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Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 07:15

General

  • Target

    b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe

  • Size

    197KB

  • MD5

    d3fa003c76cb8d135dc71803f2a89c1b

  • SHA1

    5a7f16f01574c4971a2d883e6abc6133f75e2778

  • SHA256

    b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff

  • SHA512

    947e6816759172a16ec351504a41363953f13bc394fddd2c9b8813b2b181e6fe7454e50179753a8942b98853e110b639e9eca4e69a85efec7eae1f26d3b5a531

  • SSDEEP

    3072:n3K/eEZNrWKFXgrVFHMdEU4+B4I3hfr4FJ8ehq59MaKeGU/IP95CYwFnjEj:3CTsFHOErrC14FJ8ehqDKeGUCz

Score
8/10

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Deletes itself 1 IoCs
  • Unexpected DNS network traffic destination 8 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:464
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe
      "C:\Users\Admin\AppData\Local\Temp\b13b5fb5149159804ce40bf710af806b673b51f426a7d528113074bb9b1e97ff.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \systemroot\Installer\{d4e37f8e-5af0-9b64-e86d-0830097e992e}\@

    Filesize

    2KB

    MD5

    0bb4e877054db30eb89d1431e51c6bb9

    SHA1

    c33bda8619365601ac0885458665533e38bcec9a

    SHA256

    b11e38bb0f65e335a5a897480bd1a7f3fef8f6c9b260dcd459dad34c54e48e65

    SHA512

    fa0ee8e1dfcefc31e8465acff62eecf4b99f9e19c75339898d35b94146fc46712765a6e499315a9b7899dcf1b1018ca65d85bee9855a56d08a04cd62834a1ab6

  • memory/464-82-0x00000000000C0000-0x00000000000CF000-memory.dmp

    Filesize

    60KB

  • memory/464-81-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/464-78-0x00000000000C0000-0x00000000000CF000-memory.dmp

    Filesize

    60KB

  • memory/464-77-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/464-69-0x00000000000B0000-0x00000000000BF000-memory.dmp

    Filesize

    60KB

  • memory/464-73-0x00000000000B0000-0x00000000000BF000-memory.dmp

    Filesize

    60KB

  • memory/1360-64-0x0000000002220000-0x000000000222F000-memory.dmp

    Filesize

    60KB

  • memory/1360-76-0x00000000026D0000-0x00000000026DF000-memory.dmp

    Filesize

    60KB

  • memory/1360-75-0x0000000002200000-0x000000000220C000-memory.dmp

    Filesize

    48KB

  • memory/1360-60-0x0000000002220000-0x000000000222F000-memory.dmp

    Filesize

    60KB

  • memory/1360-80-0x0000000002200000-0x000000000220C000-memory.dmp

    Filesize

    48KB

  • memory/1360-56-0x0000000002220000-0x000000000222F000-memory.dmp

    Filesize

    60KB

  • memory/1464-54-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1464-79-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1464-55-0x0000000000230000-0x0000000000268000-memory.dmp

    Filesize

    224KB

  • memory/1464-84-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB