Analysis
-
max time kernel
142s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-05-2024 15:57
Static task
static1
Behavioral task
behavioral1
Sample
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
Resource
win11-20240508-en
General
-
Target
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
-
Size
5.5MB
-
MD5
c041ef0dd855b282f28d8bd6ff5f82b9
-
SHA1
2bedcdf862a8622e1e681548b35a175aa94f68cf
-
SHA256
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e
-
SHA512
d97d7d34ee6e3b7cfc62af3ec3285e9f02c1eab8506d5e8ac1e8f88f22aa55e5a0cdaf76f0955fad816144d7baa6d9dd10a9d393817408d9597fab51cbb135ba
-
SSDEEP
98304:mTvlDZjrUjB/rlaUv47mkHCdFg7zIyvF4gIA5E1i1gXGKP7OJZkrC:ijrIPv47mkHC7g7Mg+xwuGKjMZx
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3068-93-0x0000000000A70000-0x0000000000B12000-memory.dmp family_socks5systemz behavioral2/memory/3068-118-0x0000000000A70000-0x0000000000B12000-memory.dmp family_socks5systemz behavioral2/memory/3068-119-0x0000000000A70000-0x0000000000B12000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp5kplayer32.exe5kplayer32.exepid process 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 2156 5kplayer32.exe 3068 5kplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmppid process 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.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 91.211.247.248 -
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:
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmppid process 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exeb3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmpdescription pid process target process PID 4408 wrote to memory of 4696 4408 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp PID 4408 wrote to memory of 4696 4408 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp PID 4408 wrote to memory of 4696 4408 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp PID 4696 wrote to memory of 2156 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe PID 4696 wrote to memory of 2156 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe PID 4696 wrote to memory of 2156 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe PID 4696 wrote to memory of 3068 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe PID 4696 wrote to memory of 3068 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe PID 4696 wrote to memory of 3068 4696 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp 5kplayer32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp"C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp" /SL5="$70250,5549854,54272,C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:2156
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
PID:3068
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD501f2c69f3b8f2e5d86870189e3cda680
SHA1a90a1a615bdd2e189315130b1d1ec7539dfb38d7
SHA25637debc79084e3704939fed00ba07088b43bf257a225f5ac729f2093ed36a0f93
SHA5129f9064b51a2fde4c74052af80db2a2fda91aec61420bf8900d9a02085ee93c7eaac1d80d5d5a63dc094122fabcdc30e71808391d2e11e93f450e8de3449cdfd4
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
-
C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
Filesize680KB
MD50618c738cf49fa5f045702c69585d459
SHA1c71706644125d08fabf067cbe06030fb9795a2e8
SHA25632d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a