Analysis

  • max time kernel
    150s
  • max time network
    117s
  • 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

    b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe

  • Size

    672KB

  • MD5

    7b08da8947df9057718484434a6a637c

  • SHA1

    e80822f71ee884192a360d294b1ecdae341b67a2

  • SHA256

    b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91

  • SHA512

    735230e158f6bcaf6b86652a196708b946cc6c3e3674092b226e7ca2a44bc8e0772e0cc639e993a557ee25e88d7c3979cda5d9f6d5f39a6ef764f446eff0a0ef

  • SSDEEP

    6144:V+azbRZvSC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKw:V+azbvnPFlTz

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:1192
      • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe
        "C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:536
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2700
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aAD30.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2176
          • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe
            "C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe"
            4⤵
            • Executes dropped EXE
            PID:2828
        • 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:2192
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2448
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2764
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2924
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2896

    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\$$aAD30.bat

      Filesize

      722B

      MD5

      661202e293154e28a7828e1243d002cc

      SHA1

      32b0e12190574af09143bfd0c91fc657d1e3d629

      SHA256

      179b88c922d632a360370e73bb69a9d3d68adcb99b96ad304ccefb35032b5433

      SHA512

      bcd0b83f13005468da0d599595e70cc9ec698969f28beb5481e222c14fc048bc996901bb3a6ac81914ca28322b0634f21d49a1bdfa4736d00e3632d0d8e24879

    • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe.exe

      Filesize

      633KB

      MD5

      2e0d056ad62b6ef87a091003714fd512

      SHA1

      73150bddb5671c36413d9fbc94a668f132a2edc5

      SHA256

      cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

      SHA512

      b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

    • 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/1192-29-0x0000000002D30000-0x0000000002D31000-memory.dmp

      Filesize

      4KB

    • memory/1924-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1924-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1924-17-0x00000000001C0000-0x00000000001FD000-memory.dmp

      Filesize

      244KB

    • memory/1924-15-0x00000000001C0000-0x00000000001FD000-memory.dmp

      Filesize

      244KB

    • memory/2192-20-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2192-3002-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2192-33-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2192-4196-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB