Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 03:38

General

  • Target

    d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe

  • Size

    145KB

  • MD5

    557c99ce56321eb3ce941b29451ad500

  • SHA1

    9b0f1f52c88a3b6901ac846b30525bcc340a86fd

  • SHA256

    d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff

  • SHA512

    99bcf9d181426d77e0b723a34e4a724314e8f491ee7f456485d74c89433d8329457a85a99344f119cc9523032187229fbfb84aacc977190782e5b7552589c0ee

  • SSDEEP

    3072:I4we+aX3zvOmZWXyaiedMbrN6pnoXPBsr5ZrR:fl+aX3LOSNaPM4loo5Zd

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3468
      • C:\Users\Admin\AppData\Local\Temp\d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe
        "C:\Users\Admin\AppData\Local\Temp\d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3348
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2400
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3848
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aBF77.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4364
          • C:\Users\Admin\AppData\Local\Temp\d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe
            "C:\Users\Admin\AppData\Local\Temp\d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4396
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5000
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3476
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:440
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:368
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      250KB

      MD5

      f1e098dbb74b7c2096521dca1c6eb4cc

      SHA1

      ba104c77f746c3840759283bca1d9eb0a5efa31f

      SHA256

      5bd886fcd7d8d45626cfceb2fbbf92818cb960acfd96ed124641ed1943f3ea0a

      SHA512

      a00facee10bb7cb961d01cc0ff6b185bcda39d9f34b49cc80f50f527fee918fdc34df8c9c73bf4257d231a9c178a23620f02617c0387f30e6e090dd1274b34e7

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      afb82271e04d2a0073e4e2a750fac715

      SHA1

      81d1f5dd6577d5bd3c59c334a6845f4e2e2df9e1

      SHA256

      6958b58f48d0c3e90e733eba366c0ead7e90f8ace80aff25884536b54d3e8048

      SHA512

      a499430d02d1fbd05ef49c2ee58477815aa9361f028e914aaab419e7bf0a4d617eade94ba206307d621ec65751731cbb1d35f17e22d2baa15550bdbe34bab069

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      643KB

      MD5

      e0725f04ef2eb236cf23dbdc14d512a5

      SHA1

      ef9875c8bd15d6c9cdcb0a4025470fae9e0d00b2

      SHA256

      ca3e9560c3c22fbb4efc142647d6918fe315dda96b5e00c9f0431f55ca97bcaa

      SHA512

      2dacc3b71e320017826ef563affec0c895cdda9cd293b6814df20aefa5d936e6fbed1d387f9224e533f473243ecb6ea5865d0919f56459c6c3e014e07d241a4e

    • C:\Users\Admin\AppData\Local\Temp\$$aBF77.bat

      Filesize

      722B

      MD5

      fa2544b1c42e17444ef2f68fb37a3331

      SHA1

      1b5f68f9237d73e70d8ac0970f6ea92f6a7d2fb8

      SHA256

      604d655162db9b67aca7a873ca6554354368337c979bafb10695aac0b9282f65

      SHA512

      afe59bd14b5843d072dd6b066cea00627fb737539a50d9fd8c35fe9c786837b666f0e2887bf6de48b2159f38fb46c42f7f0cee2fdbe3d746a8be21902d3e5337

    • C:\Users\Admin\AppData\Local\Temp\d8209175ad5e4d695b0df7fdd26bfdb20a430d48c77233c3b6c1417c84727dff.exe.exe

      Filesize

      112KB

      MD5

      e9cc8c20b0e682c77b97e6787de16e5d

      SHA1

      8be674dec4fcf14ae853a5c20a9288bff3e0520a

      SHA256

      ef854d21cbf297ee267f22049b773ffeb4c1ff1a3e55227cc2a260754699d644

      SHA512

      1a3b9b2d16a4404b29675ab1132ad542840058fd356e0f145afe5d0c1d9e1653de28314cd24406b85f09a9ec874c4339967d9e7acb327065448096c5734502c7

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      680e1d68d1c18cdb5e1fddd097cd0056

      SHA1

      3679880b26ab1a994375a7aa9ead9b17025ef30e

      SHA256

      9f250d09197e2a3e5f063b06c9995f5802b48852f9d98af43419e119698ccbc3

      SHA512

      15b9dfc38a515ab4ee8e9eca27a5a2d223b55ec5ab517e14a94a4da32ecfcba8b9f7589c429d92472617033f757c7843119ac1ec28f373600545a66e9873553b

    • F:\$RECYCLE.BIN\S-1-5-21-4050598569-1597076380-177084960-1000\_desktop.ini

      Filesize

      10B

      MD5

      28a582403dbb209b6c5cb7bada9c918d

      SHA1

      db58560be63032a4cbd738d2d639e5bf764d6277

      SHA256

      b5a9fa3acde4d9499ea08a6d9ff193fc9cda57f04141f82d2422a4008f451200

      SHA512

      511b4d3886d671d01c66d2509b784a199e68a00f2597d311d8d0770f0b1030680136ee450343a8d6c4b51d9de8448bafdde44dc1a1c6e62bccde47d5af03fbae

    • memory/3348-11-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/3348-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/5000-18-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/5000-2642-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/5000-9-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/5000-8915-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB