Analysis

  • max time kernel
    5s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 10:49

General

  • Target

    b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a.exe

  • Size

    802KB

  • MD5

    41bd3631b15a140a167ef54e11f1a302

  • SHA1

    4f4ab32549682064abd9e1dd52050cf9a63b19f0

  • SHA256

    b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a

  • SHA512

    92e1fa0e4b9c101e707d0851c107cb14b9291d6ae770830a1eaf297e7eaef0a18732ecbc6485ad8f0529d38dde0ea21a40281e53217ef61742f9308b442e074e

  • SSDEEP

    12288:cJSipJ8uhi6UsqHnpQnJxZHDZ0pb0BPjb37ykeuVW/unEIZUlxOnY7a+C:0/S6UsqHn2LjZ0FEPjbDYdIKxQX/

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 53 IoCs
  • Runs .reg file with regedit 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a.exe
    "C:\Users\Admin\AppData\Local\Temp\b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Drops file in Drivers directory
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\regedit.exe
      C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
      2⤵
      • Runs .reg file with regedit
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a.exe
      C:\Users\Admin\AppData\Local\Temp\b0ee56c67daf1bf9163ca9df3ee09b379f15af62eb9e4c39c3bcf5d5b5cd413a.exe
      2⤵
      • Drops file in Drivers directory
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\regedit.exe /S C:\Windows\system32\msscp.reg
        3⤵
        • Runs .reg file with regedit
        PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\taobao.ico

    Filesize

    14KB

    MD5

    468fada123f5548ac87e57bae81f6782

    SHA1

    edb8f012c25906e6afd8bf335b495e16c440243d

    SHA256

    091c882bb307d57f2c7c42309e7ba8740130fef8c3ed772b0bc5e5505e37034d

    SHA512

    635ec26c88c2394dd4f2a81b9aea8f429a91adfeb37ae34e51b03f3cf8e503c123c3685938f40cea07d6146e0c7113aadbe62fa528f1f6d8b995e617fd68a4aa

  • C:\WINDOWS\system32\drivers\etc\hosts

    Filesize

    3KB

    MD5

    988f8cae89a6a58bc59c34cd032fc487

    SHA1

    ab887b8f2147b322db214e09746f24877be7822b

    SHA256

    b5eb7500d132446962609c870183839261ae074e388eda0469f7c3eaccab057a

    SHA512

    5f45108e38cf70e99d450a99827967b4a198b6ae21e18d473a758907ef21f7b22ca95442df110aed32af97229f7c1c39c9f1ce96e78dcbfee2ab4da0c8d71070

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    763B

    MD5

    906b286c430f3a507a1c5a79438d98f2

    SHA1

    d38bd4a829c4a17b299d8505d3476f58039360b5

    SHA256

    71877c82ca162c5fdefce53e512abba0bd57c69e34608f0b298d8a42f625b9ad

    SHA512

    aaca68c7c9cefd8218911a787c08675930d1520c81add9f040d572ba9f9105f6de8f51e3edaa5325dfa7f0ccc4a3cc92ef364b6e09ce521a8fedabf3d001ffda

  • C:\Windows\SysWOW64\msscp.reg

    Filesize

    763B

    MD5

    906b286c430f3a507a1c5a79438d98f2

    SHA1

    d38bd4a829c4a17b299d8505d3476f58039360b5

    SHA256

    71877c82ca162c5fdefce53e512abba0bd57c69e34608f0b298d8a42f625b9ad

    SHA512

    aaca68c7c9cefd8218911a787c08675930d1520c81add9f040d572ba9f9105f6de8f51e3edaa5325dfa7f0ccc4a3cc92ef364b6e09ce521a8fedabf3d001ffda

  • memory/1072-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/1072-55-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1072-67-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1124-56-0x0000000000000000-mapping.dmp

  • memory/1988-58-0x0000000000000000-mapping.dmp

  • memory/1988-66-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/2032-61-0x0000000000000000-mapping.dmp