Resubmissions

29-11-2024 17:23

241129-vyawyaslcn 10

26-07-2023 14:53

230726-r9atjadc36 6

Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2023 14:53

General

  • Target

    lllll.bin.exe

  • Size

    2.4MB

  • MD5

    708845c87ffabe9b8c59501511640be7

  • SHA1

    a72747b1d9b00a2a33085ad49d25976c1ecc2311

  • SHA256

    d9bf9211b0f25e94387aefe0dcb6a982b8df57abeb485df14e01752c7d340bfc

  • SHA512

    1538af2ae8db0b49d505c5bffcf658c5cd7e9d41eef397a9d81ea681db6e206a2e15f69d3dca6b6d04004b945ea64bde40b7f3bb9574ae17c0342ac78db25f6f

  • SSDEEP

    49152:huxIPf1+yc55pMLPTVcTI4lMzoBq/lFQjYSgOUGhbIzhirApV5:oUf655a6TLeoBq/lFQjYSgOUGhbIzhiI

Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lllll.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\lllll.bin.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c tzutil /g
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\tzutil.exe
        tzutil /g
        3⤵
          PID:912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      79b0c4841e657b1856df2f77353f5133

      SHA1

      161bfe1895324839a7ad83b9f56c8954a5840c0b

      SHA256

      f8eb4f17a24b6beef249572f0f9ab35f6616d1fd1471c6bed672f6580c90bb97

      SHA512

      207eefc548a7cbfefee5e40b3a43263f40f0b8f82a4293ed7f2bd3e60b3af82358831d941765bd42be35b96f33474375a94ad0dc29f731dca385ba6f5e5785fd

    • C:\Users\Admin\AppData\Local\Temp\Cab7522.tmp

      Filesize

      62KB

      MD5

      3ac860860707baaf32469fa7cc7c0192

      SHA1

      c33c2acdaba0e6fa41fd2f00f186804722477639

      SHA256

      d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

      SHA512

      d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

    • C:\Users\Admin\AppData\Local\Temp\Tar7831.tmp

      Filesize

      164KB

      MD5

      4ff65ad929cd9a367680e0e5b1c08166

      SHA1

      c0af0d4396bd1f15c45f39d3b849ba444233b3a2

      SHA256

      c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

      SHA512

      f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

    • memory/3032-53-0x00000000000F0000-0x00000000000F1000-memory.dmp

      Filesize

      4KB

    • memory/3032-54-0x0000000003080000-0x00000000031C7000-memory.dmp

      Filesize

      1.3MB

    • memory/3032-149-0x00000000000F0000-0x00000000000F1000-memory.dmp

      Filesize

      4KB