Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 21:55

General

  • Target

    c1b32fa59d6ca6e2999807d2ffdedb5f.exe

  • Size

    385KB

  • MD5

    c1b32fa59d6ca6e2999807d2ffdedb5f

  • SHA1

    4dd5add77ed375963824adca3944efa8a75ee863

  • SHA256

    44fcf8c63084b1b5bcdbb48cc2ae58dd19350ab30aec42920c7b7e78e749e422

  • SHA512

    e2c031c7c3f76fbc76a427f533d9a2229f816f94934db4f895976a6e7d6f6a6107c77eb59f0cadecd7d28795a5795d9a1e02bef441d22cb84c73092f5e4beea2

  • SSDEEP

    12288:uDO2dWv4FiUQoB0FsBspI+MCG1J4S4FBX5B:uDdxnIsBgIBtD65B

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\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
      C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2504

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\Tar21BB.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • \Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe

    Filesize

    385KB

    MD5

    425121a168c536ae951f70bc94077d61

    SHA1

    ae9ec6d25450b969f43827fccad9d873bdd26faf

    SHA256

    9044f6ae77891d46ab6fe131a684c162586c0a7bc3f662b9a398fbe0baabbd2e

    SHA512

    0b68e9a6971731ad0a14216dfdce745fdb970b13c1a747eab40ca93227a7bd8beccda1ba4319484f84b3f579798ea5e7257cf001cb450a41489d0cce3eb78b6b

  • memory/1640-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1640-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1640-2-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/1640-12-0x0000000000200000-0x0000000000266000-memory.dmp

    Filesize

    408KB

  • memory/1640-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2504-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2504-28-0x0000000000390000-0x00000000003EF000-memory.dmp

    Filesize

    380KB

  • memory/2504-20-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2504-17-0x0000000000230000-0x0000000000296000-memory.dmp

    Filesize

    408KB

  • memory/2504-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2504-86-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2504-87-0x000000000ED10000-0x000000000ED4C000-memory.dmp

    Filesize

    240KB

  • memory/2504-88-0x000000000ED10000-0x000000000ED4C000-memory.dmp

    Filesize

    240KB