Analysis

  • max time kernel
    151s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-11-2020 08:47

General

  • Target

    run32dll.exe

  • Size

    412KB

  • MD5

    677f9f62a49e9a2a2212ed2f6e7dd545

  • SHA1

    df2d854aa894676f7d7c3bd9eb833fe955575a6f

  • SHA256

    bf9eb06db25ea1d3138b8e19a18d248df56a04200f9e54edfed850d018d2bb62

  • SHA512

    c52d26091975936bc950bbdf20714859f4ea2eb27dd7aae42ac998a5600364b3f8e2521e734baea73da7e011a516f7cf8103c81516fb811937eca0be30d13e4a

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2029 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\run32dll.exe
    "C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\run32dll.exe
      "C:\Users\Admin\AppData\Local\Temp\run32dll.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        3⤵
        • Executes dropped EXE
        PID:1224

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1240-1-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1240-3-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1240-8-0x00000000003E0000-0x00000000003FE000-memory.dmp

    Filesize

    120KB

  • memory/1240-9-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB