Analysis

  • max time kernel
    37s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 08:30

General

  • Target

    8acec9bc9d1aa3ca3dcc50293e2c115f1ed206b04f67e5141c8ebfd305d42fda.exe

  • Size

    370KB

  • MD5

    8091833dc47aa8d21989bcc8707568e4

  • SHA1

    57531109f42439992c5a345271d31ef5e2629280

  • SHA256

    8acec9bc9d1aa3ca3dcc50293e2c115f1ed206b04f67e5141c8ebfd305d42fda

  • SHA512

    9358616625595a61beb00a6d1e358a8254d4dfd949732ad8257f85228c7b2b921b78df3d3ff9b3f9d03819081be786315ad16de16887293a5e7baea27a0d8cd5

  • SSDEEP

    6144:8862ZTPZdrokO97yoY8olVoAaQB+4NINOaA+eJzTaMYA2W/EUZR/5dFYGjkSoFju:rLh7rHi7HY/3JL4ARYA2nsR/9puFjT72

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8acec9bc9d1aa3ca3dcc50293e2c115f1ed206b04f67e5141c8ebfd305d42fda.exe
    "C:\Users\Admin\AppData\Local\Temp\8acec9bc9d1aa3ca3dcc50293e2c115f1ed206b04f67e5141c8ebfd305d42fda.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_win_path
    PID:884
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msipbv32.dll,aVqUVkhQnU
      2⤵
      • Loads dropped DLL
      PID:1608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 884 -s 340
      2⤵
      • Program crash
      PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\msipbv32.dll

    Filesize

    175KB

    MD5

    501457fd2ec6154443aa5144b08ec8e2

    SHA1

    6ab33026b6596c7e43c28456492cc8688988c9c0

    SHA256

    a8d78c6e1076f2d5a4abbf4abfeb64f2de3dd00841875b37afe4ab5f4b152a76

    SHA512

    2cfdadf2504d6dadbad25099ee0840c9065c4f82d1bcd4dd5382da2bde0b67b8ea80809b9c6cb30142e31305ea45e8f50062d6e584eca87f7f1c461c461c0670

  • \Windows\SysWOW64\msipbv32.dll

    Filesize

    175KB

    MD5

    501457fd2ec6154443aa5144b08ec8e2

    SHA1

    6ab33026b6596c7e43c28456492cc8688988c9c0

    SHA256

    a8d78c6e1076f2d5a4abbf4abfeb64f2de3dd00841875b37afe4ab5f4b152a76

    SHA512

    2cfdadf2504d6dadbad25099ee0840c9065c4f82d1bcd4dd5382da2bde0b67b8ea80809b9c6cb30142e31305ea45e8f50062d6e584eca87f7f1c461c461c0670

  • \Windows\SysWOW64\msipbv32.dll

    Filesize

    175KB

    MD5

    501457fd2ec6154443aa5144b08ec8e2

    SHA1

    6ab33026b6596c7e43c28456492cc8688988c9c0

    SHA256

    a8d78c6e1076f2d5a4abbf4abfeb64f2de3dd00841875b37afe4ab5f4b152a76

    SHA512

    2cfdadf2504d6dadbad25099ee0840c9065c4f82d1bcd4dd5382da2bde0b67b8ea80809b9c6cb30142e31305ea45e8f50062d6e584eca87f7f1c461c461c0670

  • \Windows\SysWOW64\msipbv32.dll

    Filesize

    175KB

    MD5

    501457fd2ec6154443aa5144b08ec8e2

    SHA1

    6ab33026b6596c7e43c28456492cc8688988c9c0

    SHA256

    a8d78c6e1076f2d5a4abbf4abfeb64f2de3dd00841875b37afe4ab5f4b152a76

    SHA512

    2cfdadf2504d6dadbad25099ee0840c9065c4f82d1bcd4dd5382da2bde0b67b8ea80809b9c6cb30142e31305ea45e8f50062d6e584eca87f7f1c461c461c0670

  • \Windows\SysWOW64\msipbv32.dll

    Filesize

    175KB

    MD5

    501457fd2ec6154443aa5144b08ec8e2

    SHA1

    6ab33026b6596c7e43c28456492cc8688988c9c0

    SHA256

    a8d78c6e1076f2d5a4abbf4abfeb64f2de3dd00841875b37afe4ab5f4b152a76

    SHA512

    2cfdadf2504d6dadbad25099ee0840c9065c4f82d1bcd4dd5382da2bde0b67b8ea80809b9c6cb30142e31305ea45e8f50062d6e584eca87f7f1c461c461c0670

  • memory/884-57-0x0000000001EE0000-0x0000000001F67000-memory.dmp

    Filesize

    540KB

  • memory/884-62-0x0000000001EE0000-0x0000000001F67000-memory.dmp

    Filesize

    540KB

  • memory/884-60-0x0000000000240000-0x000000000029A000-memory.dmp

    Filesize

    360KB

  • memory/884-58-0x0000000001EE0000-0x0000000001F67000-memory.dmp

    Filesize

    540KB

  • memory/884-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/884-56-0x0000000000240000-0x000000000029A000-memory.dmp

    Filesize

    360KB

  • memory/884-55-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1608-69-0x0000000010000000-0x0000000010087000-memory.dmp

    Filesize

    540KB