socks5systemz | 14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997

General

Target

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe
Size

4.4MB
MD5

6e640d03a5f67423bfe85d0358d417fa
SHA1

5a5e55df0cd1ba1c2d62f5316ab667fc937df05e
SHA256

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997
SHA512

9fb80ac56be378ca36f454fc82e835a36db6ec8ef9c901744747a6dfe28ed769b494805387c7d0adbbc97e42b31d817215e131e514ee6d287292588c46f87187
SSDEEP

98304:mQYH438zCbitm9UycTSXQt9u1OHgAiY/Q+mwpLWzmDVhIS+WMdxjD2riG:443+CitigTSembIrmoLqaVp6PnQn

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

csqaubf.net

http://csqaubf.net/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c8e7929c33

http://csqaubf.net/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12eab517aa5c96bd86ec9d854d895a8bbc896c58e713bc90c91936b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d33c568901e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4512-83-0x00000000024D0000-0x0000000002572000-memory.dmp	family_socks5systemz
behavioral2/memory/4512-109-0x00000000024D0000-0x0000000002572000-memory.dmp	family_socks5systemz
behavioral2/memory/4512-110-0x00000000024D0000-0x0000000002572000-memory.dmp	family_socks5systemz

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

Processes:

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmpaudialstunebite.exeaudialstunebite.exe

pid process

3880 14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
4076 audialstunebite.exe
4512 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

pid process

3880 14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.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 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
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:

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

pid process

3880 14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

pid	process
3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
4076	audialstunebite.exe
4512	audialstunebite.exe

pid	process
3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp

description	pid	process	target process
PID 4360 wrote to memory of 3880	4360	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
PID 4360 wrote to memory of 3880	4360	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
PID 4360 wrote to memory of 3880	4360	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
PID 3880 wrote to memory of 4076	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe
PID 3880 wrote to memory of 4076	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe
PID 3880 wrote to memory of 4076	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe
PID 3880 wrote to memory of 4512	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe
PID 3880 wrote to memory of 4512	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe
PID 3880 wrote to memory of 4512	3880	14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe
"C:\Users\Admin\AppData\Local\Temp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4360

C:\Users\Admin\AppData\Local\Temp\is-I2ERM.tmp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
"C:\Users\Admin\AppData\Local\Temp\is-I2ERM.tmp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp" /SL5="$601E6,4407670,54272,C:\Users\Admin\AppData\Local\Temp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3880

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:4076

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:4512

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

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
Filesize
2.4MB

MD5
f07abeac433540f9a54c179979d82074

SHA1
03bb02dc3b23cf2ce59d2305c83e1eaa22b64797

SHA256
7041305bcabfaf56504b88c1a1b81b3c3513d46f6428dd52161266bcfbfa934e

SHA512
b2b32196d605b65727cdfee4fe77c11f13bb347a3eed89360bc3de18ed0aed7e6e78f74ec72340e9bb5f05d7df1be3b61bb1e88d4ffe92d51ec709275ab2cffb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9MHPJ.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I2ERM.tmp\14ba3a371be6f0a84d5026dd06af91012ba466bcbf36cbb2672a417fc4c3b997.tmp
Filesize
680KB

MD5
23f23fa5ae3e56ae0f625a846930859c

SHA1
eedb60b2cffa50c4aa9e5be8df8a65c0cc5916ae

SHA256
568997aae8c7c496a3ccad87c665b5c305e40016fb15d54cdc2d6bd9513320f0

SHA512
6d38a6046113f3c6120d02b51cf69dd2b21a76a66569022be690d2ee3ce6473bafbff9fdd32210a4a449a683e323795cb2aedb8df4895e33ec4a8954de86c9f9

Download Submit
memory/3880-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3880-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4076-59-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4076-64-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4076-61-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4360-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4360-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4360-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4512-76-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-96-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-73-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-67-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-79-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-82-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-83-0x00000000024D0000-0x0000000002572000-memory.dmp

Filesize
648KB

Download
memory/4512-88-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-93-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-70-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-99-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-102-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-105-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-108-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-109-0x00000000024D0000-0x0000000002572000-memory.dmp

Filesize
648KB

Download
memory/4512-110-0x00000000024D0000-0x0000000002572000-memory.dmp

Filesize
648KB

Download
memory/4512-114-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download
memory/4512-117-0x0000000000400000-0x0000000000668000-memory.dmp

Filesize
2.4MB

Download

Analysis

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