Analysis

  • max time kernel
    31s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2023 19:43

General

  • Target

    jfw4000c.exe

  • Size

    2.5MB

  • MD5

    6d5809c83770646c2ac52b20f8b57cfd

  • SHA1

    a2414a2f24879ccae862f0f7aa0b15f0aab82a1a

  • SHA256

    4e8b8187dacfc65e9c5e189573ac50f95f593a376ba68dbb421e3c0e3cac112e

  • SHA512

    5bafdd884285ae39cfe0cb0d783e80ece5982b898a2d514f95bc50ef947c1bae0d9d822be726c01c61b4e78c44fb39aa9713fdf265de7c0028ef1ede15a01c71

  • SSDEEP

    49152:xarvT1CTVPX3+xOkEjl+sumatzWE6FQz+Yic/cR3fF4inXBg4:YvoVPXuQkE5+OaNBz6cqdRg4

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jfw4000c.exe
    "C:\Users\Admin\AppData\Local\Temp\jfw4000c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\is-SPS7M.tmp\jfw4000c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SPS7M.tmp\jfw4000c.tmp" /SL5="$70126,2324600,54272,C:\Users\Admin\AppData\Local\Temp\jfw4000c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1956

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-SPS7M.tmp\jfw4000c.tmp

    Filesize

    688KB

    MD5

    c765336f0dcf4efdcc2101eed67cd30c

    SHA1

    fa0279f59738c5aa3b6b20106e109ccd77f895a7

    SHA256

    c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

    SHA512

    06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

  • \Users\Admin\AppData\Local\Temp\is-H2NCQ.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-H2NCQ.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-H2NCQ.tmp\setupJaws.dll

    Filesize

    97KB

    MD5

    d63891a7acfe17ac3985a2866d2825ff

    SHA1

    fe2e3cd4849bb28dc5dd648c1c3b2cdeb767eac5

    SHA256

    163c92cab1a54a4d5dd55c6c7e9a11ec4abe75d7ad39efbcdb9000a0267fae28

    SHA512

    7b12b01aa5baed43e8d4a45b3e2a9a9deee187c0e3be052c31b4ff49a8382cf743b6a1f1086d8ae7e63544e3135db1f352c55c7c5a0ab3a18cc227a56721e0c0

  • \Users\Admin\AppData\Local\Temp\is-SPS7M.tmp\jfw4000c.tmp

    Filesize

    688KB

    MD5

    c765336f0dcf4efdcc2101eed67cd30c

    SHA1

    fa0279f59738c5aa3b6b20106e109ccd77f895a7

    SHA256

    c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

    SHA512

    06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

  • memory/1956-72-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1956-77-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1992-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1992-79-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB