Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 22:04

General

  • Target

    e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

  • Size

    1.5MB

  • MD5

    fc9ac7d9d1b4ba2cf65acc29f52a3ca9

  • SHA1

    494d8b742e866ba2cd01f491c2fd4ce95c8d0af3

  • SHA256

    e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c

  • SHA512

    e50641d371593574a3c141f95c68cdbdfe55fc9963d7b57b74cc4463ab429d23c7a7b9b70cd574365f46b3cd2d4e508d0f1aaa560224ec1fc8661a9988f2bf17

  • SSDEEP

    12288:a7+Wi/npiDfEI1RMsiRKMXTQ6RgvaPSgLYmm++0uAeL5TlOuj2Zj+ALGr4oUM0+o:a7wpiD3oK6VAaPpYmm0cOujgu4mkV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe
        "C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a73AA.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe
            "C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe"
            4⤵
            • Executes dropped EXE
            PID:2804
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2600
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        2⤵
          PID:2880

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        548ddcade423bdb543717d8073ac88d5

        SHA1

        0210f769b1b16ae5e569e65e20fafbd12f2d0e04

        SHA256

        052524488f71bf143183bbf817657f609e226b2830071e8dea7fcede4c0ec052

        SHA512

        8576336e7eb0b1132dc5c4eef772ba5f9b57844173f17d9c5cf1fbb09afa443313a1675fcd03e028c592ecc59d0f52ea44529c58f721ccfc2bc958ae292bb0b0

      • C:\Users\Admin\AppData\Local\Temp\$$a73AA.bat

        Filesize

        722B

        MD5

        c6484f8aa32f10265a8dae6387be7645

        SHA1

        73e79b901b62d758e994f446aca3f5872cc3480a

        SHA256

        07a625bea0f54e42d5aa0ea80dc99707160f8ca1f3cf16fc36012fddea1e91b0

        SHA512

        ea44e78c802cc233c3f88fce6de50c272ea6d87aa32140bbbfd4ffa9c61f58526750899f2b62f01a3e0251d7148b1ee69eeb686aaf990a4a0495dea50245ddb9

      • C:\Users\Admin\AppData\Local\Temp\$$a73AA.bat

        Filesize

        722B

        MD5

        c6484f8aa32f10265a8dae6387be7645

        SHA1

        73e79b901b62d758e994f446aca3f5872cc3480a

        SHA256

        07a625bea0f54e42d5aa0ea80dc99707160f8ca1f3cf16fc36012fddea1e91b0

        SHA512

        ea44e78c802cc233c3f88fce6de50c272ea6d87aa32140bbbfd4ffa9c61f58526750899f2b62f01a3e0251d7148b1ee69eeb686aaf990a4a0495dea50245ddb9

      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • F:\$RECYCLE.BIN\S-1-5-21-3849525425-30183055-657688904-1000\_desktop.ini

        Filesize

        10B

        MD5

        743754b59d55d26c081d8f839a3662c8

        SHA1

        8e88e3bda53f58b9122f6f9c9a5f23f80e7be6c7

        SHA256

        bbb0f1aae4572c821fac1d6b7890df67d9f4a7576af30e70925192dded063e8b

        SHA512

        1e8d9e5e1651bd2aaef969713d949cc4ddab58c53d0be31392d660aedeb621a0f968196e4938d2ba75e40ebdb7557cee23bf5587877268cb087fdd09a8abba1b

      • \Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • \Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • memory/1200-30-0x0000000002620000-0x0000000002621000-memory.dmp

        Filesize

        4KB

      • memory/2044-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-16-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2600-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-48-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-93-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-99-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-1851-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2600-3311-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB