Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 16:01

General

  • Target

    ac481bb3eba2c664b3bea213cb064d98.exe

  • Size

    385KB

  • MD5

    ac481bb3eba2c664b3bea213cb064d98

  • SHA1

    b7ad4ce4ddce6b291dc466fb09534fb46f6159b3

  • SHA256

    f12c3054541117623136c37988f287f801f30889b637802d6a7d3ce47ac1b599

  • SHA512

    65c3f88db9535ed3f4b73767b8d2e0fe69567480aa26e84340238c3d61d0cbee2054a792be370c25bc1e6a82d4ac5ffdbcba16be54baff0ec63c01d2eb819ec5

  • SSDEEP

    12288:S21gmmwb/2VOSjHVeuQ1G/Yt5MuXXk+A98kB:nKPxVOm1niqYtGuHk+wbB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
    "C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
      C:\Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\Tar6955.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • \Users\Admin\AppData\Local\Temp\ac481bb3eba2c664b3bea213cb064d98.exe

    Filesize

    385KB

    MD5

    2616e555348c84a0661e99eaeb3bf727

    SHA1

    35a709fc201af94627ca8f71015d2b93616c48ea

    SHA256

    20c8903e04ed9e37af3b181f07ed2f1388fcdecb8ecdad10e1c11b2d58b664ba

    SHA512

    390dae814c8a23514a4db0e017554ae649a174203ecbd1bc01664c454a0c0c657f89901114733db21d8ad8daa266a727cf5de5ffde1cc26f8b2248b3259b70bf

  • memory/2856-17-0x0000000000380000-0x00000000003E6000-memory.dmp

    Filesize

    408KB

  • memory/2856-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2856-22-0x0000000002C70000-0x0000000002CCF000-memory.dmp

    Filesize

    380KB

  • memory/2856-80-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2856-83-0x0000000006620000-0x000000000665C000-memory.dmp

    Filesize

    240KB

  • memory/2856-86-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3012-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3012-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3012-12-0x00000000002B0000-0x0000000000316000-memory.dmp

    Filesize

    408KB

  • memory/3012-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3012-1-0x0000000000240000-0x00000000002A6000-memory.dmp

    Filesize

    408KB