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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/01/2025, 19:16
Static task
static1
Behavioral task
behavioral1
Sample
35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
Resource
win7-20240903-en
General
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Target
35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
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Size
3.2MB
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MD5
a14510e62298e461bd64b7a75b7629a6
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SHA1
6bc9fd3d4fda53786fe48d41c5a6fb3e57f227af
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SHA256
35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8
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SHA512
10682f5347ad26646bfc631c50f116d0657e28c41149a6c18b8da34fa52ffdfadbe8c46a4266640f977738964d8fafea90ea375f6e2a17395f8ef109eb186a2c
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SSDEEP
49152:ZsvoQtzPIM6eHLwp8gauv2DAgJtYGwxFe7LD4gyoz+U+IIKQMt91TrzSjjdDG9:ZsZzPpbrcvngJtYOD5+U+6nTCFDG9
Malware Config
Signatures
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF VC_redist.x86.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe -
Executes dropped EXE 2 IoCs
pid Process 1864 VC_redist.x64.exe 4332 VC_redist.x86.exe -
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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Embeds OpenSSL 1 IoCs
Embeds OpenSSL, may be used to circumvent TLS interception.
resource yara_rule behavioral2/files/0x000a000000023b97-2626.dat embeds_openssl -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe 4332 VC_redist.x86.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1612 wrote to memory of 1864 1612 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe 82 PID 1612 wrote to memory of 1864 1612 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe 82 PID 1612 wrote to memory of 4332 1612 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe 85 PID 1612 wrote to memory of 4332 1612 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe 85 PID 1612 wrote to memory of 4332 1612 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe"C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"2⤵
- Executes dropped EXE
PID:1864
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"2⤵
- Enumerates VirtualBox registry keys
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4332
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
628KB
MD551c3f33163cb118d7cd1506648d8ea69
SHA12f37ac854cea300577e6de102e1c699a87f2178d
SHA25692a5600741e66bba6153e2b536781416080e5338d703c2de8deb13ee4788dad8
SHA5124816cd986a5f423ebdabb11230437f12394433e69c0bda9e99a0028fcf04ff68db10941ffcca7a6db24e850f3f55b0e81c4df9edc2ba31d204d5925c8a636a3f
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Filesize
7.7MB
MD5f6b28de198800179a0cedaf80a94d2bf
SHA1d4ebd56bf9f0d09763b0dc7d5744833ba0a07af3
SHA256a93027840829eabd77e96b893e7afdabf832702fb9e95b056a45809e448fec2f
SHA5121c8cb16058d19a4fdd323e5736a55e1aa8d41b3cd6af0012c764b67dcb9af2a2527ec9b8a08cefc2749cba93e6ffd7bc967497b431e02dc3ba822e42e2fd929a