Analysis
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max time kernel
115s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
17-10-2022 09:07
General
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Target
file.exe
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Size
3.2MB
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MD5
bc39def3c5716eb76d994fe4b7e597fb
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SHA1
bdc1941fca9620d4eabbb1aa6fb1dc8862a130bd
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SHA256
6ed5e19aac6c1cf5f1d2cd08f1db7fec2f1455fc79a9ddaa7cc45a8ce43a9fbe
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SHA512
83d40fc0ad933004f1990b22bc300b942dabfd2c7370e9e4e57192bf154404ea6fac4abca93807f0e60af5dd1bd7dd57da8ed45990ae3dccb5f52d23f8329e97
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SSDEEP
98304:THZ2fHyQEY0JIi4VaLGGteqp8OH7FCUGn:THIHKGi4VqGG9XFXm
Malware Config
Extracted
vidar
55
1679
http://138.201.90.120:80
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profile_id
1679
Signatures
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL 2 IoCs
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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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Themida packer 8 IoCs
Detects Themida, an advanced Windows software protection system.
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Accesses 2FA software files, possible credential harvesting 2 TTPs
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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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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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 Enterprise v6
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
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Filesize
9.2MB
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Filesize
9.2MB
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Filesize
9.2MB
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Filesize
9.2MB
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Filesize
8KB
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Filesize
1.5MB
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Filesize
9.2MB
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Filesize
9.2MB
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Filesize
972KB
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Filesize
9.2MB
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Filesize
9.2MB