Analysis

  • max time kernel
    142s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    26/06/2023, 05:49

General

  • Target

    8cf58eb83d5a060190cd796c301ed34b.exe

  • Size

    2.6MB

  • MD5

    8cf58eb83d5a060190cd796c301ed34b

  • SHA1

    9aacc01d979dc768e9de2f31766c1d1f30efd0e0

  • SHA256

    21aae3b5858a7847209d808316c742eee59080d0999ace4c1b7ff4c03c6072f8

  • SHA512

    f4a7329d2bca3402eac6d4fcf44ce01056a7badb8643e2495bd8933f546f83a2caeb02f0c7e3b09fca20a9929e570e969df8590613fc2387965d72a693700615

  • SSDEEP

    49152:tG/qz0PLIfDCRkDNDHdePgbtSNGu7xWCLlz0ZQIACGcd16Fxh:ICz0P8LCGJD92gJSPMCped167h

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cf58eb83d5a060190cd796c301ed34b.exe
    "C:\Users\Admin\AppData\Local\Temp\8cf58eb83d5a060190cd796c301ed34b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\is-E8EN0.tmp\is-NSC1N.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E8EN0.tmp\is-NSC1N.tmp" /SL4 $70122 "C:\Users\Admin\AppData\Local\Temp\8cf58eb83d5a060190cd796c301ed34b.exe" 2348199 593920
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: GetForegroundWindowSpam
      PID:620

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\FreeSpacer626\readme.txt

          Filesize

          4KB

          MD5

          ce494d2d223aed950fea67f657d3fa3e

          SHA1

          97a19c02487c41e3a079cd6764afffeb5e838b26

          SHA256

          c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9

          SHA512

          687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1

        • C:\Users\Admin\AppData\Local\Temp\is-E8EN0.tmp\is-NSC1N.tmp

          Filesize

          1.2MB

          MD5

          25d799a5f8e9b2c0f55a6f1544eea332

          SHA1

          5bb75efea4dc5e878f261daa08abbe23de85bd42

          SHA256

          dd9a41bad124de9e2c50ec4aa7361b2388702d62e97b904afc9c0cbff3608517

          SHA512

          03a5ee8aab70bceecc95dd36b7d867cd11d7adf6ce025b841f6e93f42fd1ddd01fde75f4998c5dfa3450268f03c29bdb02f568409f01484f8f4873f71d928b88

        • C:\Users\Admin\AppData\Local\Temp\is-E8EN0.tmp\is-NSC1N.tmp

          Filesize

          1.2MB

          MD5

          25d799a5f8e9b2c0f55a6f1544eea332

          SHA1

          5bb75efea4dc5e878f261daa08abbe23de85bd42

          SHA256

          dd9a41bad124de9e2c50ec4aa7361b2388702d62e97b904afc9c0cbff3608517

          SHA512

          03a5ee8aab70bceecc95dd36b7d867cd11d7adf6ce025b841f6e93f42fd1ddd01fde75f4998c5dfa3450268f03c29bdb02f568409f01484f8f4873f71d928b88

        • \Users\Admin\AppData\Local\Temp\is-E8EN0.tmp\is-NSC1N.tmp

          Filesize

          1.2MB

          MD5

          25d799a5f8e9b2c0f55a6f1544eea332

          SHA1

          5bb75efea4dc5e878f261daa08abbe23de85bd42

          SHA256

          dd9a41bad124de9e2c50ec4aa7361b2388702d62e97b904afc9c0cbff3608517

          SHA512

          03a5ee8aab70bceecc95dd36b7d867cd11d7adf6ce025b841f6e93f42fd1ddd01fde75f4998c5dfa3450268f03c29bdb02f568409f01484f8f4873f71d928b88

        • \Users\Admin\AppData\Local\Temp\is-R18Q9.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-R18Q9.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-R18Q9.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/620-124-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/620-244-0x0000000000400000-0x0000000000536000-memory.dmp

          Filesize

          1.2MB

        • memory/1696-54-0x0000000000400000-0x0000000000497000-memory.dmp

          Filesize

          604KB

        • memory/1696-243-0x0000000000400000-0x0000000000497000-memory.dmp

          Filesize

          604KB