Analysis

  • max time kernel
    38s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 08:51

General

  • Target

    d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582.exe

  • Size

    151KB

  • MD5

    3971597ef08fc9758f98ee419f7d64b0

  • SHA1

    5626d690cc76321a740abcb7267bd20e041ce1f9

  • SHA256

    d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582

  • SHA512

    a7f2000ce954d19722c02053458712338051b642af30e9bb4408f83395e5ba666917823d205dbd0f0df2ad6c559c3cd81d7ecf328cbcbb25bcbc0e455804a4ac

  • SSDEEP

    3072:zSSgpfmj3EaxypNVfVs5IP5jSRI3CBGYPfnN2Sl9itl/gqfLCLcvgTHmB0nmIout:zap+j1ypNVFjSRI/MN2SagqWLKymIoS

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582.exe
    "C:\Users\Admin\AppData\Local\Temp\d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\msservice32.exe
      C:\Windows\system32\msservice32.exe 524 "C:\Users\Admin\AppData\Local\Temp\d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1236
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\del.bat C:\Windows\SysWOW64\msservice32.exe
        3⤵
          PID:1288

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\del.bat

      Filesize

      136B

      MD5

      bfcf9cc6d1c37953dfa43312e2c36140

      SHA1

      07a4c0f29b282c34be24c312c4b920e479f4cee0

      SHA256

      bac7cce52aeba3a2e2ce2bb6aebf50ffa65530d0d51ca49a2abc7f4e43ce3ce5

      SHA512

      fb661474557e7168d4050607863b57649fa12a26ab9bd06078ae3254d003d76cfed4eac3d0a78a56eaf0ecc5b231d52788b6c8688cb14b0c86a37efe90f5f53a

    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\iwv3qbnj.default-release\user.js

      Filesize

      140B

      MD5

      66592a3bacbb2eff53b68c9a855e1415

      SHA1

      2d8af06f3bd14f1c4385844ed775ecedc359f956

      SHA256

      2efd510d0038b58198efda885cad58ec2a1dc9345b354572f54ad41ce521b277

      SHA512

      ebb22c7d3e1e30dfc26b55fda6abfa9df0973751ac43e396244e6697142f74f5a1117d7e7f24cb4d4c02ce369c4c21091876a0cb9ace86a2b6590b023b89bd4c

    • C:\Windows\SysWOW64\msservice32.exe

      Filesize

      151KB

      MD5

      3971597ef08fc9758f98ee419f7d64b0

      SHA1

      5626d690cc76321a740abcb7267bd20e041ce1f9

      SHA256

      d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582

      SHA512

      a7f2000ce954d19722c02053458712338051b642af30e9bb4408f83395e5ba666917823d205dbd0f0df2ad6c559c3cd81d7ecf328cbcbb25bcbc0e455804a4ac

    • C:\Windows\SysWOW64\msservice32.exe

      Filesize

      151KB

      MD5

      3971597ef08fc9758f98ee419f7d64b0

      SHA1

      5626d690cc76321a740abcb7267bd20e041ce1f9

      SHA256

      d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582

      SHA512

      a7f2000ce954d19722c02053458712338051b642af30e9bb4408f83395e5ba666917823d205dbd0f0df2ad6c559c3cd81d7ecf328cbcbb25bcbc0e455804a4ac

    • \Windows\SysWOW64\msservice32.exe

      Filesize

      151KB

      MD5

      3971597ef08fc9758f98ee419f7d64b0

      SHA1

      5626d690cc76321a740abcb7267bd20e041ce1f9

      SHA256

      d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582

      SHA512

      a7f2000ce954d19722c02053458712338051b642af30e9bb4408f83395e5ba666917823d205dbd0f0df2ad6c559c3cd81d7ecf328cbcbb25bcbc0e455804a4ac

    • \Windows\SysWOW64\msservice32.exe

      Filesize

      151KB

      MD5

      3971597ef08fc9758f98ee419f7d64b0

      SHA1

      5626d690cc76321a740abcb7267bd20e041ce1f9

      SHA256

      d9bae9938d0a9a4c780a4810080d6dc730416ec61375601efced7e4b4604b582

      SHA512

      a7f2000ce954d19722c02053458712338051b642af30e9bb4408f83395e5ba666917823d205dbd0f0df2ad6c559c3cd81d7ecf328cbcbb25bcbc0e455804a4ac

    • memory/1236-61-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/1236-65-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/1968-54-0x0000000075141000-0x0000000075143000-memory.dmp

      Filesize

      8KB

    • memory/1968-60-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB