socks5systemz | 8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab

General

Target

8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe
Size

4.9MB
MD5

8e97078cb66e1d255dac663ba939a172
SHA1

846435fff9c8ff4dd68126d1edf36a1a1fb2708e
SHA256

8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab
SHA512

c70051772c4e141a0989824c36f134a67773b9e882145e2932169199037d3cc720099fad9b0b4cf6b3d4ecd9c24da6c47e4ceafeb1b742ba09d0ee321f11bc87
SSDEEP

98304:ZviwzLucLfIVONWZGuIeeuYzmQiaaLO6dObIl5iRvP:ZvigfIQWEetY2ZdnfSvP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://csixzbo.net/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6287ff13c6ed9d

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2592-97-0x00000000022D0000-0x0000000002372000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
3004	radiobuster.exe
2592	radiobuster.exe

Loads dropped DLL 6 IoCs

pid	Process
2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 2148 wrote to memory of 1440	2148	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe	28
PID 1440 wrote to memory of 3004	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	29
PID 1440 wrote to memory of 3004	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	29
PID 1440 wrote to memory of 3004	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	29
PID 1440 wrote to memory of 3004	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	29
PID 1440 wrote to memory of 2592	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	30
PID 1440 wrote to memory of 2592	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	30
PID 1440 wrote to memory of 2592	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	30
PID 1440 wrote to memory of 2592	1440	8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp	30

C:\Users\Admin\AppData\Local\Temp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe
"C:\Users\Admin\AppData\Local\Temp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\is-KUT7S.tmp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KUT7S.tmp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp" /SL5="$30132,4918558,54272,C:\Users\Admin\AppData\Local\Temp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1440
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3004
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Radio Buster\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
\Users\Admin\AppData\Local\Radio Buster\radiobuster.exe

Filesize
2.0MB

MD5
6734ee08110e4ea2111b33f185e3dd34

SHA1
ca1fb48ab6d78dc1729bef326f74912118e5679d

SHA256
74f9957a89ca428b9a726a1be2a3b03babfcaa25a8faecea372296b5484fe778

SHA512
666a6097f4bb6f4be07104384760940e218ffa27502200107d3d885482df579eaff199e9cff0e14ef52996866fc78cec25caf275e2044e9879d4979df8a2da3f

Download Submit
\Users\Admin\AppData\Local\Temp\is-EJ8MA.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-EJ8MA.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
c948b46ea1eb5757ecf75404571c31ce

SHA1
6665b8d48fea3538c7e043b7ab700778d86307a3

SHA256
3c5b63d61e00f30790c7df0f048473cb04d17e175d8177e86c7cf5062dcaad24

SHA512
6b326b34c8142ef2b75df7f83aed11400a86d19806730bab0515ccfcd6eb2ef71d6db707dbd48d8f1f8ff9e3eb6626af80d38394ebaf2742ef3df0d0ebe4f256

Download Submit
\Users\Admin\AppData\Local\Temp\is-EJ8MA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KUT7S.tmp\8690c78a5b47768ca6bcc4e467728c9ce3d699c0bb718a9aaec44dd5e8cf8dab.tmp

Filesize
696KB

MD5
e6ecf0c4aa417434cf72285b44a20878

SHA1
ed4a18e346f39e2918eca11d437716e739e3000d

SHA256
1e4acf3335890f92361cbbb42ab0b9fb3b91bdc083cd37229dcf2233550a5c60

SHA512
1ec75c8b0b0753c21f76bf733a09e8454288d725ffa42a3239668aff8d6f4e32a8fce3c58f78cce7b733ca5992cc082aa0ec8d1b8bdcc523bc9a90a34f47a42b

Download Submit
memory/1440-81-0x0000000003960000-0x0000000003B6D000-memory.dmp

Filesize
2.1MB

Download
memory/1440-16-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1440-66-0x0000000003960000-0x0000000003B6D000-memory.dmp

Filesize
2.1MB

Download
memory/1440-79-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2148-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2148-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2148-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2592-90-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-106-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-140-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-137-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-80-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-134-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-84-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-87-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-131-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-93-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-96-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-97-0x00000000022D0000-0x0000000002372000-memory.dmp

Filesize
648KB

Download
memory/2592-103-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-76-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-109-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-112-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-115-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-118-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-121-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-125-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/2592-128-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/3004-68-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/3004-69-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/3004-72-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download
memory/3004-73-0x0000000000400000-0x000000000060D000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing