Analysis

  • max time kernel
    298s
  • max time network
    256s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2023 22:30

General

  • Target

    6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.exe

  • Size

    7.4MB

  • MD5

    058dc9c4956bc5ab57a484a9e15dba1f

  • SHA1

    fd5bffe3af05cf3ccc47525a0cd3006be6a37d3f

  • SHA256

    6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9

  • SHA512

    5fdab0630e9caee163e96e141956c05e976e4fddcc629930941737e432b5daa449323925fb288460f5ef3be4ec19da40ed2e392a59166e7063bac138aa6b45b9

  • SSDEEP

    196608:IM8p4DZgasJV7IH+Pe29nE5O7IdBHbNVKM7zj:IMH2asf7IHg9nQO7IPHbNVKKzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.exe
    "C:\Users\Admin\AppData\Local\Temp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\is-5SUA0.tmp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5SUA0.tmp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.tmp" /SL5="$30156,7457838,54272,C:\Users\Admin\AppData\Local\Temp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1940
        • C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe
          "C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2448
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 9
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:572
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 9
            4⤵
              PID:2100
          • C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe
            "C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1432

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe

        Filesize

        577KB

        MD5

        25905eed0e993c4503528d73b35b1b71

        SHA1

        3a8082f184a2f382bc0298617548c41351bbdf21

        SHA256

        e0f849d05829cb4e660b90516d3664780ea89ff587ee011f4207b5fb8cc471d4

        SHA512

        81a9487beba39105abddd7f96940d3f462256f176e47a666044b5f56edfd810b0910b7edb268d3c17d20897a937c22f6196badc9af6c68accb4fc9ea38e03833

      • C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe

        Filesize

        932KB

        MD5

        8cc1116d8ad537401214e177bf515fae

        SHA1

        2f53bb4bec73ef8d66702b5beedd18140645041a

        SHA256

        bca18249317c5c79b69925750169ea26d50e094b7d65689d4c919472a9ca2a8e

        SHA512

        192b8713eeb2701daf2697ab4780a042d3bb85b5fb7caca56c58384b98d42a9d89eb6715647cfb6a9ce437918abcc9f9a6d7d7d6f1197094febe39da2d54a793

      • C:\Program Files (x86)\Voicemeeter\Voicemeeter.exe

        Filesize

        712KB

        MD5

        5f95e6ff1314c16217ec9c2d1a9cecbd

        SHA1

        9361148494bf9447e3fef40edb79cbba029ca89f

        SHA256

        8969a3178a95b65124a8b7e41b510a3bd3b1befd52b800ad1cbd9bd4b9adc56a

        SHA512

        783059868e803e03d3d32aa9dc5471571b896fee957f6b23d2cebf98f167336c20fab7b79cd0c08441bff25c629163fa52647178d4b615333b6e02a5987496ed

      • \Program Files (x86)\Voicemeeter\Voicemeeter.exe

        Filesize

        960KB

        MD5

        db7aa6db6c7ac09bb5dda7cbe2ceff95

        SHA1

        fdb57c2ec7920f4e0187b0e81c4cd53dcad84086

        SHA256

        0b4d61387b73f584933f0ffc21d1113355c9dc28321a67bac23d1e6f31ee6074

        SHA512

        1f3fcaed142a09c1571ae8addc5af3dbfce4df710801e1dd1f2d9113450e7dca9d5729b55b7dee5bd151539277ba347035a4f74f36763278d14997a7c4b75462

      • \Users\Admin\AppData\Local\Temp\is-5SUA0.tmp\6ecc0ca5d0376b2cf0b9a4c861eddb31ec5ff347d753d08c363611f61389e9a9.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-RP97G.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-RP97G.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • \Users\Admin\AppData\Local\Temp\is-RP97G.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • memory/1432-197-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-173-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-206-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-203-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-230-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-200-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-225-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-161-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-222-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-219-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-164-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-216-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-213-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-169-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-170-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-210-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-174-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-177-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-180-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-183-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-187-0x0000000002890000-0x0000000002932000-memory.dmp

        Filesize

        648KB

      • memory/1432-184-0x0000000002890000-0x0000000002932000-memory.dmp

        Filesize

        648KB

      • memory/1432-190-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-193-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/1432-196-0x0000000002890000-0x0000000002932000-memory.dmp

        Filesize

        648KB

      • memory/2448-153-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/2448-158-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/2448-155-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/2448-154-0x0000000000400000-0x000000000069C000-memory.dmp

        Filesize

        2.6MB

      • memory/2628-1-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2628-162-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2668-166-0x00000000034E0000-0x000000000377C000-memory.dmp

        Filesize

        2.6MB

      • memory/2668-165-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB

      • memory/2668-163-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2668-10-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB

      • memory/2668-152-0x00000000034E0000-0x000000000377C000-memory.dmp

        Filesize

        2.6MB