socks5systemz | 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652

Analysis

max time kernel
141s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 19:00

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General

Target

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe
Size

5.1MB
MD5

084206f8a2da42650f43f9e7f8b9637c
SHA1

eb4c2d83f238c11a1f14dcb15196084521dc1df2
SHA256

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652
SHA512

7c49fa10df23e73d7cb4045606266a0985ac3eefbf54c522220f0e5563508c776dba2985b4bdb5735bcc591f93bb01b15935edf2e865e16f49a329880448c675
SSDEEP

98304:CGdOA4Di92asc8zOc5TfARThpGFK6WZYizIvWulzJ836pWqNzgbiYVw7FQLQxy:VdOSjvc5TfCpGF7WZx+zJ83qW2XR7FY1

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4684-89-0x0000000000B80000-0x0000000000C22000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

1552 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
5104 mp3doctorfree32_64.exe
4684 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

pid process

1552 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.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:

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

pid process

1552 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

resource	yara_rule
behavioral2/memory/4684-89-0x0000000000B80000-0x0000000000C22000-memory.dmp	family_socks5systemz

pid	process
1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
5104	mp3doctorfree32_64.exe
4684	mp3doctorfree32_64.exe

pid	process
1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp

description	pid	process	target process
PID 2440 wrote to memory of 1552	2440	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
PID 2440 wrote to memory of 1552	2440	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
PID 2440 wrote to memory of 1552	2440	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
PID 1552 wrote to memory of 5104	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe
PID 1552 wrote to memory of 5104	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe
PID 1552 wrote to memory of 5104	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe
PID 1552 wrote to memory of 4684	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe
PID 1552 wrote to memory of 4684	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe
PID 1552 wrote to memory of 4684	1552	9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe
"C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2440

C:\Users\Admin\AppData\Local\Temp\is-MU559.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
"C:\Users\Admin\AppData\Local\Temp\is-MU559.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp" /SL5="$40216,5071409,54272,C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1552

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:5104

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:4684

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
e185b9f099ad411e3a44089343d0ccdb

SHA1
013e998679318e81adb34d7f4b84d08b1d8bb477

SHA256
465f024a7041b441d337bf71c9b1f2b85d1bb3af3e35d8a8607a3d95922d75ab

SHA512
df49c9295c3ca2ce4f1d790f3d1a0cf32919436fdfc452bbbebd777874c455474fdb99a0382ed3a80edfcf2b9e494e930e87ee9d9c42026c98c67c2f6b4f60b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KAH4L.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MU559.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
memory/1552-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1552-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2440-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2440-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2440-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4684-72-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-101-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-117-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-69-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-114-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-68-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-110-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-75-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-76-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-79-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-82-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-85-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-89-0x0000000000B80000-0x0000000000C22000-memory.dmp

Filesize
648KB

Download
memory/4684-88-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-95-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-98-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-107-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/4684-104-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/5104-59-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/5104-63-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/5104-65-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/5104-60-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download