Analysis

  • max time kernel
    42s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 08:53

General

  • Target

    2a9d2ee578beb9b61da312eebd4536980371a2030f5c5fdab883fb1f6f3b4aa5.exe

  • Size

    365KB

  • MD5

    f14e55bd05db5ee4a296e6701526bf33

  • SHA1

    da4b120ab625165c3864187615aeb0fb37398928

  • SHA256

    2a9d2ee578beb9b61da312eebd4536980371a2030f5c5fdab883fb1f6f3b4aa5

  • SHA512

    d51634a000543c7eba204f12b477cc2106f7e0619eca2165b6fc059116885b4596ac1072d4e629b2ca201b58d78342037901bdf3119c19b9dd677dca8092b0f9

  • SSDEEP

    6144:ihk8knu5jGR85+DdLqDcrblgGBVwttYAs1PDy4jEfBd58hRrk62W66pnJVuaFdBY:iOJuxGO5SxBgGsYhm4a83rNpXpnJVNVY

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • UPX packed file 8 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\2a9d2ee578beb9b61da312eebd4536980371a2030f5c5fdab883fb1f6f3b4aa5.exe
    "C:\Users\Admin\AppData\Local\Temp\2a9d2ee578beb9b61da312eebd4536980371a2030f5c5fdab883fb1f6f3b4aa5.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:2032
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msijio32.dll,BEXzMJ
      2⤵
      • Loads dropped DLL
      PID:1880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 340
      2⤵
      • Program crash
      PID:972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\msijio32.dll

    Filesize

    172KB

    MD5

    32e92264cf3fbe851f3fc4cd51634933

    SHA1

    5d146c35f4786695dbbfd6ea418d27d1f2922416

    SHA256

    4518dc085c0a5f6223e8ad23c17379711ec4c2b012c6c5f770cda16adc21a307

    SHA512

    88a2118107593aa3c0d9433a39511bbef629fc82b388e7d3c5639f02d73392547a3803fe070abfe58c55de4da01528cd5ce1ae25563624a52538cfad3e072b9f

  • \Windows\SysWOW64\msijio32.dll

    Filesize

    172KB

    MD5

    32e92264cf3fbe851f3fc4cd51634933

    SHA1

    5d146c35f4786695dbbfd6ea418d27d1f2922416

    SHA256

    4518dc085c0a5f6223e8ad23c17379711ec4c2b012c6c5f770cda16adc21a307

    SHA512

    88a2118107593aa3c0d9433a39511bbef629fc82b388e7d3c5639f02d73392547a3803fe070abfe58c55de4da01528cd5ce1ae25563624a52538cfad3e072b9f

  • \Windows\SysWOW64\msijio32.dll

    Filesize

    172KB

    MD5

    32e92264cf3fbe851f3fc4cd51634933

    SHA1

    5d146c35f4786695dbbfd6ea418d27d1f2922416

    SHA256

    4518dc085c0a5f6223e8ad23c17379711ec4c2b012c6c5f770cda16adc21a307

    SHA512

    88a2118107593aa3c0d9433a39511bbef629fc82b388e7d3c5639f02d73392547a3803fe070abfe58c55de4da01528cd5ce1ae25563624a52538cfad3e072b9f

  • \Windows\SysWOW64\msijio32.dll

    Filesize

    172KB

    MD5

    32e92264cf3fbe851f3fc4cd51634933

    SHA1

    5d146c35f4786695dbbfd6ea418d27d1f2922416

    SHA256

    4518dc085c0a5f6223e8ad23c17379711ec4c2b012c6c5f770cda16adc21a307

    SHA512

    88a2118107593aa3c0d9433a39511bbef629fc82b388e7d3c5639f02d73392547a3803fe070abfe58c55de4da01528cd5ce1ae25563624a52538cfad3e072b9f

  • \Windows\SysWOW64\msijio32.dll

    Filesize

    172KB

    MD5

    32e92264cf3fbe851f3fc4cd51634933

    SHA1

    5d146c35f4786695dbbfd6ea418d27d1f2922416

    SHA256

    4518dc085c0a5f6223e8ad23c17379711ec4c2b012c6c5f770cda16adc21a307

    SHA512

    88a2118107593aa3c0d9433a39511bbef629fc82b388e7d3c5639f02d73392547a3803fe070abfe58c55de4da01528cd5ce1ae25563624a52538cfad3e072b9f

  • memory/972-61-0x0000000000000000-mapping.dmp

  • memory/1880-58-0x0000000000000000-mapping.dmp

  • memory/1880-67-0x0000000010000000-0x0000000010086000-memory.dmp

    Filesize

    536KB

  • memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

    Filesize

    8KB

  • memory/2032-59-0x0000000001EA0000-0x0000000001F26000-memory.dmp

    Filesize

    536KB

  • memory/2032-57-0x0000000001EA0000-0x0000000001F26000-memory.dmp

    Filesize

    536KB

  • memory/2032-56-0x0000000000230000-0x000000000028A000-memory.dmp

    Filesize

    360KB

  • memory/2032-55-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2032-68-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2032-69-0x0000000000230000-0x000000000028A000-memory.dmp

    Filesize

    360KB