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Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 15:46

General

  • Target

    6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.exe

  • Size

    6.9MB

  • MD5

    4b420e111423638356f17a4d02835b63

  • SHA1

    347464b40e229037f474c7ca99f25d7e87751c67

  • SHA256

    6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966

  • SHA512

    6262346223f268d4e9448ae3ea1dfd35d067fed96a5ae9de195cfa791202e424c4779967d698bf5de56ec0349dba33e10759de99602ebcd47032653563b3a834

  • SSDEEP

    196608:Ebw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:Ebw61woTCR9+OTbl0Zo/Gzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.exe
    "C:\Users\Admin\AppData\Local\Temp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\is-ADF0G.tmp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ADF0G.tmp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.tmp" /SL5="$801EC,6958728,68096,C:\Users\Admin\AppData\Local\Temp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3176
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4460
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4576
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2896
          • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
            "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3172

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.8MB

        MD5

        3a37f2b617ec8d6d2806d3fd94292c8d

        SHA1

        1a828850d72c3486a4aa30d9556941ec90f42536

        SHA256

        e26ce90a7a3266084baf1a9d617bbddfe6acec4d086d9be047daa0afb8d2726d

        SHA512

        2edd47804a5e393352aea25c91862823a99f756c7b1b2b5233e320279946ede8c2f74e05c08ca994cbc346115a1a5e980e2c968a9a52877fe0c281bf286530ca

      • C:\Users\Admin\AppData\Local\Temp\is-ADF0G.tmp\6ad6eb85e7e49922e93fa06e9c6f5c89491f57c6325369e687427bdb50381966.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1112-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1112-160-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1112-158-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1768-157-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1768-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3172-187-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-177-0x0000000000750000-0x00000000007EE000-memory.dmp

        Filesize

        632KB

      • memory/3172-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-200-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-164-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-168-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-156-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-178-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-181-0x0000000000750000-0x00000000007EE000-memory.dmp

        Filesize

        632KB

      • memory/3172-184-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-188-0x0000000000750000-0x00000000007EE000-memory.dmp

        Filesize

        632KB

      • memory/3172-191-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3172-194-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4460-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4460-163-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4460-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4460-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB