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

dldfpuf.info

http://dldfpuf.info/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec9c9a3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4132-84-0x0000000002520000-0x00000000025C2000-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

3516 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
3276 audialstunebite.exe
4132 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

pid process

3516 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.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 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

3516 6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

pid	process
3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
3276	audialstunebite.exe
4132	audialstunebite.exe

pid	process
3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp

description	pid	process	target process
PID 5032 wrote to memory of 3516	5032	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 5032 wrote to memory of 3516	5032	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 5032 wrote to memory of 3516	5032	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.exe	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
PID 3516 wrote to memory of 3276	3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 3516 wrote to memory of 3276	3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 3516 wrote to memory of 3276	3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 3516 wrote to memory of 4132	3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 3516 wrote to memory of 4132	3516	6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp	audialstunebite.exe
PID 3516 wrote to memory of 4132	3516	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:5032

C:\Users\Admin\AppData\Local\Temp\is-B31VE.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-B31VE.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp" /SL5="$801FE,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:3516

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:3276

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:4132

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

Loading Replay Monitor...

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-B31VE.tmp\6c018d0bfe3f19ca33049209757f339009ee53b3ac85544ab6e4e910e4b9d7c3.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
\Users\Admin\AppData\Local\Temp\is-7NQ6K.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3276-64-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/3276-59-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/3276-61-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/3516-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3516-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4132-78-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-110-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-130-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-69-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-72-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-75-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-125-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-81-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-84-0x0000000002520000-0x00000000025C2000-memory.dmp

Filesize
648KB

Download
memory/4132-86-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-91-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-94-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-97-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-100-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-103-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-106-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-122-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-113-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-116-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/4132-119-0x0000000000400000-0x000000000069B000-memory.dmp

Filesize
2.6MB

Download
memory/5032-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5032-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5032-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing