Analysis
-
max time kernel
145s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
24/03/2024, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe
Resource
win11-20240319-en
General
-
Target
b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe
-
Size
2.0MB
-
MD5
1881c97656dcb5b8bd49adb319670843
-
SHA1
3cd15e163ff80fecea80380ebed4cb86528fbd1f
-
SHA256
b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935
-
SHA512
4cb9ffbb2546bb4d3f3fb07dd4c704a51e9515d7d2d1d71a6caf2a523643be46a6a4473d0113923ce546deb9870bdc149a12159755051ada89d3e32d0c483642
-
SSDEEP
49152:32UpWMZfDCqihgpMC5uOpTrpNIQFFFFYYS99I:mYZ+PUwCrvVbFFY7jI
Malware Config
Extracted
socks5systemz
http://ayzahmh.ru/search/?q=67e28dd83e58f128495cab1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c9ec9c9c3d
Signatures
-
Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral2/memory/580-68-0x0000000002330000-0x00000000023D2000-memory.dmp family_socks5systemz behavioral2/memory/580-78-0x0000000002330000-0x00000000023D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 5804 sitefreeedition.exe 580 sitefreeedition.exe -
Loads dropped DLL 1 IoCs
pid Process 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 -
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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2836 wrote to memory of 5104 2836 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe 81 PID 2836 wrote to memory of 5104 2836 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe 81 PID 2836 wrote to memory of 5104 2836 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe 81 PID 5104 wrote to memory of 5804 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 82 PID 5104 wrote to memory of 5804 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 82 PID 5104 wrote to memory of 5804 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 82 PID 5104 wrote to memory of 580 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 83 PID 5104 wrote to memory of 580 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 83 PID 5104 wrote to memory of 580 5104 b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe"C:\Users\Admin\AppData\Local\Temp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Local\Temp\is-VHI0D.tmp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp"C:\Users\Admin\AppData\Local\Temp\is-VHI0D.tmp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp" /SL5="$800DA,1783347,54272,C:\Users\Admin\AppData\Local\Temp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
PID:5804
-
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
PID:580
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.0MB
MD5451dcf0ec2e3f43096883f662fa92b86
SHA1149723d39f6e3fa23adea52420f415d1b7725e8f
SHA256d9bcebd225e9abe2cf9eaa0479997e756eeab2b607cc14be27e562e08887b021
SHA512a6f0d7e342b78f2025c859fb9d0e0e0887edcb6f8d086c8206b8974f91a5374cc3045dfb9876e4c4fcf64da75d37fd6b822318caf4f9ecb7d15f391f6c973c87
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-VHI0D.tmp\b828f827c6a16bd3c021fccb39d6da6225cf7f7ae901226caea8e1ccda3b2935.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af