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Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2024, 18:46

General

  • Target

    b969bd8d5815dd2b6e8f7f2340e0f4a9.exe

  • Size

    332KB

  • MD5

    b969bd8d5815dd2b6e8f7f2340e0f4a9

  • SHA1

    e2473d55a74d5b0f18190b7eec5c307902b691d5

  • SHA256

    9b97e50c4a383944a86c7961221d7cc20dc219883a686031b5ab1a573896d829

  • SHA512

    891d519bbddf0a10fc43b05d612767fa9d2bbe2f0bb49505830520aff2a2c5c2dd728752e9978bf50c9c70b7a87618dcfb33d7c40addecbd3ef7e682708e72ef

  • SSDEEP

    6144:xaNJmnQo41QAOMwEIzUjQiZZvEYqWnKZ+pnVaJ:x234BEIYjQWvrq1snkJ

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b969bd8d5815dd2b6e8f7f2340e0f4a9.exe
    "C:\Users\Admin\AppData\Local\Temp\b969bd8d5815dd2b6e8f7f2340e0f4a9.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\services.exe" CityScape Enable
      2⤵
      • Modifies Windows Firewall
      PID:1752
    • C:\Users\Admin\AppData\Roaming\services.exe
      /d C:\Users\Admin\AppData\Local\Temp\b969bd8d5815dd2b6e8f7f2340e0f4a9.exe
      2⤵
      • Executes dropped EXE
      PID:992

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\Tar32AB.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • C:\Users\Admin\AppData\Roaming\DKrbWYPO

    Filesize

    51KB

    MD5

    eea6b148afb9bf089832dcb90061e7be

    SHA1

    69895b7a5c77cc3f0cff5b08563dff01ecdf8a5e

    SHA256

    ee3beccf3a257a891fd6482f6afee8ddd79335a03903af8c986e8228ed72fe5a

    SHA512

    4368b28171b2efc3c342ddbb51d56b93d1d18946d3cf2122503b2225231a7ef195654a8c4d798b28ce7e2d1e84037a642b4ea062c5da7c6757f529e1a41a6ac2

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

    Filesize

    332KB

    MD5

    d0e6058c0aab40d57ba0761e792b18ad

    SHA1

    13451be6127489af11518968301989ac6aa6f72c

    SHA256

    64d013fe429cfc32d8852d107031067b5cb02bf2622c635264e0436867360b75

    SHA512

    42526b8627c767f4a25b3c61aa1f490d4896eff57100b60410c6794c7693e6157c1574f4a95db45dd4f720265fe8dabd6cdbf8ea4f2152a0b8daf8f7e4928be1

  • memory/1912-0-0x00000000002C0000-0x0000000000315000-memory.dmp

    Filesize

    340KB

  • memory/1912-2-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1912-56-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1912-74-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB