socks5systemz | 451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 21:54

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General

Target

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe
Size

5.1MB
MD5

cd591ebef2fb36e6d0c67b0237d3b1be
SHA1

2bea8eaa1e588a0f7fc3a73044d7b10a43659441
SHA256

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419
SHA512

29ccd09717fe83c8d7dddae145a4a446550a3a6c7a7656a1cd9add832d8003177e4d73df23047e45c7a1950434549c1d9f4756f8d1b7f537675f9b8880f5ce7c
SSDEEP

98304:CEYQC32wcQ37FUnAh6faD0bIdGFqC21B5oVfQWcl2+tUQxy:VYDPl3CVaD0ctCWjoV7TiUQE

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4908-87-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

4832 451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
1524 mp3doctorfree32_64.exe
4908 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

pid process

4832 451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.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:

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

pid process

4832 451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

resource	yara_rule
behavioral2/memory/4908-87-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz

pid	process
4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
1524	mp3doctorfree32_64.exe
4908	mp3doctorfree32_64.exe

pid	process
4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp

description	pid	process	target process
PID 4880 wrote to memory of 4832	4880	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
PID 4880 wrote to memory of 4832	4880	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
PID 4880 wrote to memory of 4832	4880	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
PID 4832 wrote to memory of 1524	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe
PID 4832 wrote to memory of 1524	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe
PID 4832 wrote to memory of 1524	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe
PID 4832 wrote to memory of 4908	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe
PID 4832 wrote to memory of 4908	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe
PID 4832 wrote to memory of 4908	4832	451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe
"C:\Users\Admin\AppData\Local\Temp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4880

C:\Users\Admin\AppData\Local\Temp\is-4JSK0.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4JSK0.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp" /SL5="$501AC,5141152,54272,C:\Users\Admin\AppData\Local\Temp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4832

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:1524

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4908

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

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Downloads

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
Filesize
3.8MB

MD5
0918c3dc6a1e6cce306fa4ff996e66bb

SHA1
abb776446c0697a8ae8c790a0c838ea5d1fbf406

SHA256
6ed20f480c9170a3e77e0c8e1ac4a0eea697be7e9d9199c19dbde47ccada3ed3

SHA512
e9f8e550e91e4b4d09cb63c0c6bd263d89c461687a32e6d68642441818c65f216cd79fc117cb6e92252567fb0a4c09142ac95f828da1bfc860dd65de02b7017d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4JSK0.tmp\451e864c9675147a8faeca70522efbcff3b8b573b51d321d978dd57cfb16d419.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TTD2C.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1524-60-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/1524-59-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/1524-63-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4832-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4832-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4880-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4880-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4908-74-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-93-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-73-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-67-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-77-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-80-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-83-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-86-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-87-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/4908-70-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-96-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-99-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-102-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-105-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-108-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-112-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4908-115-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download