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Analysis
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max time kernel
133s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
28/07/2024, 01:16
Static task
static1
Behavioral task
behavioral1
Sample
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
Resource
win10v2004-20240709-en
General
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Target
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
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Size
784KB
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MD5
05de899a2e9b023f167c77e299c6ca01
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SHA1
c104b67a69944ed526d35c8810a11e149b4f940a
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SHA256
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f
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SHA512
d2c9a18aeac3577e5b00e16e346fc9ec5afe9afa2a12535893801e801fc30c6a0f08f3d3d968df7489329181a236b8b9daee047d0eb2862856fe45181872bf9f
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SSDEEP
12288:sfcQ2enSVwLswxe1epJ4I/roVWBjIjh64kpLG/S:8v2enewAwxe1epuIcVGjIj0Sq
Malware Config
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2196 set thread context of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88 -
Program crash 1 IoCs
pid pid_target Process procid_target 4480 2196 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI MSBuild.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI MSBuild.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2196 wrote to memory of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88 PID 2196 wrote to memory of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88 PID 2196 wrote to memory of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88 PID 2196 wrote to memory of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88 PID 2196 wrote to memory of 4468 2196 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe"C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks SCSI registry key(s)
PID:4468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 2962⤵
- Program crash
PID:4480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2196 -ip 21961⤵PID:1196