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Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2024, 12:23

General

  • Target

    bb4007fd7671a35e69586808ff7b07cd.exe

  • Size

    3.5MB

  • MD5

    bb4007fd7671a35e69586808ff7b07cd

  • SHA1

    6396fbb7fd55fb672aa797b6f81fb6fe0a7d4820

  • SHA256

    5cecd403c79f8877b85ffb3453404eab0d8a3e185df67e635d14f797c25eccf6

  • SHA512

    b6bb02584dc604e377b3a308b8816f689f6814c81d2dcce58648e5e82b8a6921e76b81273f930e557cc3c2030b70a140b7e77a3a02622cc613240046e976e94e

  • SSDEEP

    98304:Rfag0nC6uYNe1TGAwiP1M08kslNwG7oz2N:RfuN2es2XkiNwtz2N

Malware Config

Signatures

  • 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.

  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe
    "C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 568
      2⤵
      • Program crash
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/772-0-0x0000000000850000-0x0000000001178000-memory.dmp

    Filesize

    9.2MB

  • memory/772-1-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-2-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-3-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-5-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-4-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-7-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-9-0x0000000075A40000-0x0000000075A87000-memory.dmp

    Filesize

    284KB

  • memory/772-11-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-13-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-15-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-18-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-17-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-22-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-25-0x0000000077E00000-0x0000000077E02000-memory.dmp

    Filesize

    8KB

  • memory/772-24-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-23-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-21-0x0000000075A40000-0x0000000075A87000-memory.dmp

    Filesize

    284KB

  • memory/772-20-0x0000000075A40000-0x0000000075A87000-memory.dmp

    Filesize

    284KB

  • memory/772-19-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-27-0x0000000000850000-0x0000000001178000-memory.dmp

    Filesize

    9.2MB

  • memory/772-26-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/772-28-0x0000000000850000-0x0000000001178000-memory.dmp

    Filesize

    9.2MB

  • memory/772-31-0x0000000075A40000-0x0000000075A87000-memory.dmp

    Filesize

    284KB

  • memory/772-32-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-34-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-33-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-35-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-36-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-37-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-38-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

    Filesize

    1.1MB

  • memory/772-39-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB