Analysis

  • max time kernel
    36s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 7 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe
    "C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1928
    • 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:1172
      • 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:1148
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
        3⤵
        • Executes dropped EXE
        PID:812
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\b94c34b47ff7bb61ad8b70f18de510c7.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2028

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

    b1e367b777f6882bae549f5ea05808bd

    SHA1

    189a8b701613fc666aeac735f9aae2f90e349557

    SHA256

    923e19006557b4c7e2a0a070ab85cbeff30c1116f25b83f05927919d527e1935

    SHA512

    8cf1b5ce7f7e94094ac72cc7a122c3ea25a9db54c627413a46c51fd678c21c7fa33d2fa91309aad64e8fab105d92329f364489f7fa1f8196be6ce48df5296a61

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

    43KB

    MD5

    b1e367b777f6882bae549f5ea05808bd

    SHA1

    189a8b701613fc666aeac735f9aae2f90e349557

    SHA256

    923e19006557b4c7e2a0a070ab85cbeff30c1116f25b83f05927919d527e1935

    SHA512

    8cf1b5ce7f7e94094ac72cc7a122c3ea25a9db54c627413a46c51fd678c21c7fa33d2fa91309aad64e8fab105d92329f364489f7fa1f8196be6ce48df5296a61

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

    43KB

    MD5

    b1e367b777f6882bae549f5ea05808bd

    SHA1

    189a8b701613fc666aeac735f9aae2f90e349557

    SHA256

    923e19006557b4c7e2a0a070ab85cbeff30c1116f25b83f05927919d527e1935

    SHA512

    8cf1b5ce7f7e94094ac72cc7a122c3ea25a9db54c627413a46c51fd678c21c7fa33d2fa91309aad64e8fab105d92329f364489f7fa1f8196be6ce48df5296a61

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

    43KB

    MD5

    b1e367b777f6882bae549f5ea05808bd

    SHA1

    189a8b701613fc666aeac735f9aae2f90e349557

    SHA256

    923e19006557b4c7e2a0a070ab85cbeff30c1116f25b83f05927919d527e1935

    SHA512

    8cf1b5ce7f7e94094ac72cc7a122c3ea25a9db54c627413a46c51fd678c21c7fa33d2fa91309aad64e8fab105d92329f364489f7fa1f8196be6ce48df5296a61

  • memory/812-70-0x0000000000400000-0x000000000040D000-memory.dmp
    Filesize

    52KB

  • memory/812-63-0x0000000000000000-mapping.dmp
  • memory/1136-59-0x0000000000000000-mapping.dmp
  • memory/1148-67-0x0000000000000000-mapping.dmp
  • memory/1172-57-0x0000000000000000-mapping.dmp
  • memory/1316-58-0x0000000000000000-mapping.dmp
  • memory/1316-68-0x0000000000130000-0x000000000013D000-memory.dmp
    Filesize

    52KB

  • memory/1316-69-0x0000000000130000-0x000000000013D000-memory.dmp
    Filesize

    52KB

  • memory/1316-71-0x0000000000130000-0x000000000013D000-memory.dmp
    Filesize

    52KB

  • memory/1316-72-0x0000000000130000-0x000000000013D000-memory.dmp
    Filesize

    52KB

  • memory/1928-56-0x0000000000400000-0x000000000040D000-memory.dmp
    Filesize

    52KB

  • memory/1928-54-0x00000000762B1000-0x00000000762B3000-memory.dmp
    Filesize

    8KB

  • memory/1928-55-0x0000000000400000-0x000000000040D000-memory.dmp
    Filesize

    52KB

  • memory/2028-66-0x0000000000000000-mapping.dmp