Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2024, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
Resource
win11-20240214-en
General
-
Target
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
-
Size
2.2MB
-
MD5
e4bbedd728a07b1b2941e5f59e90ccff
-
SHA1
7ae938d9e714370991b7015423e7ecf1ca18f5b6
-
SHA256
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d
-
SHA512
f89ce3ecbc86d5d91b8a83c805a67457f12bf7a72afb2aabea07b5dd6f2a5e9a80b30757bf9d9b64d6b39538f66c71eecaf143246141677c92438383468ec80c
-
SSDEEP
49152:32bIF4983HKTmzVLWla5GtqkXlXs0RGtYgCIIyCAITIpHY47H:mbU4CUsLSa5wqO6CRIhX247H
Malware Config
Extracted
socks5systemz
http://beoruby.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ea9c9e32
http://beoruby.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb97854b815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bc866921f
Signatures
-
Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/4856-66-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz behavioral1/memory/4856-69-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz behavioral1/memory/4856-78-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz behavioral1/memory/4856-91-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz behavioral1/memory/4856-92-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 4380 colorpicker.exe 4856 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1380 wrote to memory of 3528 1380 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 87 PID 1380 wrote to memory of 3528 1380 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 87 PID 1380 wrote to memory of 3528 1380 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe 87 PID 3528 wrote to memory of 4380 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 89 PID 3528 wrote to memory of 4380 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 89 PID 3528 wrote to memory of 4380 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 89 PID 3528 wrote to memory of 4856 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 91 PID 3528 wrote to memory of 4856 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 91 PID 3528 wrote to memory of 4856 3528 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Users\Admin\AppData\Local\Temp\is-R79IK.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp"C:\Users\Admin\AppData\Local\Temp\is-R79IK.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp" /SL5="$E0064,1952650,54272,C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4380
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:4856
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.2MB
MD586cf5258118a62c608edf51f6bcb094e
SHA132d048d04de641f88b90eb7a9eb76b3e7eb51d59
SHA2566a53701555c4b60e1351523354f2fdc3e30e6641767051cfc2e64c5d40c5ffe4
SHA512242b4c5e9a09bb33f56cf5d08516eeedd59dff540702f356b77384618e475f2503fde2869b27e570b4d2f2dd7e0a0cd4ceb64ab61961b8b8e16800ca45bf0a07
-
Filesize
960KB
MD5bd59eabbb146d85c0e8eaa248782c8df
SHA149ac7a6abe70f58a35f8fa1e9504120d46264b0d
SHA2563456bba88c9007046abed6c5dcf92f91e19e7b72d184e2fd30ac86e32da3c768
SHA5123bcfba85a576dce108a2b6ee216fc4e48eb628a07b6ce55099423564717d6d8e609a6b2b3e14bfd06ef2921bce893dc13bc643739a88c1b6c09ed83826dd4548
-
Filesize
576KB
MD5e8f3dd8a3a5f77e0536ff662dc0fb847
SHA1e7ed2e31e04a930f735d82411ce9950ce0bbcb4d
SHA256bd0975f4f69691a868ff0670aa09128c490ca530f567d6840e693c66781d8cb7
SHA5128cb499c91e0105a7cb2ed54410188cfb1a581974bb67bc9b4e241667429308e74abeda9a5cbdce9d9c8801e0cef09549512b5145b85e4c8af40bb62d8b7216c2
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-R79IK.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10