Analysis
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max time kernel
154s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 20:13
Behavioral task
behavioral1
Sample
mm2_script.exe
Resource
win7-20240221-en
General
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Target
mm2_script.exe
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Size
779.0MB
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MD5
046cb8524f5b4dbcc9ab33a4efa3b0a9
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SHA1
1942141f2935fd99a82455170e44bc76f7e30372
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SHA256
8e546b234527478f0cbe882fa647c385b7f2079fbd036ac029d1c9bba088cebe
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SHA512
35369d25359d2e129263cfb053f8bbe5896721452ae3ddba20559305f98f2668d6bb80a77d503aa5ae78e2d4e266a4d9b0dab4fe3ccd92b37eee6e55d9989616
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SSDEEP
196608:JX4EsBB8WwgTgUoRxe+2l4YX5Lc1QJgxoTJGEs:9ylwgxHNlqDE
Malware Config
Extracted
stealc
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/216-11-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-12-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-13-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-14-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-15-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-16-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-20-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 behavioral2/memory/216-82-0x0000000000C80000-0x0000000001860000-memory.dmp family_vidar_v7 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
mm2_script.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ mm2_script.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
mm2_script.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion mm2_script.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion mm2_script.exe -
Loads dropped DLL 2 IoCs
Processes:
mm2_script.exepid process 216 mm2_script.exe 216 mm2_script.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral2/memory/216-0-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-10-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-11-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-12-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-13-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-14-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-15-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-16-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-20-0x0000000000C80000-0x0000000001860000-memory.dmp themida behavioral2/memory/216-82-0x0000000000C80000-0x0000000001860000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Processes:
mm2_script.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mm2_script.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
mm2_script.exepid process 216 mm2_script.exe -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
mm2_script.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString mm2_script.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
mm2_script.exepid process 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe 216 mm2_script.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\mm2_script.exe"C:\Users\Admin\AppData\Local\Temp\mm2_script.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\BKFCBFCBFBKE\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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C:\ProgramData\BKFCBFCBFBKE\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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memory/216-14-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-90-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-1-0x0000000077180000-0x0000000077181000-memory.dmpFilesize
4KB
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memory/216-5-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-4-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-9-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-3-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-10-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-2-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-11-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-12-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-13-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-6-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-8-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-84-0x0000000077180000-0x0000000077181000-memory.dmpFilesize
4KB
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memory/216-20-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-21-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/216-7-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-0-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-82-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-83-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-16-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB
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memory/216-86-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-87-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-85-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-88-0x0000000077160000-0x0000000077250000-memory.dmpFilesize
960KB
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memory/216-15-0x0000000000C80000-0x0000000001860000-memory.dmpFilesize
11.9MB