Analysis

  • max time kernel
    141s
  • max time network
    150s
  • 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, 05:24

General

  • Target

    e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.exe

  • Size

    6.9MB

  • MD5

    8ee95e88a3dfa08849e111294e70b837

  • SHA1

    0e31d432c6edaa26d9a0b8eaa0da076fd06fc323

  • SHA256

    e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a

  • SHA512

    84ee9edd7f31726c0f68b800f613ea0aa35c9a81166f62afd4ea04a4400425a24000579ed840203e1c1c69590316e738b0626f1c7f9c4e9421105dd4a8b2c10c

  • SSDEEP

    98304:1zyQ4kc+v4jvDhsQepuwmrkz216aPE8d9X+X1M2CX27eGqc6hxTGZtsAzFjTidLb:4Q4PTP94zHQ9OX1M2CGjn6hDc6LKEzj

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\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.exe
    "C:\Users\Admin\AppData\Local\Temp\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Users\Admin\AppData\Local\Temp\is-5LM37.tmp\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5LM37.tmp\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.tmp" /SL5="$D01D4,6985458,68096,C:\Users\Admin\AppData\Local\Temp\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2232
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3788
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4512
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5104
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\WMAFormat\wmaformat.exe

              Filesize

              701KB

              MD5

              e438b3eff56887fed5365468688409cb

              SHA1

              593473129f9dee87c81db7b4765d3781a2025a94

              SHA256

              f3a743cec3c0f935b7d42a281d79b256a19ee2f8f1e29103d096be30ddda3436

              SHA512

              3e8dfc4684cca9d50116ac17f99777bf8f515c6546c9312686065b8d4c72b8cb4d88acc228e2d5055d51aedb3d23dfa5221abcbd4de3dca1780e1ba8323130db

            • C:\Program Files (x86)\WMAFormat\wmaformat.exe

              Filesize

              592KB

              MD5

              974176d2c7445f48dbac6199c613f78c

              SHA1

              b30491f11384ad49a1e0e5d716647dc602eefd26

              SHA256

              e88664405d7c0925f370b127ecd953925bc9037a373f0507a2cdb9d3441c5440

              SHA512

              ba34ef5005bdad4d8822860200dd4819fb469423c6d0c0294cd09438bda94e461095466abb91bf53558401596c826e975b0e78619636ee358e26786fe4981fe2

            • C:\Program Files (x86)\WMAFormat\wmaformat.exe

              Filesize

              345KB

              MD5

              061ca4de3b47b5d13edb6f7871c3b6e2

              SHA1

              c70fab381c1bacab73e2eb5c80220226c774fa54

              SHA256

              aa6f259a4257291038025d305bbabec81da355d29aa195bae5a818061595520c

              SHA512

              0099802ec1aab19f72c283f4c0829b93ae4a59c5ccab10328c0b225f8c9ba53f76ec1cdb016e4517fad697f1a48fb28f6e5b1725ae81c5353144489a4598abc3

            • C:\Users\Admin\AppData\Local\Temp\is-5LM37.tmp\e80668b30a35434fd9474326ce96bb940774c2f2a6e39129444ef886df64659a.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • \Users\Admin\AppData\Local\Temp\is-J466K.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-J466K.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1396-158-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1396-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3328-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3328-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3328-159-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3788-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3788-153-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3788-150-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-177-0x0000000000870000-0x000000000090E000-memory.dmp

              Filesize

              632KB

            • memory/4512-180-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-156-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-164-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-165-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-168-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-171-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-174-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-160-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-181-0x0000000000870000-0x000000000090E000-memory.dmp

              Filesize

              632KB

            • memory/4512-184-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-187-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-188-0x0000000000870000-0x000000000090E000-memory.dmp

              Filesize

              632KB

            • memory/4512-191-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-194-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-197-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-200-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-204-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/4512-207-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB