Resubmissions

22-11-2024 22:54

241122-2vh7gaxmfl 10

22-11-2024 03:27

241122-dzqkcatmht 10

22-11-2024 03:16

241122-dsgc4atlgs 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 22:54

General

  • Target

    a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43.exe

  • Size

    212KB

  • MD5

    c697914b3e3c115391e5a32e6d8d3a98

  • SHA1

    b61335cc60ff37680e82c7245ec268d206fc21e2

  • SHA256

    a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43

  • SHA512

    dbdd230a9829eeae3cbb7ba7cead7b378661275ca3a97bef7c4d60a7c8a5a475120bda551c2e2d81e69f9cc4f0dc798f9160d2e94d11f1ed3cc9cdf4752ae35b

  • SSDEEP

    3072:HTS1pU/dvuuCtCxzxXXQu+pbSCu9P+5qd/o1x3wPWnK:HTeu/Zat6gH9un0ePW

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43.exe
    "C:\Users\Admin\AppData\Local\Temp\a66dde22983583da6d3b1e5b9eb1e8fb019f5157eda508305942292c0d10fa43.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\system32\explorer.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer Phishing Filter
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SYSTEM32\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:4152
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\abekelataheficij\01000000

    Filesize

    212KB

    MD5

    d6d1c8fbb124b1fb48ebfee6ebbc30cb

    SHA1

    8aadacd8913e4c51a1a6630335d896cc7d6aea55

    SHA256

    67691b9abbfb53e5d4a755077749fccc637219f5d1bef4b248f51c2c89eaa00d

    SHA512

    456433369157acb4b48f4b5fc2c7dd22a4930fb79e70ddc87af30e8708f34d8dbac5690ad649eaa82a3024184b75f4d9e2c1c0497617d7f9def8f57b6b8b577c

  • memory/1484-2-0x0000000000800000-0x0000000000838000-memory.dmp

    Filesize

    224KB

  • memory/1484-7-0x0000000000800000-0x0000000000838000-memory.dmp

    Filesize

    224KB

  • memory/1484-11-0x0000000000800000-0x0000000000838000-memory.dmp

    Filesize

    224KB

  • memory/1484-14-0x0000000000800000-0x0000000000838000-memory.dmp

    Filesize

    224KB