Analysis

  • max time kernel
    141s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    15/08/2022, 16:25

General

  • Target

    200bbb757192fb530d38711a112338ba.exe

  • Size

    847KB

  • MD5

    200bbb757192fb530d38711a112338ba

  • SHA1

    259c77525cf161a376a07ed9a035c3064e2a1f17

  • SHA256

    dfdea8e5cc329e17847e129d8e515043b0dba31f1af48304f28dd181483607ae

  • SHA512

    b387ea9263598db899501f202f754e0bbc39b72be177857809a70fc4608310b46e00fe9d96e9cc00d2a2c9ce48bec764f0f4aaa989724d0079711b8cd37866ea

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 4 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 SetThreadContext 2 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 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe
    "C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RAUXoDciVwKR.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RAUXoDciVwKR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDD9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1396
    • C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe
      "C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe"
      2⤵
        PID:1320
      • C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe
        "C:\Users\Admin\AppData\Local\Temp\200bbb757192fb530d38711a112338ba.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          3⤵
          • Accesses Microsoft Outlook profiles
          • Checks processor information in registry
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:772

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpEDD9.tmp

            Filesize

            1KB

            MD5

            d7e3475b27b27ec1e6261ffab8aaaa1a

            SHA1

            c6d7817fad852936e7ba762c86dcf3c5939de21a

            SHA256

            937c90d8b9ae2700437d5cf6ebaeb21b16daa9644099074943aa08e0b5868d46

            SHA512

            39fcef8997968efb9dc18c30b486cf4a64bd4671b6095f7800a9551298ddd4f78c0c58234a9a0d0cefecb12cbe62c2e8eb4fc20a7e92594164d046e86cd11740

          • memory/772-85-0x00000000000B0000-0x00000000000CA000-memory.dmp

            Filesize

            104KB

          • memory/772-83-0x00000000000B0000-0x00000000000CA000-memory.dmp

            Filesize

            104KB

          • memory/772-80-0x00000000000B0000-0x00000000000CA000-memory.dmp

            Filesize

            104KB

          • memory/772-78-0x00000000000B0000-0x00000000000CA000-memory.dmp

            Filesize

            104KB

          • memory/1488-63-0x0000000005EC0000-0x0000000005EEC000-memory.dmp

            Filesize

            176KB

          • memory/1488-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

            Filesize

            8KB

          • memory/1488-54-0x0000000000100000-0x00000000001D8000-memory.dmp

            Filesize

            864KB

          • memory/1488-56-0x00000000040E0000-0x00000000040F8000-memory.dmp

            Filesize

            96KB

          • memory/1488-57-0x0000000004100000-0x000000000410C000-memory.dmp

            Filesize

            48KB

          • memory/1488-58-0x0000000004E10000-0x0000000004E7E000-memory.dmp

            Filesize

            440KB

          • memory/1712-77-0x000000006E430000-0x000000006E9DB000-memory.dmp

            Filesize

            5.7MB

          • memory/1712-87-0x000000006E430000-0x000000006E9DB000-memory.dmp

            Filesize

            5.7MB

          • memory/1928-67-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-75-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-72-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-69-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-65-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-64-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/1928-88-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB