Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 23:08

General

  • Target

    b5e3e2cbf28ea36ca7bc786b592f14ff.exe

  • Size

    385KB

  • MD5

    b5e3e2cbf28ea36ca7bc786b592f14ff

  • SHA1

    b3408b4d76b7bd8b7bb13959da96087e35f32894

  • SHA256

    b44bdbcba81c9c50ee1abef9a313bb2d8392eab1f7abf0f2b57bd343f75bf4b6

  • SHA512

    1f2fa932fdbfc4ffe6590984e891de34d11c0f4e3ee4f5e653ddffbf40d5f543e0f07221bafad834824826c4a113b275472a045c6e073578c588f6269ae7f4d3

  • SSDEEP

    12288:PmQNtkGp+Up1PimA3+MYXA4jFEUmwi6w9E+wmEMB:PDkGraVOMYXbFr/iD98OB

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\b5e3e2cbf28ea36ca7bc786b592f14ff.exe
    "C:\Users\Admin\AppData\Local\Temp\b5e3e2cbf28ea36ca7bc786b592f14ff.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\b5e3e2cbf28ea36ca7bc786b592f14ff.exe
      C:\Users\Admin\AppData\Local\Temp\b5e3e2cbf28ea36ca7bc786b592f14ff.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2328

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\Tar3EAD.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • \Users\Admin\AppData\Local\Temp\b5e3e2cbf28ea36ca7bc786b592f14ff.exe

    Filesize

    385KB

    MD5

    9ed90df799fbc09e592779ad3b47cbb3

    SHA1

    06d12531e34a5296a00b020b08c4ba9471ec0744

    SHA256

    95a0a1c160a24ec7288e6282596f74d9c45bcd525dffd3c3fa261f450216833a

    SHA512

    92ee22e39e980b39bebc24d4fa3d1ed1708fac8ebb83700333bef60cea27feefe50f9c350a59d268ce85fb1cb22bf21784c3baa630deade242add5bb4b9b0ae7

  • memory/2328-16-0x0000000000350000-0x00000000003B6000-memory.dmp

    Filesize

    408KB

  • memory/2328-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2328-22-0x0000000002CB0000-0x0000000002D0F000-memory.dmp

    Filesize

    380KB

  • memory/2328-80-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2328-83-0x000000000D610000-0x000000000D64C000-memory.dmp

    Filesize

    240KB

  • memory/2328-86-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3020-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3020-12-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/3020-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3020-2-0x0000000000240000-0x00000000002A6000-memory.dmp

    Filesize

    408KB

  • memory/3020-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB