Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 12:05

General

  • Target

    240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe

  • Size

    317KB

  • MD5

    415b52543a92106f55796f445f880750

  • SHA1

    0ebd987235e5a22f132908895b1a858a4586b18b

  • SHA256

    240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacd

  • SHA512

    253d7ae1d158fe351da72694d182ab346c35a2923a0aa4fedd8da2a475dd741b8e31eb12cdc89074591283db3b3d11e1a36b8f35429187bdfac2e99782bda817

  • SSDEEP

    3072:vSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lbaV2:vPA6wxmuJspr2lb6

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 18 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
    "C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe
      "C:\Users\Admin\AppData\Local\Temp\240174d446dcde189dff27555ee0fe34620e482e0fc7e3b92f8b7261c6c3dacdN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:46312
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TQPTH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:46644
        • 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:46328
      • 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:46352
        • 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:31344
        • 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:128012
          • 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:128088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    0654f004b2e314bad7f75867e91da37d

    SHA1

    4232c22e7340b12108d86e3cb35ed288a3dbc7f1

    SHA256

    ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

    SHA512

    dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

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

    Filesize

    317KB

    MD5

    133c4874725f8dcd64b5274f606079ff

    SHA1

    07dcc2ac7e26624a6182d29801c76be169e47757

    SHA256

    f2571953e64193eb71986caedc8c917fe043829df274ca7d555bc394f9a904b8

    SHA512

    885980376fa566f835fa1735ac7bdf99c016dd0c63c7eee624e48bd782f209d179dbf3a9d82d018c7031a959f4d2d2a5c356b929c875cdd0f326ce53850085dd

  • memory/1920-12364-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12390-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-0-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1920-12391-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12362-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12388-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12387-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12386-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12385-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12384-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12383-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12382-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12381-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12380-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12378-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12377-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12376-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12375-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12374-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12373-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12372-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12371-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12370-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12369-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12368-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12367-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12366-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12365-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1920-12389-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-223-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1920-12379-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-12363-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1920-53493-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1920-70-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/31344-106998-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/31344-106978-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53490-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53540-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53488-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53481-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53489-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53522-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-106987-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53536-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53487-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/46312-53693-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53483-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53485-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53692-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53694-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53499-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/46312-53696-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53697-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46312-53539-0x0000000003320000-0x0000000003372000-memory.dmp

    Filesize

    328KB

  • memory/46352-106984-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/46352-53695-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/46352-53538-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/128012-106979-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/128012-106990-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB