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Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 15:06

General

  • Target

    1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe

  • Size

    169KB

  • MD5

    62933d67ad01379beb4c7391edad0866

  • SHA1

    ac9830bb183c54630e476dbe79715e0289e593ae

  • SHA256

    1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107

  • SHA512

    57e51b619c57879d03db5eff515cee7949104febd11c7437201de34214eadaaf0c24a0775b8768a150fd5053b68e2af718c8a0ac2d689d7db9224ce81bcdd053

  • SSDEEP

    3072:wSCiUFcZZ57LvTnpzow0zuLfPTT0hMkj2cEyxCLGD:VLZZ57b9zow0zYL42kj2cEyxv

Score
8/10

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe
      "C:\Users\Admin\AppData\Local\Temp\1a4d4fa318d0c37279b7ce85137252c504c7a40695fcf4c4d41646e0d0ef9107.exe"
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\$bfcb9398bfb2ca3f1731e604ea3da242\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\$bfcb9398bfb2ca3f1731e604ea3da242\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/4452-134-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4452-135-0x00000000021D0000-0x00000000021EF000-memory.dmp

    Filesize

    124KB