Analysis

  • max time kernel
    144s
  • max time network
    150s
  • 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, 08:41

General

  • Target

    5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.exe

  • Size

    6.9MB

  • MD5

    38cda1f8f8ed4f1c9513f9aeb1c23294

  • SHA1

    fc9f674b3cea0f4524a98c88f5f81d2cda43e465

  • SHA256

    5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b

  • SHA512

    57c54c7a7ba140d0fd80147867372b4ee894d4b0cf1f44d7e6990a7b151459cf07f30c0e1e12829512f8af8bc46b262438fef0815e169b73199bdede6eb408b3

  • SSDEEP

    196608:myD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:R4Uvfc2RGatZcXF5uzj

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\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.exe
    "C:\Users\Admin\AppData\Local\Temp\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\is-CEFS2.tmp\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CEFS2.tmp\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.tmp" /SL5="$5006C,6986290,68096,C:\Users\Admin\AppData\Local\Temp\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:644
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2100
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2272
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:468
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3904
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1468

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              1.4MB

              MD5

              d50bb7b353250dbdc84fe76ad5e92d28

              SHA1

              c90c28fa8897d710c312f7d0617c56ba8dbd14ad

              SHA256

              cdaf84dd529c529b554d6341de7b9a9acfb9e2a15ab9af79a5165ed58729fc03

              SHA512

              87fae1b25ca11fdaa0ec34bd2ca969b3ad43011887f244ec1464c5630501460c9a786a3e354be013d3bfb017044c4e949a88fa72366c6ab2e5df625a41be4439

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

              Filesize

              1.5MB

              MD5

              7cb3a7d26478af7da34be8e41a8b9bbc

              SHA1

              5df0f8ac0d20dc7ee960c202aa52dbb53f7a5b3e

              SHA256

              cf6d325a32772ec82bcff03cf8f7c3594a66c66b42254c44f3a9873f1124e3fe

              SHA512

              e995846ff42967cfc6fd3067b46006089ef47cb1eec6a2a20055469cd14a04592f5cb491ae1923e90ded11b6c56e2580a2799a2778a13cb89cf85f8700327abe

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

              Filesize

              589KB

              MD5

              54e19f887ae133494e272ca6e8a8388e

              SHA1

              d7d91183414161610c9b740b409c55f59c6ea01b

              SHA256

              6a39fadf752108e42de120adec783a0b5721e14125566a4ff5228b5eda1f2f27

              SHA512

              126e73d5b0c51a5442fb27db7f7abf809aca6887d22fc172a01ea21a8069959a84bdc32598155581ff7c9a2be2a938911d6667a233cfc168063ab9797dcb2464

            • C:\Users\Admin\AppData\Local\Temp\is-48OQ3.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-48OQ3.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-CEFS2.tmp\5a4dd6fa325c42d7d224daddcb7cdf93c195ed26727d2f6ca4df167bb5572a3b.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/468-203-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-209-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-199-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-193-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-206-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-181-0x00000000006C0000-0x000000000075E000-memory.dmp

              Filesize

              632KB

            • memory/468-186-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-190-0x00000000006C0000-0x000000000075E000-memory.dmp

              Filesize

              632KB

            • memory/468-189-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-167-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/468-179-0x00000000006C0000-0x000000000075E000-memory.dmp

              Filesize

              632KB

            • memory/468-180-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/644-163-0x0000000000660000-0x0000000000661000-memory.dmp

              Filesize

              4KB

            • memory/644-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/644-10-0x0000000000660000-0x0000000000661000-memory.dmp

              Filesize

              4KB

            • memory/2272-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2272-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2272-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2272-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/5056-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/5056-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/5056-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB