Analysis
-
max time kernel
147s -
max time network
154s -
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, 13:50
Static task
static1
Behavioral task
behavioral1
Sample
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe
Resource
win11-20240221-en
General
-
Target
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe
-
Size
2.2MB
-
MD5
4b9151a0fcc00b7ebe774bb2489bc530
-
SHA1
40fa43f01b6bdf5e946bb2088fec786f3d3b708a
-
SHA256
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07
-
SHA512
8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d
-
SSDEEP
49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH
Malware Config
Extracted
socks5systemz
http://aqfbioh.ru/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0ee9c9b38
http://aqfbioh.ru/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12eab517aa5c96bd86ec9c8f44805a8bbc896c58e713bc90c91836b5281fc235a925ed3e01d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94983bcc669715
Signatures
-
Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/4320-68-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz behavioral2/memory/4320-67-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz behavioral2/memory/4320-78-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz behavioral2/memory/4320-91-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz behavioral2/memory/4320-92-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 4816 colorpicker.exe 4320 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.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 2388 wrote to memory of 1844 2388 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe 81 PID 2388 wrote to memory of 1844 2388 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe 81 PID 2388 wrote to memory of 1844 2388 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe 81 PID 1844 wrote to memory of 4816 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 82 PID 1844 wrote to memory of 4816 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 82 PID 1844 wrote to memory of 4816 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 82 PID 1844 wrote to memory of 4320 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 84 PID 1844 wrote to memory of 4320 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 84 PID 1844 wrote to memory of 4320 1844 45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe"C:\Users\Admin\AppData\Local\Temp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Users\Admin\AppData\Local\Temp\is-58Q9S.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp"C:\Users\Admin\AppData\Local\Temp\is-58Q9S.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp" /SL5="$400D4,1966609,54272,C:\Users\Admin\AppData\Local\Temp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4816
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:4320
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.9MB
MD5ebf4d688e6eb687904e1be35ad2ab980
SHA1b76e3c5527012c399bc141945cc128c7aef4f84f
SHA2563d66b7dcb8334e3088d2013fe0fd3a3cb88088516d92a6f9876780cef2e5e641
SHA512ad9736640c92869a62e37bf89794f2f0ff5a63f751e4642df6dbd83a977b8d18afcae3d76454b62e157b5cbb0768cafc3a2191405abbfcb4d52f2e5c0bc96d15
-
Filesize
2.0MB
MD51512d12d1737a7ec75368bcc1b4e293f
SHA183921393dab40cc49f4f2935ad0970f4f0e43b20
SHA2564f2a19dd0e07c2af1abd49a32458a813eeafa31f4c142b17ecde39be86dbbf08
SHA51248164f8237432f6b9ac6a6ae5258db4f4e7ab6579f34904f54be3b01cd6b551ae24ed931c2cb695fe85e21578896b9fee4d900af4b6ef8a5a5f702d6a5902268
-
Filesize
1.2MB
MD5612bdce52aec6ff11e321a415abedbce
SHA18d64b523d464c232f6b06d910a86dd48b1929b30
SHA2562979be9b3e8f940c8fc435c918cd7d8cf0d4f3fe637b1c67ee40903991907c4b
SHA512fd041c827b3a568864ab681c3ac9cd6200d10eee7d84dcbb89a0d70f6708e7dea0f68464c629413bc8f85f275fd88ac5ef9b0005c0a203e9cc2bba28242c437d
-
C:\Users\Admin\AppData\Local\Temp\is-58Q9S.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63