socks5systemz | 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3

General

Target

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe
Size

4.7MB
MD5

5db362746c1c34c46dc6a0f2a36a59d0
SHA1

edc8b09883f157cdad8c56bb55b175604b8cb3ef
SHA256

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3
SHA512

a4ed8de9dd07f299fbd748f37240a7f0e73e5ec2cce47d27a8a9135469c552ce5d6f401c42e9311ff619e69a83b2f9837f7d5609aa7236239a04bf3e4cbfa0d6
SSDEEP

98304:mZhBg2fDEq3uvXiEh2fWERdI1NAPkC3zoPGQaPn:EhBNEWpeE01NAPkmoOH/

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bnqhfnw.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1072-84-0x0000000000A50000-0x0000000000AF2000-memory.dmp	family_socks5systemz

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

Processes:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmpaudialstunebite.exeaudialstunebite.exe

pid process

232 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
3772 audialstunebite.exe
1072 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

pid process

232 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
Destination IP 91.211.247.248
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:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

pid process

232 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

pid	process
232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
3772	audialstunebite.exe
1072	audialstunebite.exe

pid	process
232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

description	pid	process	target process
PID 2244 wrote to memory of 232	2244	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 2244 wrote to memory of 232	2244	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 2244 wrote to memory of 232	2244	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 232 wrote to memory of 3772	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 232 wrote to memory of 3772	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 232 wrote to memory of 3772	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 232 wrote to memory of 1072	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 232 wrote to memory of 1072	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 232 wrote to memory of 1072	232	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe
"C:\Users\Admin\AppData\Local\Temp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\is-O5B42.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-O5B42.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp" /SL5="$5006C,4635357,54272,C:\Users\Admin\AppData\Local\Temp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:232

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:3772

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:1072

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

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
Filesize
2.6MB

MD5
eb20b2d87033a441231c4f06ff747a68

SHA1
0850758aa9b3559ef6f8f594b9e606c63f5a1163

SHA256
4f6fc72c6dc46b93f92583cbe9e430ff3cee400dcc76c3405766d449e26e2250

SHA512
a651abde5129c6ea4c00679bafbecd1a6935c60cb99226dfb717ce4f921515e1fe02656028e18c75862f87f9a9f22e696b1b646d05146b4aad2b9d8562a8c732

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5O3FG.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O5B42.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
memory/232-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/232-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1072-97-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-74-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-115-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-112-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-67-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-68-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-109-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-106-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-71-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-100-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-77-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-80-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-83-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-84-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/1072-89-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-94-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/1072-103-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/2244-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2244-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3772-62-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/3772-60-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/3772-63-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download

Analysis

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