Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 15:13

General

  • Target

    BLdraftedCopy200524.exe

  • Size

    472KB

  • MD5

    04b8fc8f6182aa25305b19c0917aa7d7

  • SHA1

    fcf7d768cb6ba5067723b694984fd20b8e0a079a

  • SHA256

    f08569862f95f332a676932f77eed6f4321c1e6bf3f24a6f3398dc6608ca8353

  • SHA512

    0118012b0eb44b91037b8a31fb5fd3fc55042d9009756badf221d9c24943e294521688cc90c47285ecd11d165a8c6b6bf4bcf6675d0412e2c385346e8cc53811

  • SSDEEP

    12288:vi3hR5SANo8/O2zaKBtD1sJG9GIzwmG5hvnHQ:K3hv5j/zbDmskwwm+dQ

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BLdraftedCopy200524.exe
    "C:\Users\Admin\AppData\Local\Temp\BLdraftedCopy200524.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\BLdraftedCopy200524.exe
      "C:\Users\Admin\AppData\Local\Temp\BLdraftedCopy200524.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:4592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsa6013.tmp\BgImage.dll

    Filesize

    7KB

    MD5

    9436196007f65f0ae96f64b1c8b2572e

    SHA1

    4b004b5c2865c9450876be83faa8cc96e1d12c01

    SHA256

    286f246ee18bf91c4a80fa2cdb61077a4bcf0a3fd6582be4b4ab6a5cb3de44c9

    SHA512

    5c172675fbbea214471ac35eebaa6ab9bd1306268144085adbad3bba4a815430ed028cac169e8b5a6fd00818684f65d7bdd32f11773bc6152e62ef80f895d35e

  • C:\Users\Admin\AppData\Local\Temp\nsa6013.tmp\System.dll

    Filesize

    11KB

    MD5

    8b3830b9dbf87f84ddd3b26645fed3a0

    SHA1

    223bef1f19e644a610a0877d01eadc9e28299509

    SHA256

    f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

    SHA512

    d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

  • C:\Users\Admin\AppData\Local\Temp\nsa6013.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    82c3f38cd34739872af07443c65d0bd8

    SHA1

    1f4ee2d394404a291eda6419f856adaf4b960237

    SHA256

    59cdb2c12d5635fd25af4007b70222507948be41fa9885b7f07967c2510a5311

    SHA512

    3a81c0613b1ea906ad4f103b02620217de69a8676dbb7ec41cf31f342a0a74562815a8d4f2efe9866fc16365f58524ac71652e99920acea355f020028775743d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Printer Shortcuts\Krydsrevisionernes.lnk

    Filesize

    942B

    MD5

    2fe82fd4d941121fc8da8af1141e3bfb

    SHA1

    02f001f05177fd71642157fd235e375d8489b197

    SHA256

    bea2b4fc97cae0f0b514a60c43e6a55fe67e3f733e3734a7cdf5e7860a56372d

    SHA512

    3fd58d84ae39130fcf30737bc4310d02d632b54036731484669b0dac4882691a14f64680a5a33580e75f2bd5ec1b6efb7a4529fae666af55edebc986918654ab

  • memory/2280-45-0x00000000771B1000-0x00000000772D1000-memory.dmp

    Filesize

    1.1MB

  • memory/2280-46-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/4592-47-0x0000000077238000-0x0000000077239000-memory.dmp

    Filesize

    4KB

  • memory/4592-48-0x0000000077255000-0x0000000077256000-memory.dmp

    Filesize

    4KB

  • memory/4592-49-0x0000000000490000-0x00000000016E4000-memory.dmp

    Filesize

    18.3MB

  • memory/4592-51-0x00000000771B1000-0x00000000772D1000-memory.dmp

    Filesize

    1.1MB