Analysis
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max time kernel
142s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 11:21
Static task
static1
Behavioral task
behavioral1
Sample
d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
Resource
win11-20240214-en
General
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Target
d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
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Size
2.0MB
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MD5
d85357190e6be1331036f8cf9225d5c2
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SHA1
f5c994accc9fc16df9cd4f3e9e13fdea952c17be
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SHA256
d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078
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SHA512
82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c
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SSDEEP
49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc
Malware Config
Extracted
socks5systemz
http://bmqusde.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c64bdb22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9ed9c993a
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3468-65-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz behavioral2/memory/3468-70-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz behavioral2/memory/3468-79-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 3376 colorpicker.exe 3468 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.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 45.155.250.90 -
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 5056 wrote to memory of 4788 5056 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe 77 PID 5056 wrote to memory of 4788 5056 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe 77 PID 5056 wrote to memory of 4788 5056 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe 77 PID 4788 wrote to memory of 3376 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 78 PID 4788 wrote to memory of 3376 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 78 PID 4788 wrote to memory of 3376 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 78 PID 4788 wrote to memory of 3468 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 79 PID 4788 wrote to memory of 3468 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 79 PID 4788 wrote to memory of 3468 4788 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp 79
Processes
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C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp"C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp" /SL5="$60228,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:3376
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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:3468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD57d196988eb734b40f3cdeb7fcfca2ac7
SHA1936ec9251680709686e08afee2b21947fba3d078
SHA256d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0
SHA512c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e
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Filesize
1.4MB
MD58a5f63d74c82c4ca2ec7b9ef000e2576
SHA1b3f7d0527a47b32f92e4a97adc2dcfbbfded0cd1
SHA2565472d784b8c21e807a41a90c428db41197c1492e86dccbc78d035f56e0ccb721
SHA51275aa01b7f53dd0866f43f7d1e2bd11931329bdcdeb1d1d069eb4915830f566a2dcafda41c311a577a037ae840cbb4af488147883fd0fa6c791412cc68c59bc95
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Filesize
369KB
MD53a522aa043c6039680db4d9025344d33
SHA19fd784581971d4216b71f25b28fa25a72725a215
SHA256c07bc695f929ff4ee18501598201a98f570a2b00b7d1796f3999397d580c07b0
SHA5125b919f7142532b754ad0779ab8af0af0e08b80b9dd78179d39d0cafda86e0b2432f04c350db2a2982adcf59b7fc63447f4452822063f365414006ceab9ff0c06
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39