Resubmissions

22-09-2021 14:16

210922-rk974afedl 10

Analysis

  • max time kernel
    150s
  • max time network
    187s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-09-2021 14:16

General

  • Target

    3e6612264ae84cddf04379c1a1df09197cbf88f9103c825457c837fcdef69887.exe

  • Size

    566KB

  • MD5

    7e8b9cf70707293f8950b2151a3c16f4

  • SHA1

    c925e491311dc75e2c8a7c05d7deb608c95b4e51

  • SHA256

    3e6612264ae84cddf04379c1a1df09197cbf88f9103c825457c837fcdef69887

  • SHA512

    6059abc60ecd8f67dc4d80a189aa9b8631204dc7b38936f3ee0735eb3030ceefb08fba14a492978afe2191fd35ac17c705317dc5c83a216bce23b0b58533630c

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e6612264ae84cddf04379c1a1df09197cbf88f9103c825457c837fcdef69887.exe
    "C:\Users\Admin\AppData\Local\Temp\3e6612264ae84cddf04379c1a1df09197cbf88f9103c825457c837fcdef69887.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1944-59-0x0000000075C31000-0x0000000075C33000-memory.dmp

    Filesize

    8KB

  • memory/1944-61-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/1944-60-0x00000000002F0000-0x0000000000348000-memory.dmp

    Filesize

    352KB

  • memory/1944-62-0x0000000000490000-0x0000000000539000-memory.dmp

    Filesize

    676KB