Analysis
-
max time kernel
143s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 11:31
Static task
static1
Behavioral task
behavioral1
Sample
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe
Resource
win11-20240426-en
General
-
Target
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe
-
Size
4.8MB
-
MD5
55e48883961e3231eeda6a3ac32b15c1
-
SHA1
f079dfa9ac2ef341c70aa3638457f17ab4e14558
-
SHA256
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd
-
SHA512
1fb2a42b43a37f361110d9e205012c00464511b5f2f6f0749ef8192655e03ed37c3abbcc81a25d2ebcc6c6f667f48b4a9d7f884d0220589492dc5753ff6b71e4
-
SSDEEP
98304:mxpNOQu62zLF/FMLpnrYuCVt1H71k3nUhe9FZSCGq9Z4BGSmdWtoOg:Cxu9/OLpr/AtF1+Uh8LSjq71Kor
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/3652-87-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/3652-112-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz behavioral1/memory/3652-111-0x0000000000930000-0x00000000009D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp5kplayer.exe5kplayer.exepid process 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 1236 5kplayer.exe 3652 5kplayer.exe -
Loads dropped DLL 1 IoCs
Processes:
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmppid process 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.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.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmppid process 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmpdescription pid process target process PID 4656 wrote to memory of 4432 4656 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp PID 4656 wrote to memory of 4432 4656 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp PID 4656 wrote to memory of 4432 4656 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp PID 4432 wrote to memory of 1236 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe PID 4432 wrote to memory of 1236 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe PID 4432 wrote to memory of 1236 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe PID 4432 wrote to memory of 3652 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe PID 4432 wrote to memory of 3652 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe PID 4432 wrote to memory of 3652 4432 3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp 5kplayer.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe"C:\Users\Admin\AppData\Local\Temp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\is-0ILJO.tmp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp"C:\Users\Admin\AppData\Local\Temp\is-0ILJO.tmp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp" /SL5="$A01D0,4739961,54272,C:\Users\Admin\AppData\Local\Temp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i3⤵
- Executes dropped EXE
PID:1236
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s3⤵
- Executes dropped EXE
PID:3652
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.0MB
MD51faa384f13689b6fdebba8b00028e9cf
SHA14aea8811b1e3fa6b2384db40254718ff859cf1e7
SHA256a182532a8b163d3633745eb9ac2a721a38650bea77a00c56703cee8bb76a8ff4
SHA51235819ccdf434ef123a0c12bbb22cba88a1d9a47bc8124fff790a8cc66abbbfe1f1b08e0d1f12afbfa5f44b68f5e079d50a05ef7fe54fe81629efadf210300f6f
-
C:\Users\Admin\AppData\Local\Temp\is-0ILJO.tmp\3a73812658d728653d04f0c5d49e028b38e0c1015db4d5084e70abde63bd71dd.tmp
Filesize680KB
MD52147d68d1e5f1da63ca70612f4181ce6
SHA1517ecefc93c258b1bc05ee5433e3a328a6f9168a
SHA2563ba1867d2ba6b3db3c6c4c5fa238246fd4351f337c4e167e97eb25e2a5f0b181
SHA512bc4a5e0a2e83e39005b6e3d470681741435a7b06f182162c3a72a96b0f763cb5a80eaad7e936216ac21c00d00b07e429149f0d4e1869868b6e469b1427ed8188
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63