Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01/12/2020, 14:19

General

  • Target

    PURCHASE.exe

  • Size

    1.0MB

  • MD5

    9d1cdf69f551af40c1a7751c978cf097

  • SHA1

    bb7e5cd610da1dfe8004ef3bbca45013b502f7bf

  • SHA256

    01b712edb711a5ff50c21720fbca31081e9e376b4abd410f235d6d0e0d043726

  • SHA512

    d88ff5f569071d96589793fc4b693e158fef351f553a5cd189ac10c295b0df9636cce6d3e41d0b70dc318fe86c65e6983f94c861b9e177d06b83cea9341f1e0c

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sWiACXUvRplzzN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2636.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:632
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\PURCHASE.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/992-26-0x0000000006DA0000-0x0000000006DA1000-memory.dmp

    Filesize

    4KB

  • memory/992-22-0x0000000006450000-0x0000000006451000-memory.dmp

    Filesize

    4KB

  • memory/992-17-0x0000000073430000-0x0000000073B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/992-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1684-34-0x0000000006E70000-0x0000000006E71000-memory.dmp

    Filesize

    4KB

  • memory/1684-38-0x0000000008DF0000-0x0000000008E23000-memory.dmp

    Filesize

    204KB

  • memory/1684-50-0x0000000009070000-0x0000000009071000-memory.dmp

    Filesize

    4KB

  • memory/1684-48-0x0000000009080000-0x0000000009081000-memory.dmp

    Filesize

    4KB

  • memory/1684-47-0x00000000090D0000-0x00000000090D1000-memory.dmp

    Filesize

    4KB

  • memory/1684-46-0x0000000008F20000-0x0000000008F21000-memory.dmp

    Filesize

    4KB

  • memory/1684-45-0x0000000008DB0000-0x0000000008DB1000-memory.dmp

    Filesize

    4KB

  • memory/1684-36-0x0000000007EA0000-0x0000000007EA1000-memory.dmp

    Filesize

    4KB

  • memory/1684-25-0x0000000073430000-0x0000000073B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-27-0x0000000004310000-0x0000000004311000-memory.dmp

    Filesize

    4KB

  • memory/1684-35-0x0000000007E50000-0x0000000007E51000-memory.dmp

    Filesize

    4KB

  • memory/1684-28-0x0000000006EA0000-0x0000000006EA1000-memory.dmp

    Filesize

    4KB

  • memory/1684-30-0x0000000006D80000-0x0000000006D81000-memory.dmp

    Filesize

    4KB

  • memory/1684-31-0x00000000076B0000-0x00000000076B1000-memory.dmp

    Filesize

    4KB

  • memory/1684-33-0x00000000077A0000-0x00000000077A1000-memory.dmp

    Filesize

    4KB

  • memory/4688-2-0x0000000073430000-0x0000000073B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/4688-3-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

    Filesize

    4KB

  • memory/4688-5-0x0000000005A10000-0x0000000005A11000-memory.dmp

    Filesize

    4KB

  • memory/4688-11-0x0000000007080000-0x000000000717E000-memory.dmp

    Filesize

    1016KB

  • memory/4688-6-0x00000000055F0000-0x00000000055F1000-memory.dmp

    Filesize

    4KB

  • memory/4688-7-0x0000000005750000-0x0000000005751000-memory.dmp

    Filesize

    4KB

  • memory/4688-8-0x0000000006440000-0x0000000006441000-memory.dmp

    Filesize

    4KB

  • memory/4688-9-0x00000000058E0000-0x00000000058E1000-memory.dmp

    Filesize

    4KB

  • memory/4688-10-0x0000000005800000-0x000000000580E000-memory.dmp

    Filesize

    56KB