Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe
Resource
win10v2004-20240508-en
General
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Target
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe
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Size
4.7MB
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MD5
8f8d76ab059e3f1ee4457d996bbd7384
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SHA1
c38d1652157255c760354bab6b7884be8a2535e5
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SHA256
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde
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SHA512
5cd4b84886976d2ba342f6525498c9fc8e68d86c678784ad3213934dbe147054fa131253dca6005f7af0460adbd77a1de3649843b701458818213574f80d164e
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SSDEEP
98304:mgzRDSyBbX7MEp+unkPfujwGFVQ+Zt+2aQabUIJfUedeZHe:dNSyBbRp6fcVus1MbLRUKce
Malware Config
Extracted
socks5systemz
bpeaihx.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/636-84-0x0000000000B10000-0x0000000000BB2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 17 IoCs
Processes:
resource yara_rule behavioral2/memory/5048-65-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5048-64-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/5048-60-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-71-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-74-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-77-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-80-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-83-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-88-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-93-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-96-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-99-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-102-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-105-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-108-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-111-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/636-114-0x0000000000400000-0x00000000006FB000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmpfreeaudioconverter.exefreeaudioconverter.exepid process 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp 5048 freeaudioconverter.exe 636 freeaudioconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmppid process 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp -
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 141.98.234.31 Destination IP 152.89.198.214 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 FindShellTrayWindow 1 IoCs
Processes:
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmppid process 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmpdescription pid process target process PID 2972 wrote to memory of 220 2972 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp PID 2972 wrote to memory of 220 2972 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp PID 2972 wrote to memory of 220 2972 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp PID 220 wrote to memory of 5048 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe PID 220 wrote to memory of 5048 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe PID 220 wrote to memory of 5048 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe PID 220 wrote to memory of 636 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe PID 220 wrote to memory of 636 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe PID 220 wrote to memory of 636 220 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp freeaudioconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"C:\Users\Admin\AppData\Local\Temp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\is-L7Q3L.tmp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp"C:\Users\Admin\AppData\Local\Temp\is-L7Q3L.tmp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp" /SL5="$600EA,4729640,54272,C:\Users\Admin\AppData\Local\Temp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i3⤵
- Executes dropped EXE
PID:5048 -
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s3⤵
- Executes dropped EXE
PID:636
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exeFilesize
3.0MB
MD5e88d7b92a6a3102ea583f93209ed08c7
SHA1c0889d5ebd06ad7e7c48332fbb5d454b518cae2d
SHA256557b537995d556caa1c7f9a0f22bd0ce9c8b1fa2d6af9cffc72f1eaee8937a74
SHA5127281368323dcd9c0fc57e1bfba0fdff06aa98ac673cec79ec94c04bc63efd7a7fde431f353255c5a495367c96340417b9da22e9c61b038274460717297fa15f3
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C:\Users\Admin\AppData\Local\Temp\is-3QMNA.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-L7Q3L.tmp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmpFilesize
680KB
MD5f519683b3c418feee49361b3411d8c3d
SHA1f981468acbf6b3e1d081a52203f7e3f017fcafe7
SHA2564fc60883a82f58b3a798be19bd6a25592631ac3ccb23af3b1a95c41dab65af4a
SHA512db0e3a2363bb9433cc57d3da42bfb901f0ed128aad2297a88cca1dae650f69a438ef4f7634b945568bb99f59bc587eb698f08cf8dc8162808ac8575fa280c805
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memory/220-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/220-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/636-96-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-102-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-114-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-68-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-111-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-108-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-105-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-99-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-71-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-74-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-77-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-80-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-83-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-84-0x0000000000B10000-0x0000000000BB2000-memory.dmpFilesize
648KB
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memory/636-88-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/636-93-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/2972-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2972-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2972-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/5048-59-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/5048-60-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/5048-64-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB
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memory/5048-65-0x0000000000400000-0x00000000006FB000-memory.dmpFilesize
3.0MB