Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 20:46

General

  • Target

    f70e18523d08631d3b98ab6acc9d4604.exe

  • Size

    96KB

  • MD5

    f70e18523d08631d3b98ab6acc9d4604

  • SHA1

    d03013b931d0390595ebfe01ae31b5379eeaafa0

  • SHA256

    14b687b3011d80be3e701c421fe6b617e4fc70211dc2ea2c0dd85eaa71bb544c

  • SHA512

    1241c78e521721aba79972b5c342df645acaa965c7f7c8c86eb706f51c86f65bc1b83be83da7d18eafc9e2964f6091c3ad632e1e33622f8874bd8b6421558369

  • SSDEEP

    1536:s8kcu4l7dSZ9T+2mxPAsL/JbuOLZ64ZCPBKbnziw1dVOcwCCQc+VDM+QJtOw/:Scj7k/y2mxB9uMzZCPBK1Dw9Raw/

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f70e18523d08631d3b98ab6acc9d4604.exe
    "C:\Users\Admin\AppData\Local\Temp\f70e18523d08631d3b98ab6acc9d4604.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\f70e18523d08631d3b98ab6acc9d4604.exe
      C:\Users\Admin\AppData\Local\Temp\f70e18523d08631d3b98ab6acc9d4604.exe
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Users\Admin\AppData\Roaming\taskhost.exe
        C:\Users\Admin\AppData\Roaming\taskhost.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Users\Admin\AppData\Roaming\taskhost.exe
          C:\Users\Admin\AppData\Roaming\taskhost.exe
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    9e2957a793e128f471976ebef35f48d9

    SHA1

    6023bc022cf57cda88acc777dac48053040bbbb1

    SHA256

    eb37824ee2146b303939c95935446bf356f6cf318079ed9efd00b6d677faf0c5

    SHA512

    f88053d11be8ed6d5087ea0fb2289615b45f6d1635b22779d9a6a2592b421dee038a1f28bf1d0754ce9dd03e9818ac1f592fc09901a6f84ce738a85adee12f00

  • C:\Users\Admin\AppData\Local\Temp\CabCB2D.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarCC0B.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Roaming\taskhost.exe

    Filesize

    96KB

    MD5

    d869a653d64366a8f734326751236509

    SHA1

    19a24bfc4a58333b749f9430535563d4a1b104cc

    SHA256

    4980f9359772061020792ab5124c5da820162b5e4d7d50cbb99a758cd7262040

    SHA512

    e7ba58b1125dea6ea780e7d40f256121f476cc2e2956e414ca90057833e30d42fe8c5d65edd850757eb978af526aa1b0e8dbf9d4e5acd41d586e6a3efa867715

  • memory/2736-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2736-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2736-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2736-8-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2816-28-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2816-108-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB