Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 16:32
Static task
static1
Behavioral task
behavioral1
Sample
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe
Resource
win11-20240426-en
General
-
Target
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe
-
Size
5.6MB
-
MD5
449af8064c672a0d1adccccb3e0b0063
-
SHA1
e0d2f472defd2ab5ecc900b62a981a8615909e41
-
SHA256
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b
-
SHA512
d0d8b3b4919ca24b549ff31b2c92bd78885904ad8cd73716fd6628aff354342b7e1352d5ba9f3f9a9b67f9e6dd1fb7ee04b8acb2ef2a503825e64f2ae8e047d5
-
SSDEEP
98304:mX4pXMZp4K+ENDPaj1R1yraIswWic39gtbm+eneHtWXYJ0Y4xZCaPaWC:4kXMZyhENDPSocwWPtyeneHtWXBY4xZu
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1972-94-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral1/memory/1972-117-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral1/memory/1972-118-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp5kplayer32.exe5kplayer32.exepid process 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 1348 5kplayer32.exe 1972 5kplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmppid process 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.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.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmppid process 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exec4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmpdescription pid process target process PID 452 wrote to memory of 2944 452 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp PID 452 wrote to memory of 2944 452 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp PID 452 wrote to memory of 2944 452 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp PID 2944 wrote to memory of 1348 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe PID 2944 wrote to memory of 1348 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe PID 2944 wrote to memory of 1348 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe PID 2944 wrote to memory of 1972 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe PID 2944 wrote to memory of 1972 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe PID 2944 wrote to memory of 1972 2944 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp 5kplayer32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe"C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp"C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp" /SL5="$701EC,5624554,54272,C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:1348
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
PID:1972
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD54825b2dade50eaf35410ce1df5f8abb9
SHA15de1c04df7e9939a191f09718960b476e69599b2
SHA256a0afb962a2b35ca01927d08ee6785426de264f55550fae8323b9c1b7b77cc450
SHA51252f3687c33e4b51ca4e1d206a2521406fdffa66a9446974687bbea92cae4b5236964f245af9b882bfdb06e0b8388e8e21a89a48f8885a5239c367e697f7e086c
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
-
C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
Filesize680KB
MD50618c738cf49fa5f045702c69585d459
SHA1c71706644125d08fabf067cbe06030fb9795a2e8
SHA25632d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a