Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    15-07-2020 05:39

General

  • Target

    logo.gif.exe

  • Size

    334KB

  • MD5

    2dba5eaa753b51add319fae08b7f1b4a

  • SHA1

    83ae229398bc6b01e781dd84e737232302bcff07

  • SHA256

    54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f

  • SHA512

    43d758807c85f5421d89b286778c0319f6ed2d3e9e59fe4c29324655a1d493bf83a01336fe459c8ac9c6e94fb4433ab219bcbb54e786c988fa48521e6c4ba361

Score
10/10

Malware Config

Extracted

Family

remcos

C2

update.huobibtc.net:443

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\logo.gif.exe
    "C:\Users\Admin\AppData\Local\Temp\logo.gif.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Users\Admin\AppData\Local\Temp\logo.gif.exe
      "C:\Users\Admin\AppData\Local\Temp\logo.gif.exe"
      2⤵
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\VideoPlayer\VideoPlayer.exe"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1496
          • C:\Users\Admin\AppData\Roaming\VideoPlayer\VideoPlayer.exe
            C:\Users\Admin\AppData\Roaming\VideoPlayer\VideoPlayer.exe
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetThreadContext
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1812
            • C:\Users\Admin\AppData\Roaming\VideoPlayer\VideoPlayer.exe
              "C:\Users\Admin\AppData\Roaming\VideoPlayer\VideoPlayer.exe"
              6⤵
              • Adds policy Run key to start application
              • Executes dropped EXE
              • Adds Run key to start application
              PID:1328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1328-16-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1608-4-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1608-1-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1644-8-0x00000000025A0000-0x00000000025A4000-memory.dmp

    Filesize

    16KB