Analysis

  • max time kernel
    106s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 11:32

General

  • Target

    SirHurt V4.exe

  • Size

    10.8MB

  • MD5

    7c3571a7144ec0c26d3a9d79372fff35

  • SHA1

    3296d8dce9241321c67a16345c58258d53aa5853

  • SHA256

    22e8e3d7e060d661f3d7aa3a8c1161c79ae82da32cee3b8c2c9786fb2e850da1

  • SHA512

    50a94bb2cef96f31c3be268ba5680f24a94759279ac586f322fe2efb064f5fc2801dbd44735b22908b6f5f0752b9b2b67e3cbba52dda3a3f6279bb221ca2e5af

  • SSDEEP

    196608:P8LSXPcSJFDBB7XDx0YVtL4Y4KPXulDpCiC1iGxukZw3SKVr8XGm:ThTXt0YV14kW1GiG1ZwCKOG

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 5 IoCs

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

  • Themida packer 3 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 behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SirHurt V4.exe
    "C:\Users\Admin\AppData\Local\Temp\SirHurt V4.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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\bin\DebugData.txt

    Filesize

    284B

    MD5

    12bacf75586ab89c0bd95659e7ec2e82

    SHA1

    3592b4ba99a1b077e2bf4d6e441fa87a53c9ad7d

    SHA256

    ac6370319f1406e71b40464a12dc295745dd590c740527ccadafc71eb0d556f2

    SHA512

    869ba0c24e54ae753007ac7330e51ae8e0663507b1151c95578e0cb700a37ab89f5ea270a83c63977461a4f9e9f57b4166a826ce2fdda054e162cb847bece27c

  • memory/880-18-0x0000000006390000-0x00000000063F6000-memory.dmp

    Filesize

    408KB

  • memory/880-20-0x00000000064D0000-0x00000000064DE000-memory.dmp

    Filesize

    56KB

  • memory/880-2-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-4-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-5-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-6-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-7-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-8-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-10-0x00000000774F4000-0x00000000774F6000-memory.dmp

    Filesize

    8KB

  • memory/880-12-0x0000000000400000-0x000000000144E000-memory.dmp

    Filesize

    16.3MB

  • memory/880-21-0x00000000076E0000-0x0000000007722000-memory.dmp

    Filesize

    264KB

  • memory/880-14-0x0000000005C30000-0x00000000061D4000-memory.dmp

    Filesize

    5.6MB

  • memory/880-15-0x0000000005AF0000-0x0000000005B82000-memory.dmp

    Filesize

    584KB

  • memory/880-16-0x0000000005C00000-0x0000000005C0A000-memory.dmp

    Filesize

    40KB

  • memory/880-17-0x0000000006360000-0x000000000636E000-memory.dmp

    Filesize

    56KB

  • memory/880-0-0x0000000000400000-0x000000000144E000-memory.dmp

    Filesize

    16.3MB

  • memory/880-3-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-19-0x0000000006410000-0x00000000064CA000-memory.dmp

    Filesize

    744KB

  • memory/880-13-0x0000000000400000-0x000000000144E000-memory.dmp

    Filesize

    16.3MB

  • memory/880-22-0x00000000070E0000-0x0000000007234000-memory.dmp

    Filesize

    1.3MB

  • memory/880-23-0x00000000067D0000-0x0000000006800000-memory.dmp

    Filesize

    192KB

  • memory/880-24-0x0000000007B10000-0x0000000007B16000-memory.dmp

    Filesize

    24KB

  • memory/880-25-0x0000000008F30000-0x00000000091BE000-memory.dmp

    Filesize

    2.6MB

  • memory/880-26-0x00000000091C0000-0x0000000009514000-memory.dmp

    Filesize

    3.3MB

  • memory/880-27-0x0000000007BC0000-0x0000000007BC6000-memory.dmp

    Filesize

    24KB

  • memory/880-28-0x0000000000400000-0x000000000144E000-memory.dmp

    Filesize

    16.3MB

  • memory/880-29-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-30-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/880-1-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-38-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-39-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-40-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB

  • memory/880-43-0x0000000000400000-0x000000000144E000-memory.dmp

    Filesize

    16.3MB

  • memory/880-44-0x0000000076060000-0x0000000076150000-memory.dmp

    Filesize

    960KB