Resubmissions

20/07/2023, 09:07

230720-k3sx7sfd4w 7

20/07/2023, 09:04

230720-k12gkaef72 7

Analysis

  • max time kernel
    276s
  • max time network
    291s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2023, 09:07

General

  • Target

    TTWireConfirmation_20230720 pdf.exe

  • Size

    40KB

  • MD5

    6577e3088e19e789d8cdc328c5c5fe21

  • SHA1

    dabd810e66018ff0b27c891f358fe413e8891fbd

  • SHA256

    177f753bd39be134d1eb4298663f3dfc9d6291a9d6ed56df851604800ae0d5b6

  • SHA512

    f685c5f09f5be1ec031ba3e4e2990e34b5fa5063e5290da36ac3669f591fffc9a3f95e04bd00ea1e77e68692ae270756438a70dd836291f4e96ed33addb49d0f

  • SSDEEP

    768:LZzeRDK3EaC8l2hP3SScNY8cfRqTuM+1+I:LZzCDK3Eaqh36G8BTugI

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
      2⤵
        PID:4676
      • C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
        2⤵
          PID:1880
        • C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\TTWireConfirmation_20230720 pdf.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4936

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TTWireConfirmation_20230720 pdf.exe.log

        Filesize

        1KB

        MD5

        a13312e452bb67b8b110b6d7fbc6cf6f

        SHA1

        057c5cc1d9b4c48eb1cb78463d8d7599f8fd8a50

        SHA256

        d5e1315b62697659a967e9aaac291e96ab9cc7d90bab47bc30e6c338a81f479b

        SHA512

        1e60ceb2af03e9eb8a347bf0ae2e57601ca82e51ec14962eba368393da46f939ff0429d54d59c8a90fbc8f32ed71c880634e0239ccc26c86c40496acdac7b9b0

      • memory/4852-133-0x0000000000130000-0x0000000000140000-memory.dmp

        Filesize

        64KB

      • memory/4852-134-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-135-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

        Filesize

        64KB

      • memory/4852-136-0x0000000005460000-0x0000000005482000-memory.dmp

        Filesize

        136KB

      • memory/4852-137-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-138-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-141-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-140-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-143-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-145-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-147-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-149-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-151-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-153-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-155-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-157-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-159-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-161-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-163-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-165-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-167-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-169-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-171-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-173-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-175-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-177-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-179-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-181-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-183-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-185-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-187-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-189-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-191-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-193-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-195-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-197-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-199-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-201-0x0000000005DC0000-0x0000000005E9A000-memory.dmp

        Filesize

        872KB

      • memory/4852-1460-0x0000000005490000-0x0000000005491000-memory.dmp

        Filesize

        4KB

      • memory/4852-1461-0x0000000006A00000-0x0000000006FA4000-memory.dmp

        Filesize

        5.6MB

      • memory/4852-1467-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4936-1466-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4936-1468-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/4936-1469-0x0000000005820000-0x0000000005830000-memory.dmp

        Filesize

        64KB

      • memory/4936-1470-0x0000000005830000-0x0000000005896000-memory.dmp

        Filesize

        408KB

      • memory/4936-1471-0x0000000006EB0000-0x0000000006F00000-memory.dmp

        Filesize

        320KB

      • memory/4936-1472-0x0000000006FA0000-0x0000000007032000-memory.dmp

        Filesize

        584KB

      • memory/4936-1473-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4936-1474-0x0000000006F40000-0x0000000006F4A000-memory.dmp

        Filesize

        40KB

      • memory/4936-1475-0x0000000005820000-0x0000000005830000-memory.dmp

        Filesize

        64KB