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

bhfbkva.com

http://bhfbkva.com/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd13c8ef95

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2428-93-0x0000000002270000-0x0000000002312000-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

1628 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
2716 m4atomp3converter.exe
2428 m4atomp3converter.exe

pid	process
1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
2716	m4atomp3converter.exe
2428	m4atomp3converter.exe

Loads dropped DLL 5 IoCs

Processes:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

pid	process
1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe
1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
1628	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 45.155.250.90
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

1628 0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp

description	pid	process	target process
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1936 wrote to memory of 1628	1936	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
PID 1628 wrote to memory of 2716	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2716	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2716	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2716	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2428	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2428	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2428	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe
PID 1628 wrote to memory of 2428	1628	0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe
"C:\Users\Admin\AppData\Local\Temp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\is-TFDKC.tmp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TFDKC.tmp\0a96f175b2b328338138ba70a74595a3b257554d6c39a80121e40f8249d754d5.tmp" /SL5="$5014E,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:1628

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:2716

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:2428

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

\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
2.9MB

MD5
0032bcdcb1fe0b60824a32b242753d51

SHA1
445cd9180c53228bf34d52887e14af60576fb3b4

SHA256
8ecb3cc7be281037eeae3a1fc144d0e81e395f9d75057eca9e3fad346d204957

SHA512
0c894d5989a557e811f140210743986bbd48215cb35d592eeb4c5d97280951276a1022495f8c0b5c1e187a50fbeca6c75e58b8dc8034d142235120e3f885eb5c

Download Submit
\Users\Admin\AppData\Local\Temp\is-GUN99.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-GUN99.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

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

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
memory/1628-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1628-64-0x00000000032B0000-0x000000000359D000-memory.dmp

Filesize
2.9MB

Download
memory/1628-80-0x00000000032B0000-0x000000000359D000-memory.dmp

Filesize
2.9MB

Download
memory/1628-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1936-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1936-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1936-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2428-105-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-99-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-138-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-76-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-79-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-133-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-83-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-86-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-89-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-92-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-93-0x0000000002270000-0x0000000002312000-memory.dmp

Filesize
648KB

Download
memory/2428-72-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-102-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-130-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-108-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-111-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-114-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-118-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-121-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-124-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2428-127-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2716-65-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2716-66-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2716-70-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads