Analysis
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max time kernel
51s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10-06-2024 20:29
Behavioral task
behavioral1
Sample
BlamFREE.exe
Resource
win7-20231129-en
11 signatures
150 seconds
General
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Target
BlamFREE.exe
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Size
5.1MB
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MD5
34c616e5aecef6d5e8eb159bfb64a3a5
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SHA1
3ac025952ba48b9415c544af3a6debf25292e1bd
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SHA256
aa412178ead22a7b200d0375a8cf986e19bac59b54ee8fb08d3a9d74127eefe9
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SHA512
6a574bd2962045173ba7306131284d3b0121b1be849a8a4fa455bdeb04d44f950c8207161b0e1160c43c45f1950e19adf59c9c1e0aaf6188d56a6132b0e4e28e
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SSDEEP
98304:RZNKkmUI4/speViXUmhQIhgO9xlt5kL2/UrBsfiYvlyaiMm5mBTQwJin3:xKkmUIrFUmCIzltz/SmdcMmgpQiin3
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
BlamFREE.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ BlamFREE.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
BlamFREE.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion BlamFREE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion BlamFREE.exe -
Processes:
resource yara_rule behavioral2/memory/4340-10-0x0000000000C50000-0x0000000001686000-memory.dmp themida behavioral2/memory/4340-11-0x0000000000C50000-0x0000000001686000-memory.dmp themida behavioral2/memory/4340-19-0x0000000000C50000-0x0000000001686000-memory.dmp themida -
Processes:
BlamFREE.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BlamFREE.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
BlamFREE.exepid process 4340 BlamFREE.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3972 4340 WerFault.exe BlamFREE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
BlamFREE.exedescription pid process Token: SeDebugPrivilege 4340 BlamFREE.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BlamFREE.exe"C:\Users\Admin\AppData\Local\Temp\BlamFREE.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:4340 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 16522⤵
- Program crash
PID:3972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4340 -ip 43401⤵PID:936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/4340-0-0x0000000000C50000-0x0000000001686000-memory.dmpFilesize
10.2MB
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memory/4340-4-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-3-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-1-0x0000000076590000-0x0000000076591000-memory.dmpFilesize
4KB
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memory/4340-2-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-5-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-6-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-7-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-10-0x0000000000C50000-0x0000000001686000-memory.dmpFilesize
10.2MB
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memory/4340-11-0x0000000000C50000-0x0000000001686000-memory.dmpFilesize
10.2MB
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memory/4340-12-0x00000000063C0000-0x0000000006964000-memory.dmpFilesize
5.6MB
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memory/4340-13-0x0000000005BF0000-0x0000000005C82000-memory.dmpFilesize
584KB
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memory/4340-14-0x0000000003B70000-0x0000000003BBE000-memory.dmpFilesize
312KB
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memory/4340-15-0x00000000071E0000-0x00000000071F2000-memory.dmpFilesize
72KB
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memory/4340-18-0x0000000076570000-0x0000000076660000-memory.dmpFilesize
960KB
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memory/4340-19-0x0000000000C50000-0x0000000001686000-memory.dmpFilesize
10.2MB