socks5systemz | 66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050

General

Target

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe
Size

4.9MB
MD5

597cd753d6cacec49e9444c3e84189b0
SHA1

042010cc2cb64d8775a4b62f6651fc902f02249d
SHA256

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050
SHA512

4bdd328a1deb1752f44a81e76a2264a19cad093fb5ce43635be0af9a1f7d3dada02d96df0312d01fd66322fd5e080fa2968b18ddcb899a0125250e5a65bc7c8d
SSDEEP

98304:m7ZuKbG9rWB851SQDmv/YymbABHqn6FAIgMPL5v1DL7hBg8IrQpCbXsk:WZuOGW61Swirm+qfIgy5Rvgvc+8k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

boujcdo.com

http://boujcdo.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c4ec95923e

http://boujcdo.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8649845a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d923fce6f9e13

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4856-86-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4856-110-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4856-111-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz

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

Processes:

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

2752 66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
1136 audialstunebite32_64.exe
4856 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

pid process

2752 66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.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:

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

pid process

2752 66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

pid	process
2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
1136	audialstunebite32_64.exe
4856	audialstunebite32_64.exe

pid	process
2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp

description	pid	process	target process
PID 4640 wrote to memory of 2752	4640	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
PID 4640 wrote to memory of 2752	4640	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
PID 4640 wrote to memory of 2752	4640	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
PID 2752 wrote to memory of 1136	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe
PID 2752 wrote to memory of 1136	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe
PID 2752 wrote to memory of 1136	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe
PID 2752 wrote to memory of 4856	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe
PID 2752 wrote to memory of 4856	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe
PID 2752 wrote to memory of 4856	2752	66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe
"C:\Users\Admin\AppData\Local\Temp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4640

C:\Users\Admin\AppData\Local\Temp\is-NC8FO.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
"C:\Users\Admin\AppData\Local\Temp\is-NC8FO.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp" /SL5="$4021A,4873376,54272,C:\Users\Admin\AppData\Local\Temp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2752

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:1136

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:4856

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
2.4MB

MD5
5ee79ca53483ee8c17b0ba572485b1de

SHA1
e6f61cdd233249afc42853557a387d6ab093ed10

SHA256
8d3bdc9d4ad2db9f3f5cbc38cdcae4d271a5250284252ec98e84d739e6d112b1

SHA512
a9bb745c7eab2d2b8b4fd271b7cb8ca743c8ae08f83942c6a6b8c14136a5ecb6fd70c3a17341ae3ce05b412d0129033ca23920471a7c3e1df7b5828eb174f20e

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NC8FO.tmp\66e48eee7a9ed2c62238638d9918d7875700a507b8280f0a89cee814ddfac050.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
memory/1136-59-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1136-61-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1136-64-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/1136-65-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/2752-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2752-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4640-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4640-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4640-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-74-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-97-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-68-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-77-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-80-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-83-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-86-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4856-88-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-94-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-71-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-100-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-103-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-106-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-109-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-110-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4856-111-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/4856-115-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4856-118-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download

Analysis

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