Analysis
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max time kernel
150s -
max time network
153s -
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, 15:58
Static task
static1
Behavioral task
behavioral1
Sample
2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe
Resource
win11-20240221-en
General
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Target
2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe
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Size
2.0MB
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MD5
d09813304a4e13b05274c716787f851b
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SHA1
41058a366822e62777d7cfc62a21530f3ee8df3e
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SHA256
2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644
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SHA512
ea5bb6c2467706d2b5a8f1a2e194c78cb8b6653af51c9d3e3b7f658865b5766641da772bcf783775036cf2d1313a47f50c85d533b69e8308efcda76d9e2c9e71
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SSDEEP
49152:329v4KVdxYz+LdLcaBbPE4UfakLpfJaYVZnPjQYH:mmKFnLdLZP1UfdLdJagBPjxH
Malware Config
Extracted
socks5systemz
http://ejminou.ua/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0e690923e
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2036-66-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/2036-69-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral1/memory/2036-78-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 2252 colorpicker.exe 2036 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.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.
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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 2636 wrote to memory of 4940 2636 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe 88 PID 2636 wrote to memory of 4940 2636 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe 88 PID 2636 wrote to memory of 4940 2636 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe 88 PID 4940 wrote to memory of 2252 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 90 PID 4940 wrote to memory of 2252 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 90 PID 4940 wrote to memory of 2252 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 90 PID 4940 wrote to memory of 2036 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 91 PID 4940 wrote to memory of 2036 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 91 PID 4940 wrote to memory of 2036 4940 2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe"C:\Users\Admin\AppData\Local\Temp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\is-1FAV2.tmp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp"C:\Users\Admin\AppData\Local\Temp\is-1FAV2.tmp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp" /SL5="$401C6,1756641,54272,C:\Users\Admin\AppData\Local\Temp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2252
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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:2036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5c90a6199b4a7aaab7ab2ee513f4828b5
SHA190d22da7c8ee5e606f7ee1e917e566f17fd1ffd0
SHA25649fb7327450e2cab17ade9521f6e4e9a70cdc7793b04eddc75bbb0016392abca
SHA5122670f1e9c8456ef378b0400dded1a66d3e6c3cbc313d039f54ce98504083526975150126290d4e63d31831f4b1d2c11bd57bac742358003f86f2895da6bae0b6
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C:\Users\Admin\AppData\Local\Temp\is-1FAV2.tmp\2c982acdcf73dc44afb250b14e22636e679022f40490a8c9943fe6ef19e6f644.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63