socks5systemz | f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a

General

Target

f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe
Size

4.6MB
MD5

e9052eefb8c376ed694309a2b8cb02ad
SHA1

59b58b442c7be61f454858d18238edee69ede515
SHA256

f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a
SHA512

2a5c8f74ee108c8e7aa5427f0e50065d3db2a8ddd3fb50ca3029c136af6638e8ae1d75d77346df250fc67e52027ebceb6606e51cef7a4eb549db1db17a02b725
SSDEEP

98304:m747ZCBLdoVqv3/39w0ige9DXDgssLrjOWpg+cOongLoY/ky:OwCX7vf9wllXDglLrjOWcOUgLo/y

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bhhlmbx.com

http://bhhlmbx.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8cff19c7ea93

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2788-92-0x0000000002600000-0x00000000026A2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
2864	dibelius32_64.exe
2788	dibelius32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.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	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

pid	Process
3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 1992 wrote to memory of 3052	1992	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe	28
PID 3052 wrote to memory of 2864	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	29
PID 3052 wrote to memory of 2864	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	29
PID 3052 wrote to memory of 2864	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	29
PID 3052 wrote to memory of 2864	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	29
PID 3052 wrote to memory of 2788	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	30
PID 3052 wrote to memory of 2788	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	30
PID 3052 wrote to memory of 2788	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	30
PID 3052 wrote to memory of 2788	3052	f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp	30

C:\Users\Admin\AppData\Local\Temp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe
"C:\Users\Admin\AppData\Local\Temp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\is-QA1KO.tmp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QA1KO.tmp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp" /SL5="$4010A,4537591,54272,C:\Users\Admin\AppData\Local\Temp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe
    "C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2864
- - C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe
    "C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe

Filesize
2.6MB

MD5
42a44620efede19532522ebfa7ff9715

SHA1
5dd5c01284bc63dde55292cb3e232c3231e22288

SHA256
e30f2c99ab651e5e9f39546834dccd51560ba86248f0e4066d303721e873231c

SHA512
04fa50bdd6ead5e8b28a5834d712196824f1b81d5aa49a9bb9e3357cb68acb4dce9f2cf57a0a00146a4b194ce55203f81be7275f2cca8e5ec2bcc8e6435661cf

Download Submit
\Users\Admin\AppData\Local\Temp\is-NMDK4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-NMDK4.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-QA1KO.tmp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp

Filesize
680KB

MD5
4adfcbea602414a455f42f459c1b7d58

SHA1
b90292e08ddb9c5c71ea6946ef1cd1b880cfdd52

SHA256
3b04946c947b735a7a35ad09b0af29e1b1dd226b8a4be7b9f76efb7fff375aea

SHA512
e674e193ce31522e86460ca4c1379ae4c99e2a644f8ec974ff86eaf07e2bea82415d21c58f608324ef20bd3930cdbe3f3482ed74ab6c33a4e62aaf8cd9652960

Download Submit
memory/1992-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1992-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1992-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-107-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-113-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-137-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-132-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-129-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-126-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-75-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-123-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-79-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-82-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-85-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-88-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-91-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-92-0x0000000002600000-0x00000000026A2000-memory.dmp

Filesize
648KB

Download
memory/2788-98-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-101-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-104-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-120-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-110-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2788-117-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2864-65-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2864-70-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/2864-66-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/3052-63-0x00000000034A0000-0x000000000373F000-memory.dmp

Filesize
2.6MB

Download
memory/3052-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3052-78-0x00000000034A0000-0x000000000373F000-memory.dmp

Filesize
2.6MB

Download
memory/3052-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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