Analysis

  • max time kernel
    128s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06-08-2021 17:19

General

  • Target

    Invoicel-datasheet.pif.exe

  • Size

    876KB

  • MD5

    0bb1c29f4a8c046e798cd9781cc127a7

  • SHA1

    bbad89c8d04b20f63d36014f00ded3818e595a53

  • SHA256

    139b8756b01add9dcac07d3a0137b0ea49a932fc4804ad0eca63ffc2958eda72

  • SHA512

    4b439bd85c725f104be24956525a6ae1a16dba28fe254695cbd667933d0cce2225e9a0f934ef17e1f5ef65ac033aa6ed72d016e3bed0bf270dd3d1eef12de63f

Malware Config

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • A310logger Executable 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoicel-datasheet.pif.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoicel-datasheet.pif.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JacGDBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3237.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:588
    • C:\Users\Admin\AppData\Local\Temp\Invoicel-datasheet.pif.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        3⤵
        • Executes dropped EXE
        PID:640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/568-72-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/568-80-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

    Filesize

    4KB

  • memory/568-67-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/568-71-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

    Filesize

    8KB

  • memory/640-77-0x0000000001070000-0x0000000001071000-memory.dmp

    Filesize

    4KB

  • memory/640-79-0x000000001B1D0000-0x000000001B1D2000-memory.dmp

    Filesize

    8KB

  • memory/1116-64-0x0000000005030000-0x000000000509F000-memory.dmp

    Filesize

    444KB

  • memory/1116-59-0x0000000000E20000-0x0000000000E21000-memory.dmp

    Filesize

    4KB

  • memory/1116-63-0x0000000008100000-0x00000000081B9000-memory.dmp

    Filesize

    740KB

  • memory/1116-62-0x0000000000210000-0x0000000000212000-memory.dmp

    Filesize

    8KB

  • memory/1116-61-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

    Filesize

    4KB