Analysis
-
max time kernel
142s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 12:47
Static task
static1
Behavioral task
behavioral1
Sample
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
Resource
win11-20240221-en
General
-
Target
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
-
Size
2.0MB
-
MD5
81a85f3125aefa6f06649cbf53136988
-
SHA1
ee72a132008d3d1394bb8c00c534014748edf94a
-
SHA256
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636
-
SHA512
e35e322759210c09797a2f0079c2e35c498a278d3a9eaf4e5dcccd8c834828e0d0fb1b2cc3630b76b4b373f3b3e5be252fe0fba65254fd2b9e68f73cb8ae4bf4
-
SSDEEP
49152:32JBpBDCRjWetUW7NUN3/qLr2CQzB2qaQoe7D:mzpBD2aetUcUN3/ACzpKc
Malware Config
Extracted
socks5systemz
http://ezvmlic.ua/search/?q=67e28dd83e5cf579400faa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9e7959339
http://ezvmlic.ua/search/?q=67e28dd83e5cf579400faa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef978748825a8bbc896c58e713bc90c91936b5281fc235a925ed3e07d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949b32c56f9f14
Signatures
-
Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/416-67-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/416-70-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/416-79-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/416-92-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/416-93-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 4856 colorpicker.exe 416 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1388 2020 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 77 PID 2020 wrote to memory of 1388 2020 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 77 PID 2020 wrote to memory of 1388 2020 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 77 PID 1388 wrote to memory of 4856 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 78 PID 1388 wrote to memory of 4856 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 78 PID 1388 wrote to memory of 4856 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 78 PID 1388 wrote to memory of 416 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 79 PID 1388 wrote to memory of 416 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 79 PID 1388 wrote to memory of 416 1388 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\is-N7TA1.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp"C:\Users\Admin\AppData\Local\Temp\is-N7TA1.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp" /SL5="$4021A,1784413,54272,C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4856
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:416
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
896KB
MD5cbc1b8f52ef833c245e70d79fc076e0a
SHA1fdad6c0b06d8541ad53856a44cc928b3aa8c68b0
SHA256ff63b68830ca593300bbb2f7b33baba0ee8d2d1127c5d78df092d3cf32e60fd7
SHA5120c041ea5838e3fcbfe77fe5a4c8a62095442c4d22109c6f13a5537cd82795e5aa9a6070a14762e2c39f9a35d3e8ff0b6066401be534eca0d6e133a710f896d5e
-
Filesize
2.0MB
MD5e0be643656cf2b26337e1c880860a0ff
SHA14b142324fce15d65ac607d14b3cc736ad06ec4db
SHA25685f81ec4027dfa1ecadc0cd91ba941563a034abd95f198bae8ed4c1921546483
SHA512e7bf1495f8aae0fcbe4c84c79e852687fc7206d296f4bc1c69a64e94f3db1495ece04a8a39fb0d9db193c1accce42e340f7db427b73dcb06ec76ce57877b3ab1
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-N7TA1.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39