Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 13:29

General

  • Target

    9a217cf11b0abe9da14ce4ffea4233a7.exe

  • Size

    251KB

  • MD5

    9a217cf11b0abe9da14ce4ffea4233a7

  • SHA1

    d8b98ae3ff4250d73ad144dbf55afe049d440fc8

  • SHA256

    b3f098d7108cb12704938864b6375b27395b54ab92af9aa5dd3334442be490bd

  • SHA512

    c646388b8ecfcaf40f63b23b83d79d14be5f6dfaece67d47cefcea505c8fe25f8a1c82a8c0fb8f7b86a6b75cc81d2b6c5d6a087da8ee4c644763ce35d3ef94e3

  • SSDEEP

    6144:qb9iXkv6DOSCyJFDVhtc9HZlXqBLLXP1MxH:qb9EkKFFXtIHCje

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 34 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a217cf11b0abe9da14ce4ffea4233a7.exe
    "C:\Users\Admin\AppData\Local\Temp\9a217cf11b0abe9da14ce4ffea4233a7.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\Regsvr32.exe
      Regsvr32.exe C:\Windows\system32\Ms7002.dll /s
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:2800
    • C:\$Recycle.Bin\wininit.exe
      C:\$Recycle.Bin\wininit.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\Regsvr32.exe
        Regsvr32.exe C:\Windows\system32\Ms7002.dll /s
        3⤵
        • Loads dropped DLL
        PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\wininit.exe

    Filesize

    251KB

    MD5

    705e95e8020ace45e820a0351f6dcea9

    SHA1

    82485383761883cad04d28d7bdbacf6e372d2072

    SHA256

    c9c3013161725a075099b39ffc3dbb054ade2b42e5d69adac58591b6769e2b25

    SHA512

    d90811be574222948a2205e5f3c48396788c3791915dfd508bd7e918032614f420efdab5730222a2c0a28253ddbd64972c2a3faae918a033ccf778142392d8e2

  • C:\Windows\SysWOW64\Ms7002.dll

    Filesize

    52KB

    MD5

    876a2a99b81968f5b26e3cbe12063d2b

    SHA1

    7afa8f33b691b2651b65eb07220cc2fda4b7537c

    SHA256

    f0a7ec2edff7699e546221808f45ca8816a75eb519618283d7c4514dfb9134e0

    SHA512

    ca0574dbb5ff4b146679ffc38aa794e64470949cd228518d04d3680d63a1ce2f076e38494fa5b6cd0722c2dc3e35c5b5c3b63483c1fa7dc62bca42c4cf8e0ce1

  • memory/2820-26-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2820-28-0x0000000000400000-0x000000000047D000-memory.dmp

    Filesize

    500KB

  • memory/3068-0-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3068-29-0x0000000000400000-0x000000000047D000-memory.dmp

    Filesize

    500KB