Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:12

General

  • Target

    77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe

  • Size

    399KB

  • MD5

    a13640e988030d6dc8fa839ad06f6662

  • SHA1

    f7920aed4704a0f6d5b9b60c5c3b9e1b9208e8e9

  • SHA256

    77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4

  • SHA512

    5b51f9808387675eaa8c45162d53b709ecc00577ab4f2a198526df13479f434cf8a9856673d5c1a84a3d0b5e56f36afb39c751ac1a30b59c0a8163ee5e83aef8

  • SSDEEP

    6144:V+azbRZvLP2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYFk:V+azbvcahVy41

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 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 9 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe
        "C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1700
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4720
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8472.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2424
          • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe
            "C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe"
            4⤵
            • Executes dropped EXE
            PID:2568
        • 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:4868
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4812
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4260
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1080
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      583KB

      MD5

      947a60db2a42794d0901a22e4c7bfb56

      SHA1

      97bc341381e7b5880ae856fcc27ce1905d47b972

      SHA256

      bb80ce796ee128b6672a646c23a765db4b068103431f40a06eea323545b56849

      SHA512

      a5ed31c30bda0023156818d4c30b35083a7c0d82f14095ec525ae8e5fe9c1764e2dcc2cac60ffecaf5adace71243af40ba31785a822be002ba8ec194e4f2740b

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

      Filesize

      649KB

      MD5

      3e7cc0550b3e262224a01196dcffca48

      SHA1

      84b97784946a4f4edc8528690aee26cff4a5c35d

      SHA256

      df205fe7ab5dd6c98547afe872f5b3bb66028f2cb14696fbc45610b0ef4723bf

      SHA512

      864943da2a29d2e8aaca17a10ed791f22b3387c85fe19c19dea1ab3b89b3d6540dbd187f867742967a696ba0b76ce6e576a2825cc9147d77ab79f3a4f2a4ab6a

    • C:\Users\Admin\AppData\Local\Temp\$$a8472.bat

      Filesize

      722B

      MD5

      3cbeaf4b3acc3ecf6cb9b03090bcdea7

      SHA1

      c4b9fd366e6e665393950313926822d0438ebf84

      SHA256

      f7b22e70a7e9e641e0cdf958835799e88ddc7e83babb7e8e341108bf28970466

      SHA512

      97d302bb9df4de887120d802bf40a56b2aada1fee127f752a73739d904ac7c009924167f1c4b6be0c93f9c9700ef38ef718c138e4fce020490f242cd2f00ba49

    • C:\Users\Admin\AppData\Local\Temp\77ce0c9f140d8022b67b116441b7855ebd37d2724cad85c0a800f7a9c8e2fbe4.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      abb9a80df3006b0d301bdc994ed2c37f

      SHA1

      30946837d9bf8c65151ef22dd27416249087de89

      SHA256

      00b8befe4eb2c186c359ff3d0ac5257c740d950037741e847eac917789e2a6e2

      SHA512

      dc8aea8d76ed69814651d734492e4d1c0f1d9236d4098fa7dae2bf76070338e96e4e1e316bdc77be06109b203b2b1f340fb820660ab82e04b3d7375504d577f1

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/1916-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1916-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4868-11-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4868-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4868-4249-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4868-8761-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB