Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2023 15:05
Behavioral task
behavioral1
Sample
990824b28b1db8f0e38bec6aebeaf1b2.exe
Resource
win7-20230831-en
General
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Target
990824b28b1db8f0e38bec6aebeaf1b2.exe
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Size
5.3MB
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MD5
990824b28b1db8f0e38bec6aebeaf1b2
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SHA1
75b2904f3481e5468e3076b842ff529b23e2d20b
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SHA256
f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063
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SHA512
8a8637b4c50c9f92d42a4bae02dbe8e19d7867d91a542b95916d8de88eaf1dba5e7ede0b82934d6015e90d6b355a0193bfe6a941ffbb72ba97f9ee7e59c172f8
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SSDEEP
98304:bz+UuR7m7n5+OPAZU+leHfQkjA1JAE5lPKn4m/V38fque1VIL:h8yn5+vZ6ALKnjyfRUI
Malware Config
Extracted
vidar
5.7
348bd4740381edfdd4d5e8143ef4a08e
https://steamcommunity.com/profiles/76561199553369541
https://t.me/dastanatg
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profile_id_v2
348bd4740381edfdd4d5e8143ef4a08e
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 990824b28b1db8f0e38bec6aebeaf1b2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Loads dropped DLL 2 IoCs
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exepid process 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe -
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/3424-0-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-1-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-7-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-8-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-9-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-10-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-11-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-12-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-13-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-14-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida behavioral2/memory/3424-68-0x0000000000AE0000-0x00000000014ED000-memory.dmp themida -
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:
990824b28b1db8f0e38bec6aebeaf1b2.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exepid process 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4576 3424 WerFault.exe 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 990824b28b1db8f0e38bec6aebeaf1b2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 990824b28b1db8f0e38bec6aebeaf1b2.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
990824b28b1db8f0e38bec6aebeaf1b2.exepid process 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe 3424 990824b28b1db8f0e38bec6aebeaf1b2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\990824b28b1db8f0e38bec6aebeaf1b2.exe"C:\Users\Admin\AppData\Local\Temp\990824b28b1db8f0e38bec6aebeaf1b2.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
PID:3424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 18642⤵
- Program crash
PID:4576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3424 -ip 34241⤵PID:3568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571