256

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5
SHA512

e76574b964eafdac8b3f8acb2af2c1382ade3a544f2c8289094330fdb0e982280f8190ca654c56a314c023b7db479a6821f44eb67462581d6a9ecc98abac2422
SSDEEP

98304:mZLAwhPYtoJE7Q9nilctGKng6/r9pUzIx4VaS8XEd0qMO/gHkD0vu38wER7taWqw:8LA2JN9niytG/6jkzAK8XY0f8CG0vubS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aiueicu.ru

http://aiueicu.ru/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef909b3c

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1804-83-0x0000000000960000-0x0000000000A02000-memory.dmp	family_socks5systemz

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

Processes:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

2264 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
4672 m4atomp3converter.exe
1804 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

pid process

2264 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.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 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:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

pid process

2264 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

pid	process
2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
4672	m4atomp3converter.exe
1804	m4atomp3converter.exe

pid	process
2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

description	pid	process	target process
PID 4932 wrote to memory of 2264	4932	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 4932 wrote to memory of 2264	4932	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 4932 wrote to memory of 2264	4932	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 2264 wrote to memory of 4672	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 2264 wrote to memory of 4672	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 2264 wrote to memory of 4672	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 2264 wrote to memory of 1804	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 2264 wrote to memory of 1804	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 2264 wrote to memory of 1804	2264	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe
"C:\Users\Admin\AppData\Local\Temp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932

C:\Users\Admin\AppData\Local\Temp\is-AN3A3.tmp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-AN3A3.tmp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp" /SL5="$70218,4763105,54272,C:\Users\Admin\AppData\Local\Temp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2264

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:4672

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:1804

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
0032bcdcb1fe0b60824a32b242753d51

SHA1
445cd9180c53228bf34d52887e14af60576fb3b4

SHA256
8ecb3cc7be281037eeae3a1fc144d0e81e395f9d75057eca9e3fad346d204957

SHA512
0c894d5989a557e811f140210743986bbd48215cb35d592eeb4c5d97280951276a1022495f8c0b5c1e187a50fbeca6c75e58b8dc8034d142235120e3f885eb5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-AN3A3.tmp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K7P4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1804-99-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-102-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-129-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-124-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-121-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-118-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-115-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-112-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-68-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-71-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-74-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-77-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-80-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-83-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/1804-85-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-90-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-93-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-96-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-109-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1804-106-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2264-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2264-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4672-60-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4672-63-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4672-59-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4932-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4932-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4932-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing