Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:11

General

  • Target

    f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe

  • Size

    5.7MB

  • MD5

    4d713dadb00f207ac0750691e140d5df

  • SHA1

    b6edbb2627a450c69782025cfbe7b4bddf06680e

  • SHA256

    f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0

  • SHA512

    3fb9ab66efd24045c4a6980788aa36881bec0919e88198ecf4c6987a7ca2b49f900ca2bb0daa5f901ac011e1e1b377f00e98b7f5d6b51ff439600f43ff769587

  • SSDEEP

    49152:VBzVPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dr:V/KUgTH2M2m9UMpu1QfLczqssnKSk

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1156
      • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe
        "C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2384
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1592
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aDE5E.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:824
          • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe
            "C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe"
            4⤵
            • Executes dropped EXE
            PID:2824
        • 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:2420
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3012
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2728
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

      Filesize

      484KB

      MD5

      a803cec17e97a23f06f00bad17aa1236

      SHA1

      7a5c9795e740bbf318d745de0eb80adb7d74538d

      SHA256

      2846d29686b5eef885188d8c5dc0ff71e19a25d497490f99f99e837959a7b7ff

      SHA512

      ca0b62858ee4af691cd9dfa6c9325d4dbe1e2dd232c8f30e24156dc9560211666724e41e305467475760b80bdbed429887e2032191147c60504fb04e512ca620

    • C:\Users\Admin\AppData\Local\Temp\$$aDE5E.bat

      Filesize

      722B

      MD5

      ebc9dd198fd8f6bac1e8eaf634ebd11a

      SHA1

      eb6010e7c69257596677685f4604ebb77b1fa3a3

      SHA256

      306548439647d7cae6c6c3d491006f8a5e058750bb1f89dcfee67cbe679346a4

      SHA512

      200b69c26b5a28f2b39eab3b8c9d392cbaa63fbb606b869df542f6786fc07953c57e1bba64d1a40373fdaebda31c8c8b93c951c2b6df673466818fd1386eed12

    • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe.exe

      Filesize

      5.7MB

      MD5

      ba18e99b3e17adb5b029eaebc457dd89

      SHA1

      ec0458f3c00d35b323f08d4e1cc2e72899429c38

      SHA256

      f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

      SHA512

      1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      abb9a80df3006b0d301bdc994ed2c37f

      SHA1

      30946837d9bf8c65151ef22dd27416249087de89

      SHA256

      00b8befe4eb2c186c359ff3d0ac5257c740d950037741e847eac917789e2a6e2

      SHA512

      dc8aea8d76ed69814651d734492e4d1c0f1d9236d4098fa7dae2bf76070338e96e4e1e316bdc77be06109b203b2b1f340fb820660ab82e04b3d7375504d577f1

    • F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/1156-28-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

      Filesize

      4KB

    • memory/2384-16-0x00000000002D0000-0x000000000030D000-memory.dmp

      Filesize

      244KB

    • memory/2384-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2384-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2420-32-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2420-3001-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2420-19-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2420-4194-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB