Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 14:21

General

  • Target

    c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe

  • Size

    1.1MB

  • MD5

    40abbf83fa1e5ef55ca039ff5fe2dc63

  • SHA1

    58640af4cd611bdd922d4395138c66ecb99d6180

  • SHA256

    c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0

  • SHA512

    4b0aead7d8c8f1580e0c7c4503a4a32f6c380d17b3590459a1ff473c44f303617abd6b61f5560b0bfd8777953e26bbc1a859c0b9f3efe64de7fc2255186eb88f

  • SSDEEP

    24576:VBzbJf9AiKGpEoQpkN2C4McuKo0GTNJpyT5RGeQa0s:VBzV+GtCi27mVHyT+a0s

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 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe
        "C:\Users\Admin\AppData\Local\Temp\c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1200
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2348
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aB847.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2312
          • C:\Users\Admin\AppData\Local\Temp\c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe
            "C:\Users\Admin\AppData\Local\Temp\c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe"
            4⤵
            • Executes dropped EXE
            PID:2872
        • 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:2096
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2168
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2684
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2316
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2840

    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\$$aB847.bat

      Filesize

      722B

      MD5

      fd7c021d8f9e7c5a7bd6ab00a1a56b75

      SHA1

      5597ee8176237c197d339447ee0688f61f68dcaf

      SHA256

      16f32eaeed82990ef6bd7b271e70f0864c61ba9769edf91c11b971756a9df6ae

      SHA512

      a9e7cea885f7e666f111b394bf705eafe215ad0d4732c7c78b412c47cf009aa07c2a8c10881e842b73e3bbd0f32546c18242849c69aa4f42c96be0a253daa37f

    • C:\Users\Admin\AppData\Local\Temp\c9d1a89afe30c6d49d0bfd6d47da5d8e45cb464ad4eb797e9097052ec92eb5e0.exe.exe

      Filesize

      1.1MB

      MD5

      09239e688ff75cd636ac932100b243f9

      SHA1

      2a7964c81b9a34bb77c4e3676e7d31b7d2668297

      SHA256

      a36ef4c18a08ee8d8c0d10d96ab37a0c3ce22a8f328733af8c0451579e4edcb1

      SHA512

      686708321d8756ddcfa2d1585ca7261be0ece33bd9d134888cdb4655b8484c727b34b4ac7f12d919184e85ab65088bc565549c262289cb64f9aeca0508290825

    • 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

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1208-28-0x0000000002D70000-0x0000000002D71000-memory.dmp

      Filesize

      4KB

    • memory/2084-16-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2084-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2084-17-0x0000000000230000-0x000000000026D000-memory.dmp

      Filesize

      244KB

    • memory/2096-19-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2096-31-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2096-3000-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2096-4194-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB