Analysis

  • max time kernel
    24s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:54

General

  • Target

    137da267595362d0dd8c7db94c1b3ede5dbf1c50db11910f1e744ff6b1f33918.exe

  • Size

    506KB

  • MD5

    110c9d0751fc34165b2ac572d1da64b1

  • SHA1

    b8f495f76da0467fc0a57c8312b4e2b1ce0fc38a

  • SHA256

    137da267595362d0dd8c7db94c1b3ede5dbf1c50db11910f1e744ff6b1f33918

  • SHA512

    32219b18bb42bb2b8f7cead20e7598b28dfd2de2b2f561bcd1d7c4f0db96d9b0554b97044400d0c66c222838deb26190e6f0d2da256517828d3d714154861f99

  • SSDEEP

    12288:wlbU+M1gL5pRTcAkS/3hzN8qE43fm78V8:WbU+p5jcAkSYqyE8

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 8 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\137da267595362d0dd8c7db94c1b3ede5dbf1c50db11910f1e744ff6b1f33918.exe
    "C:\Users\Admin\AppData\Local\Temp\137da267595362d0dd8c7db94c1b3ede5dbf1c50db11910f1e744ff6b1f33918.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\WINDOWS\MSWDM.EXE
      "C:\WINDOWS\MSWDM.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:4336
    • C:\WINDOWS\MSWDM.EXE
      -r!C:\Windows\dev593C.tmp!C:\Users\Admin\AppData\Local\Temp\137da267595362d0dd8c7db94c1b3ede5dbf1c50db11910f1e744ff6b1f33918.exe! !
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Users\Admin\AppData\Local\Temp\137DA267595362D0DD8C7DB94C1B3EDE5DBF1C50DB11910F1E744FF6B1F33918.EXE
        3⤵
        • Executes dropped EXE
        PID:4392
      • C:\WINDOWS\MSWDM.EXE
        -e!C:\Windows\dev593C.tmp!C:\Users\Admin\AppData\Local\Temp\137DA267595362D0DD8C7DB94C1B3EDE5DBF1C50DB11910F1E744FF6B1F33918.EXE!
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:776

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\137DA267595362D0DD8C7DB94C1B3EDE5DBF1C50DB11910F1E744FF6B1F33918.EXE
    Filesize

    506KB

    MD5

    95a8b4e4c53a1fb2b45207ff5796ceea

    SHA1

    50c6cef48407d0ae2e6cb528d31eece4999dc805

    SHA256

    49f9accf242534110fbfa85756987b5c005f021542e04db786f1a42365c87377

    SHA512

    e921f62ef1f1ae7c41401eca2638cc852daba96058a8f971887f79833416ea6747dac8133a165849e35dc9cc7ae3cb1201a7a7fc646629200277a19228a1b218

  • C:\Windows\MSWDM.EXE
    Filesize

    48KB

    MD5

    bbbb0cd00ecee4398cfbb727e05fc129

    SHA1

    f5e881fe23eed99368e64f59bcff02ac803ec8ea

    SHA256

    13c373c306bf19c9926d4d44d2f6d1789938436821ad2a0de9b58ddb86ef6b15

    SHA512

    cfd58804e453d022a62715fa236a974ec693296dc634821c9051c77467b35d83e3d89d178a2c1cf37d21f7e6a6a147ff51b82a475ed1d3d5403ca165dc6bcb8b

  • C:\Windows\dev593C.tmp
    Filesize

    458KB

    MD5

    619f7135621b50fd1900ff24aade1524

    SHA1

    6c7ea8bbd435163ae3945cbef30ef6b9872a4591

    SHA256

    344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

    SHA512

    2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

  • memory/776-20-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1480-0-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1480-7-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2752-11-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2752-23-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4336-24-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB