Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2023, 13:32

General

  • Target

    95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe

  • Size

    324KB

  • MD5

    966c18112ef533fddba47644a339feb2

  • SHA1

    5404425a92e42a13363f52829361810cda3b27d2

  • SHA256

    95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe

  • SHA512

    c80b26b7585e2b0c61a1d6f3a598c37bf3645268c13e8896a8d5299211fd12bb1baa1f228b372a7fe1b7668fe554879b1feb412ddd77ea213454b18c963d9968

  • SSDEEP

    6144:YVfjmNUZCWmlys014OqpXDXz7yIrozs0WuNd3ojusBdgnNW6r4F53ttuGENGFdVf:C7+QCWV7q9zGImAjJdcH4j3ttzFdVCLi

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3252
      • C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe
        "C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1132
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6A04.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4548
          • C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe
            "C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe"
            4⤵
            • Executes dropped EXE
            PID:504
        • 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:1320
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:760
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3236

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        484KB

        MD5

        f147ddf2b53af51ffe1e83a8c5422f76

        SHA1

        0b6d26c1b1dcd28e38a50b3148d5d0e22ddbcea5

        SHA256

        1db52ad19b20b8749fb6e06997864359b9e161a6eba14de81b23138e1b18a4d0

        SHA512

        d1e4f56dc3ed9d6c71afbb169f0bd2e254056a7195917d38d24d11ff1ff873a2d968a11a6e112fe2a36f24b194247f444e28cb773149f4a3d6cf11c25ae52101

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

        Filesize

        471KB

        MD5

        99ea9b604a7a734d3087fa6159684c42

        SHA1

        709fa1068ad4d560fe03e05b68056f1b0bedbfc8

        SHA256

        3f733f9e6fec7c4165ca8ba41eb23f604a248babe794c4ad2c6c3ce8032aab1c

        SHA512

        7af8008c7e187f925c62efc97e1891a7a38d089302dba39fbde137fb895e0592847ed0982c824c2075be8e6b95b6ce165ecb848ab85adf53779ebef613410fbb

      • C:\Users\Admin\AppData\Local\Temp\$$a6A04.bat

        Filesize

        722B

        MD5

        e38a515866c694da69dc353ec3ea48af

        SHA1

        88c2c2846b2f632093f822def5087962295afb67

        SHA256

        b8ab11139b8adef09c53a72ccefb3faf982b92b699fbfd1a960e8518b3712d4c

        SHA512

        f78efa99eaf79178be1b4c54a2542ca66821a9363c473b0db3067b9206aaefcd40014436c620ec983b1441c6c96bcdb35e11c64dd2e98bfb5d7fe6a100c9f9a2

      • C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe

        Filesize

        298KB

        MD5

        e9eacbb7ab4b3f66019e0a2f13a1dba9

        SHA1

        ae30894b29e52bf04afc4a54795d438fb910acff

        SHA256

        0c3dc789d0a46493bd097526b920d913d930d96b1052cb331eec3ac560c89996

        SHA512

        925445d20c93c65a282fc59f773551d824bff1f8e2623fd8ea0c587831a9550c400f121defb3d82c8f0401903fa69e3154dc98e29688d02af1d5d01247914a06

      • C:\Users\Admin\AppData\Local\Temp\95eefc31d0289c8d115fed3e5cf23985f8110f5e3a0e763336cab5f6ce2304fe.exe.exe

        Filesize

        298KB

        MD5

        e9eacbb7ab4b3f66019e0a2f13a1dba9

        SHA1

        ae30894b29e52bf04afc4a54795d438fb910acff

        SHA256

        0c3dc789d0a46493bd097526b920d913d930d96b1052cb331eec3ac560c89996

        SHA512

        925445d20c93c65a282fc59f773551d824bff1f8e2623fd8ea0c587831a9550c400f121defb3d82c8f0401903fa69e3154dc98e29688d02af1d5d01247914a06

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        64a926d15aa028690bc14ef51132d6d6

        SHA1

        66638b0a02ecc310024bd3b3ccec85efbf467a10

        SHA256

        52a165a2cef64c6d5b99666985d18d0caf21dff39a40871ce30bd1a377b050b0

        SHA512

        1afecb82683ee0a55b445d7fcea8ebc13d1dbb3d6ae826e3ae1b2b7137f1f28f022c08b6ea64ff9648c5bda8b81fe57f4168aee0098aef1bc1f38d1a12ab7c86

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        64a926d15aa028690bc14ef51132d6d6

        SHA1

        66638b0a02ecc310024bd3b3ccec85efbf467a10

        SHA256

        52a165a2cef64c6d5b99666985d18d0caf21dff39a40871ce30bd1a377b050b0

        SHA512

        1afecb82683ee0a55b445d7fcea8ebc13d1dbb3d6ae826e3ae1b2b7137f1f28f022c08b6ea64ff9648c5bda8b81fe57f4168aee0098aef1bc1f38d1a12ab7c86

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        64a926d15aa028690bc14ef51132d6d6

        SHA1

        66638b0a02ecc310024bd3b3ccec85efbf467a10

        SHA256

        52a165a2cef64c6d5b99666985d18d0caf21dff39a40871ce30bd1a377b050b0

        SHA512

        1afecb82683ee0a55b445d7fcea8ebc13d1dbb3d6ae826e3ae1b2b7137f1f28f022c08b6ea64ff9648c5bda8b81fe57f4168aee0098aef1bc1f38d1a12ab7c86

      • F:\$RECYCLE.BIN\S-1-5-21-1511405631-3522522280-778892991-1000\_desktop.ini

        Filesize

        10B

        MD5

        d3c36a72fc1c8bd61b57107d5d012a29

        SHA1

        2a13da90a3c63c88dd43ae9c670876f0dd0fc03e

        SHA256

        a2f94b462f3497d26399b1f5eda449b87e3ded10e09de07369f6a984eff5383d

        SHA512

        4c08a9bdba23ece3ba391c1cd3696b046892c028f94e04e955fbee3a13dc181f1073c8f6e686529dd613bd468297d6b21a7de318ae61b88a2d642f3215c20232

      • memory/504-18-0x0000000000400000-0x000000000059C000-memory.dmp

        Filesize

        1.6MB

      • memory/504-19-0x0000000000400000-0x000000000059C000-memory.dmp

        Filesize

        1.6MB

      • memory/1132-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1132-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-29-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-35-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-1087-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-4640-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1320-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB