Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 04:42

General

  • Target

    deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4.exe

  • Size

    392KB

  • MD5

    40495d0d673dc995d5805180ec76a7f3

  • SHA1

    f66eb6be004a018db7e0d1b51a4d7b941faef9b0

  • SHA256

    deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4

  • SHA512

    98970c2ab32c74e2d103b9cb310c4bf35555a396cfecd3c039256933baceba6d301820f586f645437fd2f175cb3d5dea93f585f6c115264c61169c0c3405cb1c

  • SSDEEP

    3072:V+ESQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:DPA6wxmuJspr2lb6

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 17 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4.exe
    "C:\Users\Admin\AppData\Local\Temp\deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4.exe
      "C:\Users\Admin\AppData\Local\Temp\deb35e23ed2b264e8333b3d74fd631b2ac577ef896a1f626a819d394c409b7b4.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:180964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\QHQNI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:42936
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:4960
      • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
        "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5008
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:113472
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:113288
          • C:\Windows\syswow64\svchost.exe
            C:\Windows\syswow64\svchost.exe
            5⤵
            • Adds policy Run key to start application
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            PID:113632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\QHQNI.bat

          Filesize

          139B

          MD5

          0654f004b2e314bad7f75867e91da37d

          SHA1

          4232c22e7340b12108d86e3cb35ed288a3dbc7f1

          SHA256

          ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

          SHA512

          dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

        • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

          Filesize

          392KB

          MD5

          b29399db6b1519bd4a92efb1998503aa

          SHA1

          bfddd311b57ca0e40bbd637eabc6f4f1b5d1039e

          SHA256

          73cba404a8470eff8af0cfcd3971ce48e44729f311f101a0357d8ccd04c9c4d8

          SHA512

          b0422b17bbb16da2ad431d9940a9fcf7b7180669fad86db62d16ac9960fba3c18025c1bace2d1119ac1719cc969ce6c9df018674f21ed109b6281c83d965a029

        • memory/1304-11298-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11320-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11315-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11324-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11323-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11322-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11321-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11295-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11319-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11318-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11317-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11316-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11314-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11313-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11312-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11311-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11310-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11309-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11308-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11306-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11305-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11303-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11302-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11301-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11300-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11299-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-223-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/1304-11297-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-0-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/1304-11307-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11304-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-11296-0x0000000000090000-0x0000000000190000-memory.dmp

          Filesize

          1024KB

        • memory/1304-53493-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/1304-3-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/1304-81-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

        • memory/5008-53695-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/5008-106982-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/113288-106979-0x0000000000400000-0x0000000000405000-memory.dmp

          Filesize

          20KB

        • memory/113472-106995-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53500-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53535-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53489-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53490-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53523-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53488-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53538-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53537-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53692-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53693-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53694-0x00000000025B0000-0x0000000002612000-memory.dmp

          Filesize

          392KB

        • memory/180964-53481-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-106987-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53483-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53485-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/180964-53487-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB