socks5systemz | e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2

General

Target

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe
Size

4.8MB
MD5

eab645513815cdbfe406a087b93c616e
SHA1

a3f88733d2fe11f93abf8207c91334ed591357d9
SHA256

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2
SHA512

45baef579fc0c32be1bf59afcd039b12f78df9233ed16479ec5cecd16c9ee3f97388e83398e82188472d6d24b550190baf957246816a4f4bbfd6fd76b3af11ef
SSDEEP

98304:mObaFE+hDh2ctTvyZH6SzrYpw/L79WWHOJO75/Cqr+GuAl:b6Dh23ZdXHNF/Ccfl

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccufpdx.net

http://ccufpdx.net/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8df819c9ea95

http://ccufpdx.net/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef9d8245855a8bbc896c58e713bc90c91936b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ec929232c86f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2528-92-0x0000000002330000-0x00000000023D2000-memory.dmp	family_socks5systemz
behavioral1/memory/2528-114-0x0000000002330000-0x00000000023D2000-memory.dmp	family_socks5systemz
behavioral1/memory/2528-115-0x0000000002330000-0x00000000023D2000-memory.dmp	family_socks5systemz

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

Processes:

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

2444 e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
2552 m4atomp3converter.exe
2528 m4atomp3converter.exe

pid	process
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
2552	m4atomp3converter.exe
2528	m4atomp3converter.exe

Loads dropped DLL 5 IoCs

Processes:

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exee2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp

pid	process
2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.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 141.98.234.31
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:

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp

pid process

2444 e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exee2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp

description	pid	process	target process
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2220 wrote to memory of 2444	2220	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
PID 2444 wrote to memory of 2552	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2552	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2552	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2552	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2528	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2528	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2528	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe
PID 2444 wrote to memory of 2528	2444	e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe
"C:\Users\Admin\AppData\Local\Temp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220

C:\Users\Admin\AppData\Local\Temp\is-QML8E.tmp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QML8E.tmp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp" /SL5="$3012A,4753209,54272,C:\Users\Admin\AppData\Local\Temp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2444

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:2552

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:2528

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

MD5
628c74259556df696fce9cdf9b190c3b

SHA1
a5a08bd92dee356738630d59fe6217961b90e0c6

SHA256
8333c2ce9ecd780e5f0398374efd504512654d32834c9bc8c0a9fb3709167d34

SHA512
4903b7d0637db66cce90c1e3814e911a8bef14abc1900860e69c9bb24f918147a8b038e25b5909dc4d182d533e1de33d6aa51b1cd4ad18b69cdd7230d39ca3aa

Download Submit
\Users\Admin\AppData\Local\Temp\is-QML8E.tmp\e2315cab7d9ff173bd699d74cbef876a454bc21c2c487633d6e927f988a28be2.tmp
Filesize
680KB

MD5
283da5c763c54b41092d9fe0d244b491

SHA1
d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03

SHA256
339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9

SHA512
306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

Download Submit
\Users\Admin\AppData\Local\Temp\is-V879J.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-V879J.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2220-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2444-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2444-64-0x00000000035A0000-0x000000000388D000-memory.dmp

Filesize
2.9MB

Download
memory/2444-79-0x00000000035A0000-0x000000000388D000-memory.dmp

Filesize
2.9MB

Download
memory/2444-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2528-104-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-98-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-122-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-75-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-78-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-119-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-82-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-85-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-88-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-91-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-92-0x0000000002330000-0x00000000023D2000-memory.dmp

Filesize
648KB

Download
memory/2528-71-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-101-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-115-0x0000000002330000-0x00000000023D2000-memory.dmp

Filesize
648KB

Download
memory/2528-107-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-110-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-113-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2528-114-0x0000000002330000-0x00000000023D2000-memory.dmp

Filesize
648KB

Download
memory/2552-65-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2552-66-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2552-69-0x0000000000400000-0x00000000006ED000-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