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Analysis

  • max time kernel
    47s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 13:52

General

  • Target

    bcb1d84904ec07a5ee10676e93e1ee2cc6fb7617097390499624c0610e265684.exe

  • Size

    514KB

  • MD5

    a60f1572c9c41bf33ca479a5445121d7

  • SHA1

    38e622782b15050c6ee420e8aaa859c067201ac4

  • SHA256

    bcb1d84904ec07a5ee10676e93e1ee2cc6fb7617097390499624c0610e265684

  • SHA512

    b0e176c6463990c63c1f903d4201ef745f52c807a2618a5f9060ac4df76734d90c52f980929e6f48b49e0c22cc87c639bfc577b45a0b09460accdbc60e41ac29

  • SSDEEP

    12288:J8U6sBwlrjT0k+g/QoRePwF0sOuUhaPGx8YXX8r//:J8U6hjTnQoRMwK+IaYXX8rn

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcb1d84904ec07a5ee10676e93e1ee2cc6fb7617097390499624c0610e265684.exe
    "C:\Users\Admin\AppData\Local\Temp\bcb1d84904ec07a5ee10676e93e1ee2cc6fb7617097390499624c0610e265684.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\n6039\s6039.exe
      "C:\Users\Admin\AppData\Local\Temp\n6039\s6039.exe" ins.exe /h ce089b.api.socdn.com /e 12637312 /u 528b6372-4588-49a1-a5e1-2d2e0a000013 /v "C:\Users\Admin\AppData\Local\Temp\bcb1d84904ec07a5ee10676e93e1ee2cc6fb7617097390499624c0610e265684.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • C:\Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • \Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • \Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • \Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • \Users\Admin\AppData\Local\Temp\n6039\s6039.exe

    Filesize

    340KB

    MD5

    f5220788421dbad45b2f6531adb04585

    SHA1

    2f0a68726f46218f0c8811f1476eb275fdc417ac

    SHA256

    c19bc0934102dc4445933bdf41e70570aa4432b874c24671657e1d113d251f1d

    SHA512

    30a35e20ec156e512c0cd67fa561057465df3bb64ebd681e26999e306c5c79e15b0dcf2625b69a54b84f9ee5b2e53ff360651d3b5a0104872e6f0528fd5f4043

  • memory/1416-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB

  • memory/1780-62-0x000007FEF4000000-0x000007FEF4A23000-memory.dmp

    Filesize

    10.1MB

  • memory/1780-63-0x000007FEF2F60000-0x000007FEF3FF6000-memory.dmp

    Filesize

    16.6MB

  • memory/1780-64-0x00000000009D6000-0x00000000009F5000-memory.dmp

    Filesize

    124KB

  • memory/1780-65-0x000007FEED5E0000-0x000007FEEE46F000-memory.dmp

    Filesize

    14.6MB

  • memory/1780-66-0x000007FEF2480000-0x000007FEF276A000-memory.dmp

    Filesize

    2.9MB

  • memory/1780-67-0x00000000009D6000-0x00000000009F5000-memory.dmp

    Filesize

    124KB