Resubmissions

01-11-2024 12:33

241101-pradyaypdv 10

27-10-2024 23:08

241027-24hmasskhj 10

20-10-2024 16:28

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20-10-2024 16:26

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02-10-2024 11:53

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11-09-2024 15:54

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25-08-2024 22:53

240825-2t6als1gll 10

Analysis

  • max time kernel
    281s
  • max time network
    284s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    01-11-2024 12:33

General

  • Target

    dl2.exe

  • Size

    849KB

  • MD5

    c2055b7fbaa041d9f68b9d5df9b45edd

  • SHA1

    e4bd443bd4ce9029290dcd4bb47cb1a01f3b1b06

  • SHA256

    342f04c4720590c40d24078d46d9b19d8175565f0af460598171d58f5ffc48f3

  • SHA512

    18905b75938b8af9468b1aa3ffbae796a139c2762e623aa6ffb9ec2b293dd04aa1f90d1ed5a7dbda7853795a3688e368121a134c7f63e527a8e5e7679301a1dc

  • SSDEEP

    12288:A3RY3yNqMRTF4q2rxHn2ot/81xpNQyjUXlmoe7ufjHAtjXD7r2:A3RY3R24q+xn/8Xp2yOl5fzQ/2

Score
10/10

Malware Config

Signatures

  • BazarBackdoor 22 IoCs

    Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

  • Bazarbackdoor family
  • Tries to connect to .bazar domain 21 IoCs

    Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

  • Unexpected DNS network traffic destination 21 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dl2.exe
    "C:\Users\Admin\AppData\Local\Temp\dl2.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1196
  • C:\Users\Admin\AppData\Local\Temp\dl2.exe
    C:\Users\Admin\AppData\Local\Temp\dl2.exe {7A47848C-37B8-4D4E-8B80-565135B6F845}
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1628
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • BazarBackdoor
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5280
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2300
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k SDRSVC
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1428
    • C:\Users\Admin\AppData\Local\Temp\dl2.exe
      "C:\Users\Admin\AppData\Local\Temp\dl2.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1196-8-0x00000000005B0000-0x00000000006B0000-memory.dmp

      Filesize

      1024KB

    • memory/1196-1-0x0000000002150000-0x0000000002180000-memory.dmp

      Filesize

      192KB

    • memory/1196-18-0x00000000005B0000-0x00000000006B0000-memory.dmp

      Filesize

      1024KB

    • memory/1628-10-0x0000000000660000-0x0000000000690000-memory.dmp

      Filesize

      192KB

    • memory/1628-17-0x0000000000690000-0x0000000000790000-memory.dmp

      Filesize

      1024KB

    • memory/4600-34-0x00000000005F0000-0x0000000000620000-memory.dmp

      Filesize

      192KB

    • memory/5280-28-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-29-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-30-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-27-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-26-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-25-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-21-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-20-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-19-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB

    • memory/5280-31-0x000001F270CF0000-0x000001F270CF1000-memory.dmp

      Filesize

      4KB