Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2024, 20:08

General

  • Target

    bTfk.exe

  • Size

    36KB

  • MD5

    75e7abbc617cf3dbcb68b2bd43d03115

  • SHA1

    182af2e118f11a3a50bc3eec4deb70b22e4faed7

  • SHA256

    77467ced122704b311807b5da3c575217a903e2434bf04c47c0ebf00c19ae474

  • SHA512

    be174023d37f4229cf4474bfe638686e5c3165d0e7f17bea1b0e9d8860a006640e82667ea6066aa24d5fa4b3b3ffdc70256f804c5abf8ed1d23efff1d22acc13

  • SSDEEP

    384:CLd2LzreBCAuKiEZePC45SY2OzRLTm3yilqr6LUbOyvGj:cizrecPEZeK45SssIvGj

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bTfk.exe
    "C:\Users\Admin\AppData\Local\Temp\bTfk.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8B31.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8B73.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2124-0-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-2-0x0000000000260000-0x00000000002A0000-memory.dmp

    Filesize

    256KB

  • memory/2124-37-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-38-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2124-39-0x0000000000260000-0x00000000002A0000-memory.dmp

    Filesize

    256KB