Analysis

  • max time kernel
    149s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 15:20

General

  • Target

    21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe

  • Size

    935KB

  • MD5

    7430d7b8004b8e92ca1ac07d35c0bb56

  • SHA1

    cee925b2f21376c0ac7c3d86609d03290d3f7f32

  • SHA256

    21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa

  • SHA512

    de4533ad76b9e7ce099acbdcb024242bb5abbad78a794ad91807f880ce3f33ddd48602576def201e4f46df978bb9f156a1e81fe124fc3097128fe6aede9c34dc

  • SSDEEP

    12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4h:pyHv5Z+Wzv7AiBll0OBWi6si9Gw

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe
    "C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe
      "C:\Users\Admin\AppData\Local\Temp\21b1b858ac145e4e56d2a93903e237a4d9fffdbf70be1b25054c10f9b01fd5fa.exe" Track="0001001000"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4892-133-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/4892-135-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/4892-136-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/4892-137-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/4892-138-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB