Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 15:21

General

  • Target

    0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.exe

  • Size

    6.9MB

  • MD5

    e381f168b008dff26e50c57965383633

  • SHA1

    874b8f7244388228e71874681afb05539eba5eab

  • SHA256

    0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a

  • SHA512

    5e6916777a9f8b0ecb6ee0a3f2b9c4090ad4b67d17a75772a857525ee60072ef28e48ec153a708592632de3b3b30460057443331ac5cf16bff1453b5b816da07

  • SSDEEP

    196608:ieusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:JVsg95KnxLrGufn765k+zj

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\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.exe
    "C:\Users\Admin\AppData\Local\Temp\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\is-A501S.tmp\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A501S.tmp\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.tmp" /SL5="$600DE,6944675,68096,C:\Users\Admin\AppData\Local\Temp\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4752
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1176
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4528
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4032
          • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
            "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
            3⤵
            • Executes dropped EXE
            PID:5072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        fe9e9d10c240fabd1e08b138e19b2da4

        SHA1

        f65c6f1509625234372f820c9027a8f864489fd3

        SHA256

        ed07307aa6b42a4170865e4f5ac1aa9d2aafe055044e8b97b386f910fc5ff03c

        SHA512

        993d5f4bef3846b3af002179aef461cc555b22e5c2c3e16f94983934b4fef7808f248a771620f538e0a416ce1d8d96f720d373d828dad779194df2fa88c3bb2a

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

        Filesize

        1.7MB

        MD5

        21edd7051a456b435307309696965321

        SHA1

        e1ee4f092471c20e2fc1ffe712e135b1ae85e84e

        SHA256

        e9ba41591511fcf6f565fd1e4dd3f069c8f9335b866448fd4238209fa48d0b39

        SHA512

        756115df493164e9fd469aa166bb5f809151b10c906b8f360e19b3c59470d3086d46ad19f3d8204694d2f67afdfbaffc35a4cb5611df323f6c763f69f43e7018

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

        Filesize

        1.2MB

        MD5

        c3995e045e4be5d83189f5e19bf1990a

        SHA1

        c44f536e76191a1e2baa4229950142f81fce0b87

        SHA256

        a92ad9000f673491d49a573be73cc40d2a4c762864f83729466b4d4cf32188ed

        SHA512

        b80c4a5d9a1c2e24320515c7f65cf9aa8e0cce3d5a3d1ebf3f03879a0f19398f5c85998a70393cb4341495a7906594dd2c98ee853b06aa98f9d74dfdccbd4fa5

      • C:\Users\Admin\AppData\Local\Temp\is-2MSO3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-2MSO3.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-A501S.tmp\0ab2b3da785921b09ffd3fb20267328f3ed6dcd8b1015106476b1ffa39aacb9a.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/396-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/396-7-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/396-163-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/1176-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1176-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1176-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1176-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2364-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2364-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2364-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5072-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-180-0x0000000000880000-0x000000000091E000-memory.dmp

        Filesize

        632KB

      • memory/5072-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-189-0x0000000000880000-0x000000000091E000-memory.dmp

        Filesize

        632KB

      • memory/5072-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5072-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB