Analysis
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max time kernel
13s -
max time network
106s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
13-03-2021 20:45
Behavioral task
behavioral1
Sample
f8ef4d5aab53a64cb56ee89ac55b122b.exe
Resource
win7v20201028
General
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Target
f8ef4d5aab53a64cb56ee89ac55b122b.exe
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Size
5.4MB
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MD5
f8ef4d5aab53a64cb56ee89ac55b122b
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SHA1
05987adf782b26615d6c55276f709525af9d796b
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SHA256
34b09f16fa6e9789bda97d9bd512ac7f49e235982db9d65109a4078ab3567bcf
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SHA512
50169937e1f4d6a4a0ca5c9e4f2b71ac5f73bb7c274a5db3a91b47dbfcbf551c78c677575e8478743351ad93f3e3e39e55bbcbdf3ce66fb974f3160e06bcdef5
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
f8ef4d5aab53a64cb56ee89ac55b122b.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f8ef4d5aab53a64cb56ee89ac55b122b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f8ef4d5aab53a64cb56ee89ac55b122b.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/1144-4-0x0000000001120000-0x0000000001121000-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:
f8ef4d5aab53a64cb56ee89ac55b122b.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f8ef4d5aab53a64cb56ee89ac55b122b.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
f8ef4d5aab53a64cb56ee89ac55b122b.exepid process 1144 f8ef4d5aab53a64cb56ee89ac55b122b.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
f8ef4d5aab53a64cb56ee89ac55b122b.exepid process 1144 f8ef4d5aab53a64cb56ee89ac55b122b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
f8ef4d5aab53a64cb56ee89ac55b122b.exedescription pid process Token: SeDebugPrivilege 1144 f8ef4d5aab53a64cb56ee89ac55b122b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.exe"C:\Users\Admin\AppData\Local\Temp\f8ef4d5aab53a64cb56ee89ac55b122b.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1144
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1144-3-0x0000000073A80000-0x000000007416E000-memory.dmpFilesize
6.9MB
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memory/1144-4-0x0000000001120000-0x0000000001121000-memory.dmpFilesize
4KB
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memory/1144-6-0x0000000005710000-0x0000000005711000-memory.dmpFilesize
4KB
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memory/1144-7-0x00000000778B4000-0x00000000778B5000-memory.dmpFilesize
4KB
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memory/1144-8-0x00000000035D0000-0x00000000035D1000-memory.dmpFilesize
4KB
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memory/1144-9-0x0000000005DB0000-0x0000000005DB1000-memory.dmpFilesize
4KB
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memory/1144-10-0x0000000005850000-0x0000000005851000-memory.dmpFilesize
4KB
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memory/1144-11-0x00000000058B0000-0x00000000058B1000-memory.dmpFilesize
4KB
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memory/1144-12-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/1144-13-0x0000000003580000-0x0000000003581000-memory.dmpFilesize
4KB
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memory/1144-14-0x0000000005B50000-0x0000000005B51000-memory.dmpFilesize
4KB
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memory/1144-15-0x0000000006DE0000-0x0000000006DE1000-memory.dmpFilesize
4KB
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memory/1144-16-0x00000000074E0000-0x00000000074E1000-memory.dmpFilesize
4KB
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memory/1144-17-0x0000000006FB0000-0x0000000006FB1000-memory.dmpFilesize
4KB
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memory/1144-18-0x0000000007F10000-0x0000000007F11000-memory.dmpFilesize
4KB
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memory/1144-19-0x0000000007050000-0x0000000007051000-memory.dmpFilesize
4KB
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memory/1144-20-0x0000000007BB0000-0x0000000007BB1000-memory.dmpFilesize
4KB