Analysis
-
max time kernel
148s -
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
24-06-2024 16:02
Static task
static1
Behavioral task
behavioral1
Sample
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe
Resource
win11-20240508-en
General
-
Target
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe
-
Size
4.9MB
-
MD5
9ca3970fe5f93d9424c03fa47ecd4285
-
SHA1
f46532ed70ef33837a56ed8e54c1583ba05200c6
-
SHA256
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860
-
SHA512
995e35d41276d8002d926427f0f4d00db2066c715b0129ca3ac0f5b2bea7ec9b73b9081cc3534a2154db27dc7048d78ed0f3d4917d82938acc2a622aa36f62e1
-
SSDEEP
98304:mfH8K6Wpu8X7BTR9Z2wZrWoIcbbZwHTV26uqGDjXvKU6nz+duPQ2RPfk:aH8Kbpu8LBTXZ2wlWoIcbVwz45jXvNBX
Malware Config
Extracted
socks5systemz
dijhwxu.info
Signatures
-
Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1764-88-0x0000000000A60000-0x0000000000B02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmpwinypux32.exewinypux32.exepid process 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp 2860 winypux32.exe 1764 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmppid process 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp -
Unexpected DNS network traffic destination 3 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 Destination IP 45.155.250.90 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 FindShellTrayWindow 1 IoCs
Processes:
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmppid process 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmpdescription pid process target process PID 3324 wrote to memory of 1768 3324 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp PID 3324 wrote to memory of 1768 3324 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp PID 3324 wrote to memory of 1768 3324 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp PID 1768 wrote to memory of 2860 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe PID 1768 wrote to memory of 2860 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe PID 1768 wrote to memory of 2860 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe PID 1768 wrote to memory of 1764 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe PID 1768 wrote to memory of 1764 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe PID 1768 wrote to memory of 1764 1768 75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp winypux32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe"C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp"C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp" /SL5="$700D8,4907698,54272,C:\Users\Admin\AppData\Local\Temp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:2860
-
-
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:1764
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\is-ADSVJ.tmp\75919255e32f56f3c64705f9323ad0a30b214781001a68e25a40917f5e65b860.tmp
Filesize680KB
MD51ba800b04f640841e63e4852f38023bd
SHA1908eaed8abe8ae2ae9b6bc5f424c80d9c4f07ade
SHA256314abc3aae737dcb97089ee410fe3fa7a047840b9906de8d81ec597bd783bb9c
SHA512f8bf9180b273f355ca202579a4ef0cdf7cd84011d54bda88d825389c00a031f67d6bfe6692911b9c1998404c8f069c391fd2a245970f18e93afc7bb692c14dd7
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
2.9MB
MD5b1c5d7ef1d81920ae51fde871886bfe4
SHA1448bd294c8873f91dca5ff292c2f79ce6c8e159c
SHA256a2c5948c3e9bfe84a56054d839b68b3d081c5df5cdadd1e480613bc5968f27b4
SHA5120cfda10f590291192750d2996fabf68132f5184a6527d8d027cb8d75c24db089c9b03c54033539cfa4c4c9c8387d6f1c1ab7154258ed7e0e27c309163ff9120b