socks5systemz | ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3

Analysis

max time kernel
141s
max time network
128s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 04:36

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General

Target

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe
Size

5.1MB
MD5

9529d69d7981817f05726ba5a84b7a1f
SHA1

c7bfdb6056d584d93b1e419319a961e0093b55a1
SHA256

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3
SHA512

2350d22be4f10feb114a84dda562c774501d3f462c7893537c42901d70f064f0de8004e92934391ce81b245ecb8e3d40cf6afabbd15f82aa718870a81bd595ec
SSDEEP

98304:Cnw/Yxqs8WBl5wYNY3kJK7axf6/XhC9htJsGhzmHQaomKV9X8ugu9qSLZQxq:owEttf6/RC9HtEQaM9X8uguqSLZQU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1704-86-0x0000000000C10000-0x0000000000CB2000-memory.dmp	family_socks5systemz
behavioral2/memory/1704-112-0x0000000000C10000-0x0000000000CB2000-memory.dmp	family_socks5systemz
behavioral2/memory/1704-113-0x0000000000C10000-0x0000000000CB2000-memory.dmp	family_socks5systemz

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

Processes:

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmpudadvdfreeripper.exeudadvdfreeripper.exe

pid process

2508 ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
768 udadvdfreeripper.exe
1704 udadvdfreeripper.exe
Loads dropped DLL 1 IoCs

Processes:

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

pid process

2508 ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.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 141.98.234.31
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:

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

pid process

2508 ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

pid	process
2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
768	udadvdfreeripper.exe
1704	udadvdfreeripper.exe

pid	process
2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.execa3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp

description	pid	process	target process
PID 4760 wrote to memory of 2508	4760	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
PID 4760 wrote to memory of 2508	4760	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
PID 4760 wrote to memory of 2508	4760	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
PID 2508 wrote to memory of 768	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe
PID 2508 wrote to memory of 768	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe
PID 2508 wrote to memory of 768	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe
PID 2508 wrote to memory of 1704	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe
PID 2508 wrote to memory of 1704	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe
PID 2508 wrote to memory of 1704	2508	ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp	udadvdfreeripper.exe

C:\Users\Admin\AppData\Local\Temp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe
"C:\Users\Admin\AppData\Local\Temp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4760

C:\Users\Admin\AppData\Local\Temp\is-9NDS3.tmp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9NDS3.tmp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp" /SL5="$50070,5109448,54272,C:\Users\Admin\AppData\Local\Temp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2508

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -i
3⤵
- Executes dropped EXE
PID:768

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -s
3⤵
- Executes dropped EXE
PID:1704

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-9NDS3.tmp\ca3a295389cb826bc70e8484f066f273ccaf5941ed2ebb440f65de77964e57f3.tmp
Filesize
680KB

MD5
73d28c764368b4c9ca92156d0574d0aa

SHA1
61e3af63e70c335f4ab04d9deed78a26a376c1ed

SHA256
96dee32375167e36ca57543e228445258862b34cb8830d74cc354715964306d5

SHA512
6d65e27a7a6c451f7a450b5ac01cd0884c7a482eed24d552f865106168f19bb9cdf1eea9fc87404a0655d6f984c6093d184b5b8dec7b2c532d4b9e5d507d4240

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MA1V8.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
Filesize
4.0MB

MD5
96d9920862bd80601b70817f8173758b

SHA1
1a3873bbb57dae238992b70b7f8bc6471dfbf45f

SHA256
7debfa19617a2431b83d8bc8c15f527d8509607963201c3a820f3318cdd40346

SHA512
f7be550788569a3cf6fb82840b102b1b1edde7093f032356a001f523e811cee1443c749fd3c5f15f725918d9bbf2a5490b669c8c82bf5f2d8a5043f553677351

Download Submit
memory/768-65-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/768-59-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/768-64-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/768-60-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-76-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-86-0x0000000000C10000-0x0000000000CB2000-memory.dmp

Filesize
648KB

Download
memory/1704-120-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-69-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-68-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-117-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-113-0x0000000000C10000-0x0000000000CB2000-memory.dmp

Filesize
648KB

Download
memory/1704-72-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-74-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-112-0x0000000000C10000-0x0000000000CB2000-memory.dmp

Filesize
648KB

Download
memory/1704-79-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-82-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-85-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-111-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-91-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-96-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-99-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-102-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-105-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/1704-108-0x0000000000400000-0x000000000080A000-memory.dmp

Filesize
4.0MB

Download
memory/2508-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2508-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4760-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4760-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download