Analysis

  • max time kernel
    130s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2022 21:35

General

  • Target

    b94c34b47ff7bb61ad8b70f18de510c7.exe

  • Size

    43KB

  • MD5

    b94c34b47ff7bb61ad8b70f18de510c7

  • SHA1

    152ba262535deb241a9dbdc004c69a1564ff7803

  • SHA256

    6cb97cb356491c601fe9b104bdeeb12351741ab13c77ce335bbb5c4981d13323

  • SHA512

    ebfe6ce357802b8a158046144fea2532fceaa0188aceba1be49af365bd93f17ba6a07a7f8ba766a15f9d817832b815d9724509a8cdc67fe9085bb5d31f544dcc

  • SSDEEP

    384:MnyhSksAVndb4G3w2NMsG9OqvhyY3Q6oVxYwwsRhg7+iXXRodY6kLdAeMs:1hSksandb4GgyMsp4hyYtoVxYdT7ZXqE

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe
    "C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:4440
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        3⤵
        • Executes dropped EXE
        PID:3752
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4468

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    Filesize

    43KB

    MD5

    1aed8064522cf6be4ca5c511322c037f

    SHA1

    960dd569304c70868dc3a5e968c873bfa8bd8168

    SHA256

    0651c0321b93bf70b1ca920fdbe9b25ba1aaaec734249c4afb43dcfc34f3d6f9

    SHA512

    aa5c6596ec1b5a020622820d91332e54e84141a34164fe735dc9763d84a381891af43aa7674b776691e75f4a9180062be79ec616afc7e79e97eb2d198a7d6968

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    Filesize

    43KB

    MD5

    1aed8064522cf6be4ca5c511322c037f

    SHA1

    960dd569304c70868dc3a5e968c873bfa8bd8168

    SHA256

    0651c0321b93bf70b1ca920fdbe9b25ba1aaaec734249c4afb43dcfc34f3d6f9

    SHA512

    aa5c6596ec1b5a020622820d91332e54e84141a34164fe735dc9763d84a381891af43aa7674b776691e75f4a9180062be79ec616afc7e79e97eb2d198a7d6968

  • memory/396-136-0x0000000000000000-mapping.dmp
  • memory/1432-138-0x0000000000000000-mapping.dmp
  • memory/2260-137-0x0000000000000000-mapping.dmp
  • memory/3348-135-0x0000000000400000-0x000000000040D000-memory.dmp
    Filesize

    52KB

  • memory/3348-139-0x0000000000400000-0x000000000040D000-memory.dmp
    Filesize

    52KB

  • memory/3752-140-0x0000000000000000-mapping.dmp
  • memory/4440-144-0x0000000000000000-mapping.dmp
  • memory/4468-142-0x0000000000000000-mapping.dmp