socks5systemz | 8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0

General

Target

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe
Size

5.1MB
MD5

aca938783a0c6538637449a736a2a9fe
SHA1

a611585e0c8fdb757f7447fae31071be435a7b53
SHA256

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0
SHA512

8f6826e24fb5b4d42be920449697a3f6f42f9e3e3403c7ee68ab4922e2e936786b1495d9267355528349db61069fd5d9a9168fdca6371195f6fe74610de3c4d0
SSDEEP

98304:mROJDJLaZRzbODF2D90A+B1A6hkjTKJZRdAzwatBq8mY3hAxARNXGyn4y9TCSrv7:57uCFE0AA1AOkvsnIwaLqZe8rUdD8k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dllbgao.info

http://dllbgao.info/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c2ed919e3a

http://dllbgao.info/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12eab517aa5c96bd86ef9c804c895a8bbc896c58e713bc90c91d36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9239cf6b9217

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3304-86-0x0000000002530000-0x00000000025D2000-memory.dmp	family_socks5systemz
behavioral1/memory/3304-108-0x0000000002530000-0x00000000025D2000-memory.dmp	family_socks5systemz
behavioral1/memory/3304-109-0x0000000002530000-0x00000000025D2000-memory.dmp	family_socks5systemz

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

Processes:

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

3420 8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
696 audialstunebite32_64.exe
3304 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

pid process

3420 8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.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:

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

pid process

3420 8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

pid	process
3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
696	audialstunebite32_64.exe
3304	audialstunebite32_64.exe

pid	process
3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp

description	pid	process	target process
PID 3672 wrote to memory of 3420	3672	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
PID 3672 wrote to memory of 3420	3672	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
PID 3672 wrote to memory of 3420	3672	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
PID 3420 wrote to memory of 696	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe
PID 3420 wrote to memory of 696	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe
PID 3420 wrote to memory of 696	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe
PID 3420 wrote to memory of 3304	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe
PID 3420 wrote to memory of 3304	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe
PID 3420 wrote to memory of 3304	3420	8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe
"C:\Users\Admin\AppData\Local\Temp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3672

C:\Users\Admin\AppData\Local\Temp\is-TEEJH.tmp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TEEJH.tmp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp" /SL5="$18014E,5126010,54272,C:\Users\Admin\AppData\Local\Temp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3420

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i
3⤵
- Executes dropped EXE
PID:696

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3304

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\audialstunebite32_64.exe
Filesize
2.7MB

MD5
13d79d414fbac92eb8210f07f204925a

SHA1
ca57df93c8f31c1317617147ee74903135d83d53

SHA256
4d95dd9318bfea30619b926800eeb308bf3332ee2715dedebe4c4872df177ecc

SHA512
982c4ddbf3daa140d5f9ea2cd8ac89dc4c8c20b814086bdc5b839949f6fbf19b85baec71f50a8f06742727d84e77ed9e5f28f58b9f115c37f8187e485deff667

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-P7AQG.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TEEJH.tmp\8292013c60f6e8b7b22d8d0f08772a6640fc1fd7f41b3d40f64b833e27873fe0.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
memory/696-61-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/696-65-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/696-62-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/696-59-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-74-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-86-0x0000000002530000-0x00000000025D2000-memory.dmp

Filesize
648KB

Download
memory/3304-117-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-68-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-114-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-110-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-71-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-109-0x0000000002530000-0x00000000025D2000-memory.dmp

Filesize
648KB

Download
memory/3304-77-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-80-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-83-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-108-0x0000000002530000-0x00000000025D2000-memory.dmp

Filesize
648KB

Download
memory/3304-88-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-93-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-96-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-99-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-102-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3304-105-0x0000000000400000-0x00000000006AC000-memory.dmp

Filesize
2.7MB

Download
memory/3420-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3420-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3672-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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