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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 02:40

General

  • Target

    49f5368f5d533b0a9422926bf93e4e30N.exe

  • Size

    245KB

  • MD5

    49f5368f5d533b0a9422926bf93e4e30

  • SHA1

    aa8b781c935ebcefbd8dcea8e2faa7e5ecca0078

  • SHA256

    23631f91ff110875307a093809cbfb0813fd461b37c0fadbf9bbe8fc4c7446bd

  • SHA512

    5014488c6b77c4bc594fba78da5ce5fd1807ef34fb842e448b9f214646a31ff3308c1a6f653ed70986f1aeca666e973a262149b1a9fe077a8166f7ecf7e643f7

  • SSDEEP

    3072:JVHgCc4xGvbwcU9KQ2BBAHmaPxzVoTb5Ecvi5PZGIFBj:MCc4xGxWKQ2BonxfPDPj

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.byethost12.com
  • Port:
    21
  • Username:
    b12_8082975
  • Password:
    951753zx

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49f5368f5d533b0a9422926bf93e4e30N.exe
    "C:\Users\Admin\AppData\Local\Temp\49f5368f5d533b0a9422926bf93e4e30N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Program Files (x86)\bae9db32\jusched.exe
      "C:\Program Files (x86)\bae9db32\jusched.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\bae9db32\bae9db32

    Filesize

    17B

    MD5

    134c1d489094d6d3399f65b0e9aebc1f

    SHA1

    612a57fbe6ed3ab9c15b39451171d813314a28d5

    SHA256

    54f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781

    SHA512

    b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed

  • C:\Program Files (x86)\bae9db32\jusched.exe

    Filesize

    245KB

    MD5

    14e619cfd905e5de5821679e71ab66f5

    SHA1

    bb57891a53b7c7ef99838dbc449bdd5deeb71c65

    SHA256

    9de8df00c471e85a804135d21c5164308a86b797346a4c5006dc4e4b0c18661e

    SHA512

    bc57505ac9ebba53a5c68b8cf3cd37fc27760258ad8294fb26d1d81fc80f025c6b3822adbbb1dcdcbb473e8775b00738cc371ca9d4074acdad0ec964d6698418

  • memory/3548-15-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3548-17-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3744-0-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3744-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB