Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 05:43
Static task
static1
Behavioral task
behavioral1
Sample
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe
Resource
win7-20240508-en
General
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Target
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe
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Size
12.6MB
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MD5
15724d3cd1761298b3284825707cc455
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SHA1
43a9462fe8ca85c21d4bc04b337ea1c62925e88d
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SHA256
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86
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SHA512
386f179d9d849dd7b589c02c380f1645d86b809e54d66bb8b746a9d196d7f1f6ab5462f5fb30a881fd9421493ce6d4c8f1219726ca14a874dfd8c5501dca564b
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SSDEEP
393216:DxNPOEhmwhy+41I3tEaQI9r49nCK0Irz32:1N2EAMr49nCKH2
Malware Config
Signatures
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Detect Blackmoon payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1368-4-0x0000000000400000-0x0000000001A1D000-memory.dmp family_blackmoon behavioral1/memory/1368-6-0x0000000000400000-0x0000000001A1D000-memory.dmp family_blackmoon behavioral1/memory/1368-5-0x0000000000400000-0x0000000001A1D000-memory.dmp family_blackmoon behavioral1/memory/1368-11-0x0000000000400000-0x0000000001A1D000-memory.dmp family_blackmoon -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Loads dropped DLL 1 IoCs
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exepid process 1368 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exedescription ioc process File opened for modification \??\PhysicalDrive0 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exepid process 1368 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exepid process 1368 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe 1368 32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe"C:\Users\Admin\AppData\Local\Temp\32d57beaaac38a62cd91d3c26dd9c826374862d03fd36f21e1e3dda6486c1e86.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:1368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230427.libFilesize
1.5MB
MD54e47752eed65ff435fc524f8cefe991a
SHA12752adaeb188a975c7e73d82a4ee3eafbbafd357
SHA25633ee4aca04b7c0e6d339728a2a88885b2966064522442f346b704c2b4d277e0e
SHA512467a5b87706494bf9fc464d1f15d265d3188771978c11130233b375ab22ef496ca1a1f572f5f6ffe80992de8295f91659bb9f199c6b0cb8eb1b206668f979cac
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memory/1368-0-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB
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memory/1368-2-0x0000000077730000-0x0000000077732000-memory.dmpFilesize
8KB
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memory/1368-3-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB
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memory/1368-4-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB
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memory/1368-6-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB
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memory/1368-5-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB
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memory/1368-11-0x0000000000400000-0x0000000001A1D000-memory.dmpFilesize
22.1MB