Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 01:59

General

  • Target

    97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe

  • Size

    392KB

  • MD5

    1fb6f9dbd8b2406b2f3f6751402387a5

  • SHA1

    01aac21e1f3983fab9a11af3bec34131625c7071

  • SHA256

    97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8

  • SHA512

    e5c07f6c37c60525e2a5965a683bb8b5f00bcb97914452eaea1de19ab38514c836a84d0e4ee7db98cd2c26b8c93e1f6cf383a6e5deaba83ea017447529a9dee1

  • 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 54 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe
    "C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe
      "C:\Users\Admin\AppData\Local\Temp\97a2922411f42b6144d30d614aef1a9fc129b8cffbc7c4e2b5eeb7d4afe5cde8.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:185388
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:185636
        • 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:185688
      • 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:185712
        • 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:104268
        • 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:104376
          • 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:13984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    0654f004b2e314bad7f75867e91da37d

    SHA1

    4232c22e7340b12108d86e3cb35ed288a3dbc7f1

    SHA256

    ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

    SHA512

    dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

    Filesize

    392KB

    MD5

    2ebd8e370582d7253534eaf0bbdadefe

    SHA1

    398aea6945d4b9bc43ab0d1e7ba79a4eed6d199c

    SHA256

    78f94b9f04cdb29e966c87095afb13be83d1892fe3325ad28569c1c84f904949

    SHA512

    5aa521e306d1d6b502f2dbc014b31fcc916b56844be384fa14b21ec3676c8f5f5f0799c02f9599067925a3011ea2b820fa9c3c8dc70d57a31800ec3ddbac22fb

  • memory/1272-8757-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8782-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8760-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8783-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8780-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8778-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8775-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8773-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8770-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8756-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-53493-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1272-8761-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8771-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8769-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1272-71-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1272-8755-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-0-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1272-8784-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8759-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8781-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8779-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8777-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8776-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8774-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8772-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-223-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1272-8758-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8762-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8767-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8766-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8765-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8764-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8763-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1272-8768-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/104268-106975-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/104268-106994-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/104376-106976-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/185388-53535-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-53483-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53690-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53691-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-53487-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/185388-53521-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-53537-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-53536-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-53500-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53481-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53485-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53692-0x0000000003340000-0x00000000033A2000-memory.dmp

    Filesize

    392KB

  • memory/185388-106984-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53488-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53490-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185388-53489-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/185712-106981-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/185712-53694-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB