Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-07-2021 08:49

General

  • Target

    0000990008T.exe

  • Size

    204KB

  • MD5

    00f5caf530f4b521d37e784cdbdd84fe

  • SHA1

    ba4342ea14cf43c94cfe9ae002dbb56ce575bb2b

  • SHA256

    379362027442526fd4d4be9a6fd95b5cc1e6af9387cd508be24c6d5a6bdcba15

  • SHA512

    d76fe9c38a66892d42fc6a5394020b25c9811cc522ae47da590fd7740c09149c00baec189f9fca776d6d7259585919b4b13b1687db9f3efaaab38d04a18aeb70

Malware Config

Signatures

  • A310logger

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

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty Payload 4 IoCs
  • A310logger Executable 10 IoCs
  • Executes dropped EXE 3 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0000990008T.exe
    "C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\0000990008T.exe
      "C:\Users\Admin\AppData\Local\Temp\0000990008T.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1848
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3672
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1676
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3976
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/656-114-0x0000000000540000-0x000000000068A000-memory.dmp

    Filesize

    1.3MB

  • memory/1676-134-0x00000000029C0000-0x00000000029C2000-memory.dmp

    Filesize

    8KB

  • memory/1848-125-0x0000000002570000-0x0000000002572000-memory.dmp

    Filesize

    8KB

  • memory/1900-141-0x0000000000AE0000-0x0000000000AE2000-memory.dmp

    Filesize

    8KB

  • memory/2880-121-0x00000000016F0000-0x00000000016F1000-memory.dmp

    Filesize

    4KB

  • memory/2880-119-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/3644-118-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3672-129-0x0000000002670000-0x0000000002671000-memory.dmp

    Filesize

    4KB

  • memory/3976-137-0x0000000001530000-0x0000000001531000-memory.dmp

    Filesize

    4KB