Resubmissions

22-09-2021 14:37

210922-ry949adad8 10

Analysis

  • max time kernel
    300s
  • max time network
    275s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-04-2024 14:46

General

  • Target

    45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe

  • Size

    1.2MB

  • MD5

    9d06f72aeb10616c07e774187dfdce95

  • SHA1

    9c71200fd05f22fa12971c0ad4232d4fc169430d

  • SHA256

    45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c

  • SHA512

    e1bf5a51c59420355c1bae2c241d52e007a60fddb5847647e49c71b65abd1210d87a5cdb23ea62e7e2863bd86bb99ae89cd66767c906e8322634dc33ec454843

  • SSDEEP

    12288:u+rq0yKJ7KZeBA4DVzlzEyn2QFqTjCAjkTnV/QH7OTzId2nfpN3fXb:FW0yreAkpzP/QCAjkTmbOwYRZL

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe
    "C:\Users\Admin\AppData\Local\Temp\45b8f4130d70db6e59cc17cae406798f5e40f97f460caf032d59b2a1715ec33c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4432
    • C:\windows\hh.exe
      "C:\windows\hh.exe"
      2⤵
        PID:3276
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        2⤵
        • Executes dropped EXE
        PID:4960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

      Filesize

      3KB

      MD5

      b4cd27f2b37665f51eb9fe685ec1d373

      SHA1

      7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

      SHA256

      91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

      SHA512

      e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

    • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

      Filesize

      28B

      MD5

      2301f28086d5fe2ec2320701ae28ed5e

      SHA1

      2683e41c01a5224a43bf162496a73978b7b99306

      SHA256

      beab8bb81e150efb2ac751a66007b154ffe1594d6be97b6a3735ba25ea7d58ab

      SHA512

      a8083d7c30b57331cad7cf077878250f7b1c1201bca8739fc2ea3edbc1687045dbd96353bc9d35cad2f22e95e257125a9acec99eb33a764d3579c64c64356694

    • memory/4432-16-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-4-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-17-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-6-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-5-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-7-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-8-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-2-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/4432-19-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-15-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-42-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-3-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-1-0x0000000002A60000-0x0000000002B42000-memory.dmp

      Filesize

      904KB

    • memory/4432-22-0x00000000023E0000-0x00000000023E1000-memory.dmp

      Filesize

      4KB

    • memory/4432-23-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-25-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-27-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-30-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-32-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-34-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-39-0x0000000002B50000-0x0000000002BEF000-memory.dmp

      Filesize

      636KB

    • memory/4432-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

      Filesize

      4KB