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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2023, 08:29

General

  • Target

    SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.exe

  • Size

    6.9MB

  • MD5

    e75c67bfcc33a9f69f87542503d625f1

  • SHA1

    5ce13b873e4f494b84f296c759557b489c0d2a6f

  • SHA256

    819f7cc06198247e83ea8adf8ee02f833ed09fb8cbda213e335faa1f536126f0

  • SHA512

    4782f7ba4e765ef4246bfd22c4a7bdb030073ba2f0d6436128dc3e4932636e9e4c708cb767bb0d7ab3092e2dd600b41f63b0959b727a21a97fdcee3f7f5edbe8

  • SSDEEP

    196608:nyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:O4Uvfc2RGatZcXF5uzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Unexpected DNS network traffic destination 2 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\is-K6SLH.tmp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-K6SLH.tmp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.tmp" /SL5="$40156,6986290,68096,C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1112
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1656
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2244
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:752

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        429KB

        MD5

        cbf7b1ab51fd406babee40d814b5252d

        SHA1

        299537e79606626ea44737c8ef7d214944ef3181

        SHA256

        11a444bce3fef958e3060e376cddcd9ff053d939a522a5630b51d281a494ad7f

        SHA512

        8365f92dd536bc4de3099bf23ffca33bd1ae69f5d7d2ceeb8c725fe7eee0b33c6bc511f20578b5eabdcd9382e50e6d3f53ac667cd4e962e22a32e4dc97ad5803

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

        Filesize

        284KB

        MD5

        a361c87b424c6a91c10612695b41edef

        SHA1

        d2affa88ba6f3700cf87b8035d2992f5fbf8aff8

        SHA256

        2fd238fcc2ffa8bc8a00361b49ea76f5de2974a93b2f3b2e1bde83d52ea7b088

        SHA512

        e2273ac3965c183e10acd8f7126ea4618e759cb3c05e9b3b88a0da9a177585190214296e6ae7b2c4ff6bf6eb347336a76b205aacbaf074953bac130baed37164

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

        Filesize

        1.8MB

        MD5

        ee8b22146a6e1f7cbba2c11bbca9b52b

        SHA1

        f67a54573451b7bf873192100a1ef3e1c980f7a2

        SHA256

        5a3ad1b1662ad7858be1fef617d98b04f0eb23b10fc806a89ca3de8ce36ccd77

        SHA512

        16254c4914b639a7bde084fd1970c62e2a637b72a9cb86ab43f13da5c473e44612596b003389314eadc136034f726900b895b3180b1d8bfe4752d2e7fbcbeefa

      • \Users\Admin\AppData\Local\Temp\is-1EQ0T.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-1EQ0T.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • \Users\Admin\AppData\Local\Temp\is-1EQ0T.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Local\Temp\is-K6SLH.tmp\SecuriteInfo.com.Heuristic.HEUR.AGEN.1332570.13136.25491.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1384-162-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1384-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1656-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1656-156-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1656-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1656-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2104-151-0x00000000035B0000-0x000000000377F000-memory.dmp

        Filesize

        1.8MB

      • memory/2104-168-0x00000000035B0000-0x000000000377F000-memory.dmp

        Filesize

        1.8MB

      • memory/2104-165-0x0000000000250000-0x0000000000251000-memory.dmp

        Filesize

        4KB

      • memory/2104-7-0x0000000000250000-0x0000000000251000-memory.dmp

        Filesize

        4KB

      • memory/2104-163-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2244-164-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-186-0x00000000026B0000-0x000000000274E000-memory.dmp

        Filesize

        632KB

      • memory/2244-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-169-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-177-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-183-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-184-0x00000000026B0000-0x000000000274E000-memory.dmp

        Filesize

        632KB

      • memory/2244-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-190-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-196-0x00000000026B0000-0x000000000274E000-memory.dmp

        Filesize

        632KB

      • memory/2244-197-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-200-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2244-213-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB