Analysis
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max time kernel
141s -
max time network
125s -
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, 14:22
Static task
static1
Behavioral task
behavioral1
Sample
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
Resource
win11-20240221-en
General
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Target
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
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Size
2.2MB
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MD5
7447d5db9ccf93f6a8ecf22ae9fec082
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SHA1
0c3a044c669e1cce8e6d9ec103a9d3e587fa1acb
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SHA256
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269
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SHA512
a8761937c73267aeeefb6093903c74c8e8119e65632e1130cb77617f4cf53c8a4a8f177cd464fe849b455bf430f28599d6433f2350fb5b348afa10f5070d0461
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SSDEEP
49152:32DbrhTeTjpdvbXKGJ1X2nIIT6yXaHs4NgJH:mDbrMjpdjJTX2n+VM4NgJH
Malware Config
Extracted
socks5systemz
http://aissnez.ru/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0ec9d9b3b
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4224-65-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/4224-70-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/4224-79-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 2508 colorpicker.exe 4224 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.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.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3688 wrote to memory of 1392 3688 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 79 PID 3688 wrote to memory of 1392 3688 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 79 PID 3688 wrote to memory of 1392 3688 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 79 PID 1392 wrote to memory of 2508 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 80 PID 1392 wrote to memory of 2508 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 80 PID 1392 wrote to memory of 2508 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 80 PID 1392 wrote to memory of 4224 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 81 PID 1392 wrote to memory of 4224 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 81 PID 1392 wrote to memory of 4224 1392 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 81
Processes
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C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Users\Admin\AppData\Local\Temp\is-DO73R.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp"C:\Users\Admin\AppData\Local\Temp\is-DO73R.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp" /SL5="$800D6,1943765,54272,C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2508
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:4224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.2MB
MD54fb7c9f8330a5f6e5c1fd0b95f4bcebe
SHA1e634bf322484061ef0bc5e32714c3f239b1142d5
SHA2569e88759b12e04e21199bb9c536f5a0f56ca9e291fad87270573e94de1d79eb9d
SHA5129eecf2791448a3020292fe7a90fb0966a21433f03ff9b4bf57ff5ed8f71b6cfdae985978a7547e3fd336ae9fa51f788841f9308bb264fcd0256121fb4b9ee46e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-DO73R.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10