Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 20:53

General

  • Target

    3c5523cf52da21ab640bfbac535b5981.exe

  • Size

    538KB

  • MD5

    3c5523cf52da21ab640bfbac535b5981

  • SHA1

    9f65f7146b6dcc64461b18883b9a702261e23178

  • SHA256

    11b885a1003a521f4e30aca452c0c4870aaf2397917a4178d31284a0e3e9d948

  • SHA512

    30b032e42072c117fdc3442db19a5acf2c65462bc2393a5e77ae7e01546459a816543726b4e51f62f05a6fb26ee43c4527f30995b1c8a74f3b73763721e6172c

  • SSDEEP

    12288:pJSZtERUJ48z9TY4PDZKAAkvvSpG43wbyEvv/Hjagq92:pJ8wi9T3PFKATl43WH/2/2

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c5523cf52da21ab640bfbac535b5981.exe
    "C:\Users\Admin\AppData\Local\Temp\3c5523cf52da21ab640bfbac535b5981.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Users\Admin\AppData\Local\Temp\n6208\s6208.exe
      "C:\Users\Admin\AppData\Local\Temp\n6208\s6208.exe" ins.exe /h 85e3fe.api.socdn.com /u 50b892e5-d96c-476b-834e-555c5bc06f2f /e 12854946 /v "C:\Users\Admin\AppData\Local\Temp\3c5523cf52da21ab640bfbac535b5981.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\n6208\s6208.exe

    Filesize

    345KB

    MD5

    5f5a1f0603ba809db5ea1ff7570ed99a

    SHA1

    726ecbae66163c9806fb40bc1f1af5ef22365787

    SHA256

    a9c36c80ae7273725f00b2717074049edc4682ce7ca7cc6b4071f4538d41bbc4

    SHA512

    f3e08386de98863eb3b683863aeed211aa888d39765156c8ce5ff0563e887317c5a405bcde92cd41a61dca0046d2e6db2b0acb70639321f8f3d57938731b0c45

  • memory/2768-17-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-18-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-34-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2768-35-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-36-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-37-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-38-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-39-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-40-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-41-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-42-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-43-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB

  • memory/2768-44-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-45-0x0000000002060000-0x00000000020E0000-memory.dmp

    Filesize

    512KB