Resubmissions
14/01/2025, 09:11
250114-k5qwmatndx29/02/2024, 21:21
240229-z7ptnsch3w23/02/2024, 03:45
240223-ea6qpsaf9t1023/02/2024, 02:03
240223-cg4htahg5x10Analysis
- max time kernel
130s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
23/02/2024, 03:45
General
- Target e046c5e3f0ead64c214eaa411189b0001bdc5431f3a942d0e6fff1ba87fadb9f.exe
- Size 4.3MB
- Sample240223-ea6qpsaf9t
- SHA256 e046c5e3f0ead64c214eaa411189b0001bdc5431f3a942d0e6fff1ba87fadb9f
Malware Config
Signatures
- Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Loads dropped DLL 1 IoCs
- Themida packer 2 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e046c5e3f0ead64c214eaa411189b0001bdc5431f3a942d0e6fff1ba87fadb9f.exe"C:\Users\Admin\AppData\Local\Temp\e046c5e3f0ead64c214eaa411189b0001bdc5431f3a942d0e6fff1ba87fadb9f.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
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Protect544cd51a.dll
memory/948-32-0x0000000005E50000-0x0000000005F50000-memory.dmp
memory/948-1-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-3-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-4-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-5-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-6-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-7-0x0000000077704000-0x0000000077706000-memory.dmp
memory/948-11-0x0000000000160000-0x0000000000A1A000-memory.dmp
memory/948-12-0x0000000005580000-0x000000000561C000-memory.dmp
memory/948-14-0x0000000000160000-0x0000000000A1A000-memory.dmp
memory/948-15-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-17-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-18-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-19-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-21-0x0000000005990000-0x0000000005B22000-memory.dmp
memory/948-35-0x0000000006620000-0x0000000006BC4000-memory.dmp
memory/948-27-0x0000000005530000-0x0000000005540000-memory.dmp
memory/948-28-0x0000000005520000-0x0000000005530000-memory.dmp
memory/948-29-0x0000000005530000-0x0000000005540000-memory.dmp
memory/948-30-0x0000000005530000-0x0000000005540000-memory.dmp
memory/948-31-0x0000000005E50000-0x0000000005F50000-memory.dmp
memory/948-0-0x0000000000160000-0x0000000000A1A000-memory.dmp
memory/948-2-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-53-0x0000000076DA0000-0x0000000076E90000-memory.dmp
memory/948-51-0x0000000000160000-0x0000000000A1A000-memory.dmp
memory/1564-56-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-48-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-43-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-41-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/1564-40-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-38-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-44-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-45-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-52-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-37-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-39-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/1564-33-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-50-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-36-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-58-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-59-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-61-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1564-62-0x00000000058A0000-0x0000000005932000-memory.dmp
memory/1564-63-0x0000000005880000-0x000000000588A000-memory.dmp
memory/1564-64-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/1564-65-0x00000000054B0000-0x00000000054C0000-memory.dmp