Analysis

  • max time kernel
    80s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 07:07

General

  • Target

    034c7d8fabacc35fd6312cf438124340.exe

  • Size

    1004KB

  • MD5

    034c7d8fabacc35fd6312cf438124340

  • SHA1

    e3bdb12270794012fd7fbb79637fc43119751f40

  • SHA256

    95129ce014d0264688c32aaddf7707ec591f6be1335f5cd67b44e9983b61da9b

  • SHA512

    957c6a136319b5360dd05e1c3f7f580a7601c6a8c39071268f17a4cc00a6d560db4233f0b96a65357fe6c369e434d7c173849028db31aa7f57b32e50e268ee2d

Malware Config

Signatures

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks whether UAC is enabled 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Checks for installed software on the system 1 TTPs 30 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Kills process with taskkill 1 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

Processes

  • C:\Users\Admin\AppData\Local\Temp\034c7d8fabacc35fd6312cf438124340.exe
    "C:\Users\Admin\AppData\Local\Temp\034c7d8fabacc35fd6312cf438124340.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Loads dropped DLL
    • Modifies system certificate store
    • Checks for installed software on the system
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:1496
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://localhost:15720/
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:1980
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1980 CREDAT:275457 /prefetch:2
        3⤵
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1792
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C taskkill /F /PID 1496 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\034c7d8fabacc35fd6312cf438124340.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /PID 1496
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Kills process with taskkill
        PID:1960
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:564

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads