Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 14:17

General

  • Target

    0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.exe

  • Size

    6.9MB

  • MD5

    b7d7bb7f8803aae01569b637671c91c7

  • SHA1

    36e592cc182fab9a55e6eeec69b29a5dc5dc7c45

  • SHA256

    0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87

  • SHA512

    2f052f7c5735bb879292130ba16a1649e4c40b9e2863c0b478febe86b7fbf46e245e59491368309a263361c5680ca9f4374617e2ca73047da32e26f2882db6d5

  • SSDEEP

    196608:sbw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:sbw61woTCR9+OTbl0Zo/Gzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.exe
    "C:\Users\Admin\AppData\Local\Temp\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\is-KRI73.tmp\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KRI73.tmp\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.tmp" /SL5="$601FA,6958728,68096,C:\Users\Admin\AppData\Local\Temp\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4956
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2820
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3416
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:196
          • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
            "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
            3⤵
            • Executes dropped EXE
            PID:528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.7MB

        MD5

        09ed6a9518947818438791f78942f5bc

        SHA1

        a4d21a440c4a20d6424f835bc06a255684d648fa

        SHA256

        66a9a1167152fd5e3991be96c3ad69183d76f200d2b1948e31a2933d0142fa4c

        SHA512

        ccd57c822f58acaf72edfdc17cca5699e38c17cf534cc00ac6d1351812596c7880757baed62385d7c7018e78f4d0f435f3cefcd801e647e193bbac72b4855af0

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

        Filesize

        1.3MB

        MD5

        822efb2fefa2a54e228ccc5aa63bad0c

        SHA1

        64b114c3390c74ccd492f313fe6f9bf91a1c08af

        SHA256

        20c1f0f403321298cc806dff5c44c6b4a7fffd8da6086b5f4c5096420123ef06

        SHA512

        12343d1be03498a7006d8f71dfe82a02fae0da557e1c5ed890a89c188db2c91b628570cf9da8ed6823bd29b2a7badf575d9c3339ba144426366b2d2d7ee247a6

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

        Filesize

        398KB

        MD5

        6b796d049de7c7e852aebe15996f080b

        SHA1

        9d5b0f9729ff757c1a4fc508eb98b945a9ae45d1

        SHA256

        180045e08153cc970827726b220232659677ab6ef3c6d59bdd7c6107e706388b

        SHA512

        360a0113325de66daf858019725bfe36b8621e7b70a3e70691eaf6977877c17c0f0d827864a9cf40a00b6de989186dfff031a9097956deee7b1a870df699497c

      • C:\Users\Admin\AppData\Local\Temp\is-KRI73.tmp\0db339d19f5f6f124d141eeb22890016f938fea08905ca1a42b578b157859a87.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-3A6IN.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-3A6IN.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/528-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-164-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-189-0x0000000002610000-0x00000000026AE000-memory.dmp

        Filesize

        632KB

      • memory/528-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-201-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-207-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-172-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-175-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-178-0x0000000002610000-0x00000000026AE000-memory.dmp

        Filesize

        632KB

      • memory/528-181-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/528-182-0x0000000002610000-0x00000000026AE000-memory.dmp

        Filesize

        632KB

      • memory/1256-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1256-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1256-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2820-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2820-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2820-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3572-162-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/3572-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3572-16-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB