Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 11:14

General

  • Target

    d8a977071676464fe8d540d72fc99acf.exe

  • Size

    6.9MB

  • MD5

    d8a977071676464fe8d540d72fc99acf

  • SHA1

    0f6e3e5023469f58c190e1c8563b95de87ea65b4

  • SHA256

    b44304c86c1ed108574eab57a316b72d2602e473be5fcbff69fd4c8b067eb452

  • SHA512

    66ac4b77e393340efa0d6155a0da50c876c8af50d883cbc9261dd26a6894aa2db74993f62f8aa7ae49177332949025b4c6efe863d5035291c5d148ff002a8cee

  • SSDEEP

    196608:SHEJHZ/eTq1Gftof7bIj9yHyCkZZV5v/n1rS+slCCmFK:VpPGfiUTTBc+ymY

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8a977071676464fe8d540d72fc99acf.exe
    "C:\Users\Admin\AppData\Local\Temp\d8a977071676464fe8d540d72fc99acf.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /TN REV_3576 /TR "'wscript.exe' C:\Users\Admin\AppData\Roaming\{SWR2-FK23-IDQR-PRXQ-JDF9-6YT9}\\Silent.vbs C:\Users\Admin\AppData\Roaming\{SWR2-FK23-IDQR-PRXQ-JDF9-6YT9}\\REV_2807.cmd" /sc ONLOGON /RL HIGHEST /F
      2⤵
      • Creates scheduled task(s)
      PID:2452
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2424
    • C:\Windows\SysWOW64\setx.exe
      "C:\Windows\System32\setx.exe" ProgramData "C:\ProgramData"
      2⤵
        PID:2912
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:280

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \patch\krn.dll

        Filesize

        1.1MB

        MD5

        9b98d47916ead4f69ef51b56b0c2323c

        SHA1

        290a80b4ded0efc0fd00816f373fcea81a521330

        SHA256

        96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

        SHA512

        68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

      • \patch\ntd2.dll

        Filesize

        1.2MB

        MD5

        d124f55b9393c976963407dff51ffa79

        SHA1

        2c7bbedd79791bfb866898c85b504186db610b5d

        SHA256

        ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

        SHA512

        278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

      • memory/2080-23-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-51-0x0000000075F70000-0x0000000075FB7000-memory.dmp

        Filesize

        284KB

      • memory/2080-4-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-5-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-6-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-8-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-0-0x0000000000400000-0x0000000000B06000-memory.dmp

        Filesize

        7.0MB

      • memory/2080-7-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-10-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-11-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-13-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-14-0x0000000066000000-0x000000006618C000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-15-0x0000000075F70000-0x0000000075FB7000-memory.dmp

        Filesize

        284KB

      • memory/2080-17-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-19-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-20-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-21-0x0000000066000000-0x000000006618C000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-25-0x0000000066000000-0x000000006618C000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-9-0x0000000075F70000-0x0000000075FB7000-memory.dmp

        Filesize

        284KB

      • memory/2080-3-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-22-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-26-0x0000000000400000-0x0000000000B06000-memory.dmp

        Filesize

        7.0MB

      • memory/2080-29-0x0000000000400000-0x0000000000B06000-memory.dmp

        Filesize

        7.0MB

      • memory/2080-2-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-1-0x0000000075F70000-0x0000000075FB7000-memory.dmp

        Filesize

        284KB

      • memory/2080-24-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

        Filesize

        8KB

      • memory/2080-50-0x0000000066000000-0x000000006618C000-memory.dmp

        Filesize

        1.5MB

      • memory/2080-49-0x0000000075CC0000-0x0000000075DD0000-memory.dmp

        Filesize

        1.1MB

      • memory/2080-48-0x0000000000400000-0x0000000000B06000-memory.dmp

        Filesize

        7.0MB

      • memory/2424-46-0x00000000736B0000-0x0000000073C5B000-memory.dmp

        Filesize

        5.7MB

      • memory/2424-47-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB

      • memory/2424-45-0x00000000736B0000-0x0000000073C5B000-memory.dmp

        Filesize

        5.7MB

      • memory/2424-44-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/2424-42-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/2424-40-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/2424-52-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB

      • memory/2424-58-0x00000000736B0000-0x0000000073C5B000-memory.dmp

        Filesize

        5.7MB

      • memory/2424-59-0x00000000736B0000-0x0000000073C5B000-memory.dmp

        Filesize

        5.7MB

      • memory/2424-60-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB

      • memory/2424-61-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB