Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/08/2024, 00:05
Static task
static1
Behavioral task
behavioral1
Sample
45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe
Resource
win11-20240802-en
General
-
Target
45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe
-
Size
4.5MB
-
MD5
22119fde83b2188167f2dc89cb6a4401
-
SHA1
3ba3603c55c1c04f233ea2486b0843118c6b587a
-
SHA256
45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427
-
SHA512
e7932a2e3c99bccca18fd9626d718ceb36e56ee6f755b07a3dce1c416e5fac2dc0cb30977ff1a162ee2f8b70f2d7a95d92f465a7739deef92dfe80049f12fcb1
-
SSDEEP
98304:N9kqcu1XXGYuCVDnbKXSd7Q77l2aOkF1uLM2MCHIXQHrNupZFMt0K1ziRodJ:R1XDnKcE7VOkmLMQoArNupLaR1ziRoD
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2920-84-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/2920-109-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/2920-110-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 4712 avicodec32_64.exe 2920 avicodec32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.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 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.
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language avicodec32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language avicodec32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3068 wrote to memory of 468 3068 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe 78 PID 3068 wrote to memory of 468 3068 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe 78 PID 3068 wrote to memory of 468 3068 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe 78 PID 468 wrote to memory of 4712 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 79 PID 468 wrote to memory of 4712 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 79 PID 468 wrote to memory of 4712 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 79 PID 468 wrote to memory of 2920 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 80 PID 468 wrote to memory of 2920 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 80 PID 468 wrote to memory of 2920 468 45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp"C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp" /SL5="$120228,4423076,54272,C:\Users\Admin\AppData\Local\Temp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:468 -
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4712
-
-
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2920
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4.1MB
MD56e8656d67ad031773a268d55a907c76e
SHA11aed2ceccb9e92ab8bdcb21e501d2b6b94ffdfc6
SHA256699d3bb069933297285c810089904402580d1aeeef879c2042a79e544f10951e
SHA5128ba6df3138847874d8653b7bf0768e43c409dc45fb413cfd922506b4a52d8f438879ae13bbb961216e943d56ee7dfd7cdd11be454893040489179890b8238831
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
-
C:\Users\Admin\AppData\Local\Temp\is-VISGA.tmp\45bc5a4aff406b019c4b132bd82a8c8e0cb2419c852eb886798824e33782d427.tmp
Filesize692KB
MD585fc5b8836d8625fbfa40a092386e645
SHA1a90bb83f5d8d024bb357a44682267a50406071d6
SHA2566dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950
SHA512c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae