Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2023 13:17

General

  • Target

    81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe

  • Size

    4.0MB

  • MD5

    174e40c9b02019ea306825b4d8929892

  • SHA1

    5ba6bc5c0621f194c4f37a1b09ae358a5ec223c6

  • SHA256

    81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74

  • SHA512

    f6f466ca9f09320c678215d1891f95b929520db456daa74c26083777844a8dbd95326b5855da8451c66dbe09f434004d5554bef87e322c684f4d738a0ea8a031

  • SSDEEP

    98304:pdHsdNZFu6xd3CZangMbxlif4HwNoVnH6vhkL+unlqnf7e:7HsdNZFu4Co0fEw6VnHoPnf7e

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 28 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe
    "C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp" /SL4 $60160 "C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe" 3885557 242176
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:440
        • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
          "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1880
        • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
          "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1200

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe

      Filesize

      2.0MB

      MD5

      804f369f06b808caa1ad76798e957052

      SHA1

      15b925b2c163fabb2a799c040378a4df4f8fa94d

      SHA256

      406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483

      SHA512

      cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14

    • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe

      Filesize

      2.0MB

      MD5

      804f369f06b808caa1ad76798e957052

      SHA1

      15b925b2c163fabb2a799c040378a4df4f8fa94d

      SHA256

      406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483

      SHA512

      cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14

    • C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe

      Filesize

      2.0MB

      MD5

      804f369f06b808caa1ad76798e957052

      SHA1

      15b925b2c163fabb2a799c040378a4df4f8fa94d

      SHA256

      406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483

      SHA512

      cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14

    • C:\Users\Admin\AppData\Local\Temp\is-BB4PK.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • memory/1200-107-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-108-0x0000000000880000-0x000000000092A000-memory.dmp

      Filesize

      680KB

    • memory/1200-129-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-126-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-122-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-121-0x0000000000880000-0x000000000092A000-memory.dmp

      Filesize

      680KB

    • memory/1200-76-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-78-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-120-0x0000000000880000-0x000000000092A000-memory.dmp

      Filesize

      680KB

    • memory/1200-117-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-81-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-114-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-85-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-86-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-89-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-92-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-95-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-98-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-99-0x0000000000880000-0x000000000092A000-memory.dmp

      Filesize

      680KB

    • memory/1200-100-0x0000000000880000-0x000000000092A000-memory.dmp

      Filesize

      680KB

    • memory/1200-104-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1200-111-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1880-70-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1880-74-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1880-73-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/1880-71-0x0000000000400000-0x000000000060C000-memory.dmp

      Filesize

      2.0MB

    • memory/3460-82-0x00000000007B0000-0x00000000007B1000-memory.dmp

      Filesize

      4KB

    • memory/3460-80-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/3460-6-0x00000000007B0000-0x00000000007B1000-memory.dmp

      Filesize

      4KB

    • memory/5008-0-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB

    • memory/5008-79-0x0000000000400000-0x0000000000441000-memory.dmp

      Filesize

      260KB