Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 02:21
Static task
static1
Behavioral task
behavioral1
Sample
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
Resource
win10v2004-20240226-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://bgnfcli.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec969d32
http://bgnfcli.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12eab517aa5c96bd86e9948e4d865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938ce6c911f
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/1696-70-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1696-69-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1696-80-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1696-93-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1696-94-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 1168 colorpicker.exe 1696 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4484 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 141.98.234.31 -
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 1996 wrote to memory of 4484 1996 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 91 PID 1996 wrote to memory of 4484 1996 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 91 PID 1996 wrote to memory of 4484 1996 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe 91 PID 4484 wrote to memory of 1168 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 93 PID 4484 wrote to memory of 1168 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 93 PID 4484 wrote to memory of 1168 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 93 PID 4484 wrote to memory of 1696 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 94 PID 4484 wrote to memory of 1696 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 94 PID 4484 wrote to memory of 1696 4484 92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp 94
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:1996 -
C:\Users\Admin\AppData\Local\Temp\is-4S1GC.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp"C:\Users\Admin\AppData\Local\Temp\is-4S1GC.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp" /SL5="$80116,1943765,54272,C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1168
-
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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:1696
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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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C:\Users\Admin\AppData\Local\Temp\is-4S1GC.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63