Resubmissions

29-11-2024 17:23

241129-vyj5lsxpb1 10

17-03-2023 23:30

230317-3g5c8aad76 6

Analysis

  • max time kernel
    142s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    17-03-2023 23:30

General

  • Target

    Documents-invoice-plan_032023.exe

  • Size

    1.5MB

  • MD5

    82acd827f36e29c05e6581558b0d76ca

  • SHA1

    bd43089a78e97b66064b37d72f086f4c042a4c91

  • SHA256

    7572b5b6b1f0ea8e857de568898cf97139c4e5237b835c61fea7d91a6f1155fb

  • SHA512

    cdf9077fb0c06a9fc38dc0aa630345adfb65bfb264d03d7b56b0961f02798f8bce49fcfa28fd40671a02e1e385ac0c4c2a3f914b1d0b64a844462be2127b261f

  • SSDEEP

    24576:f/f6OAqD+EoVeQExeVATaXAuQ5x3f3TWH5x:faOAU+M/WH5x

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents-invoice-plan_032023.exe
    "C:\Users\Admin\AppData\Local\Temp\Documents-invoice-plan_032023.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\Documents-invoice-plan_032023.exe
      "C:\Users\Admin\AppData\Local\Temp\Documents-invoice-plan_032023.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c tzutil /g
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\SysWOW64\tzutil.exe
          tzutil /g
          4⤵
            PID:1604

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      61KB

      MD5

      e71c8443ae0bc2e282c73faead0a6dd3

      SHA1

      0c110c1b01e68edfacaeae64781a37b1995fa94b

      SHA256

      95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

      SHA512

      b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

      Filesize

      342B

      MD5

      d7a380427dc35e84b8dbb265736600c3

      SHA1

      039213e389823bc6455283d7539c73eccf0f492a

      SHA256

      6f4aad63b6f06357bd05a6c18b04d1175fd05393e6b26e503cc40283aec306f8

      SHA512

      d593dbf0355b631c3ba164cdd3dab807dba704573bf1d7842c874601bd7f7839961bf13b13dc967306a7d7d6ac4f40efa4af624979eaa1713d49909b43418662

    • C:\Users\Admin\AppData\Local\Temp\Cab7755.tmp

      Filesize

      61KB

      MD5

      fc4666cbca561e864e7fdf883a9e6661

      SHA1

      2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

      SHA256

      10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

      SHA512

      c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

    • C:\Users\Admin\AppData\Local\Temp\Tar7884.tmp

      Filesize

      161KB

      MD5

      be2bec6e8c5653136d3e72fe53c98aa3

      SHA1

      a8182d6db17c14671c3d5766c72e58d87c0810de

      SHA256

      1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

      SHA512

      0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

    • memory/1972-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1972-56-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1972-59-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1972-60-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/1972-146-0x0000000000400000-0x0000000000545000-memory.dmp

      Filesize

      1.3MB

    • memory/2016-58-0x00000000045B0000-0x00000000046ED000-memory.dmp

      Filesize

      1.2MB