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Analysis
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max time kernel
15s -
max time network
28s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/12/2023, 23:19
General
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Target
Setup.exe
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Size
4.6MB
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MD5
862c7e9cf539af2260d1104a9873d228
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SHA1
851ec5e5bce6458f36756b2250c5573bd97927fc
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SHA256
a631ccfd88b9daa48e6d1a70fc6bed57caed44e415caa52f8d329d61221a4b9d
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SHA512
735d9f7890fbc30e08ddf1b9d2c883eefe0931fdcc8b54c3f6e9b717fd07557fc3bb4499a3fae97aa63464e8d6e16f8d4c374c29e05006d58e9e8b85307f27c3
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SSDEEP
98304:tCbg3U71Ca89eJn3Ka8fVRT4i0CAv7KYAAxst1c9l5PuF4qNe:gbKU7S03gLul7K6xsvcHgqV
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.exe -
resource yara_rule behavioral1/memory/5008-0-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-1-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-11-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-12-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-13-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-14-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-15-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-16-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-17-0x0000000000070000-0x0000000000E49000-memory.dmp themida behavioral1/memory/5008-22-0x0000000000070000-0x0000000000E49000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5008 Setup.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3556 5008 WerFault.exe 78 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5008 Setup.exe 5008 Setup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.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 behavior: EnumeratesProcesses
PID:5008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 22002⤵
- Program crash
PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5008 -ip 50081⤵PID:4776
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵PID:4620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD523c37173abaa7d6835f959b4a9c6ca1e
SHA133e312147d38fc6dc6ebb8ada26b1400280fc1d6
SHA25675f6e0f87cca364e6bb0228e50208c411ed6312a2ff4330d50e5bfd316b9f458
SHA51278295140a1c65be46063a46e00862ecddb6b72b7169a32c3bff87057275e2c39847680fb5649da457ddc664ac53c0a431f41a9c5e17634a8fc10cdb5984f0407
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD51c644cb4d07fdd3073ea68277e981c0c
SHA1121ce00fe8e8d4355080caea62490c051d3deb59
SHA256881fa7efe12c4e2634919f996e5b91306bf946f5a84f578490f792795ef863ac
SHA5125471ba64e5f46ca28fa7d8613eb9b653700e3ace600b9941947807bc61ec257100603bd4f2a2cbfd298cb096ec4b47c7860c8d3467fdf1604e8f9ef47e3b1799