Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2023 16:10

General

  • Target

    easyMalicious05d418023a1f.exe

  • Size

    1013KB

  • MD5

    20ccff9fe7e559f00672bb32f5f05dd6

  • SHA1

    9f57ec4334cf336853ddbfba912ed3b32d05a69e

  • SHA256

    cf84b3618117d23efa8f6bdb0b7934c6d920e52723580c44866fdaf31148f75e

  • SHA512

    50eee511d87b2e091e9b8e1cd87bce1fd6805b73ea3b9c8c25876f6afae275564aa535ce7de2db0976c88fea02d09f4732eac3929b6077cbf51e4494334c8680

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxV:7J5gEKNikf3hBfUiWxV

Score
10/10

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\easyMalicious05d418023a1f.exe
    "C:\Users\Admin\AppData\Local\Temp\easyMalicious05d418023a1f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1013KB

    MD5

    29827ff9649a5b6d8d9bc725c1dd181d

    SHA1

    ae1a9438e8d7340b16904a166415d0cc41063423

    SHA256

    694e274ea5f8b974aa5e0c714685ad28b3966a7fdebb9b2c4fe9f08487165571

    SHA512

    dbfedccc5342ea872b8962c6f4ce60e48700b531a172c25f2f19334e665bccff654861b33958ce95664a8cdb2c0395064993c04ee5bdf17c040926584bddc204

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1013KB

    MD5

    29827ff9649a5b6d8d9bc725c1dd181d

    SHA1

    ae1a9438e8d7340b16904a166415d0cc41063423

    SHA256

    694e274ea5f8b974aa5e0c714685ad28b3966a7fdebb9b2c4fe9f08487165571

    SHA512

    dbfedccc5342ea872b8962c6f4ce60e48700b531a172c25f2f19334e665bccff654861b33958ce95664a8cdb2c0395064993c04ee5bdf17c040926584bddc204

  • C:\Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    1013KB

    MD5

    29827ff9649a5b6d8d9bc725c1dd181d

    SHA1

    ae1a9438e8d7340b16904a166415d0cc41063423

    SHA256

    694e274ea5f8b974aa5e0c714685ad28b3966a7fdebb9b2c4fe9f08487165571

    SHA512

    dbfedccc5342ea872b8962c6f4ce60e48700b531a172c25f2f19334e665bccff654861b33958ce95664a8cdb2c0395064993c04ee5bdf17c040926584bddc204

  • memory/1660-144-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1660-145-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/1660-146-0x00000000025D0000-0x00000000029D0000-memory.dmp

    Filesize

    4.0MB

  • memory/1660-147-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4364-134-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4364-135-0x00000000021B0000-0x00000000021B1000-memory.dmp

    Filesize

    4KB

  • memory/4364-136-0x0000000002680000-0x0000000002A80000-memory.dmp

    Filesize

    4.0MB