Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2024 13:17

General

  • Target

    bb5bf8d30cba79736005d6a792061f14.exe

  • Size

    385KB

  • MD5

    bb5bf8d30cba79736005d6a792061f14

  • SHA1

    501157bd74763aae6cee4f24089257075c5fa3ea

  • SHA256

    8ec809f6eda1d718a5318eb7276be85831da72f8140d91fd76f75fd486d11d0f

  • SHA512

    d2a87495466ed62e793452135a33cac87534909b5985c80e2703939a73d49366e56b83948300b481d8b547726b61e8832930a77802ad3229436d48aa98af9312

  • SSDEEP

    6144:JsflM5LRUfsaLumtLNokm+TeqzCkR3EE4LTIPmK6x7bH+qzmA+6w/B:JdtaXfLTeSOc4KqzX+6OB

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\bb5bf8d30cba79736005d6a792061f14.exe
    "C:\Users\Admin\AppData\Local\Temp\bb5bf8d30cba79736005d6a792061f14.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\bb5bf8d30cba79736005d6a792061f14.exe
      C:\Users\Admin\AppData\Local\Temp\bb5bf8d30cba79736005d6a792061f14.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3052

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\Tar19FD.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • \Users\Admin\AppData\Local\Temp\bb5bf8d30cba79736005d6a792061f14.exe

    Filesize

    385KB

    MD5

    99fc48a4b62d592d131fc1cbb1dfcbc2

    SHA1

    3db7f1efc73847575ecfcf1a11a8ab33687126e2

    SHA256

    50946b7b8a54eee69be74f9ef50920273a9db86ca59d3fcb0cca2cff5165be23

    SHA512

    fc344cfa89f89310df6946efc8fa47a3777839a891df9bbfd33e71cd9e08bcd0e589d8af8fd654c7e8f400228705387bd102d261bc0692eb7d3db91c69839c69

  • memory/1720-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1720-14-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/1720-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1720-2-0x0000000000330000-0x0000000000396000-memory.dmp

    Filesize

    408KB

  • memory/1720-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3052-17-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/3052-20-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3052-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3052-29-0x0000000000360000-0x00000000003BF000-memory.dmp

    Filesize

    380KB

  • memory/3052-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3052-86-0x0000000008670000-0x00000000086AC000-memory.dmp

    Filesize

    240KB

  • memory/3052-87-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB