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Analysis

  • max time kernel
    151s
  • max time network
    157s
  • 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, 20:11

General

  • Target

    eb049d93391c14564843a84e75b3e7b4b8850c5e0acb0e54cca10136aaa75e70.exe

  • Size

    5.6MB

  • MD5

    aec2c5b56b863b47acd7e9147f18d1e4

  • SHA1

    202204f777c032522fc401d9939355d5a72beabd

  • SHA256

    eb049d93391c14564843a84e75b3e7b4b8850c5e0acb0e54cca10136aaa75e70

  • SHA512

    2d4dc74487cd799e834699a5d8901e69f7df38738b6dee922f4e2b078125493116baf66413662dfaa0a4c94910989c768e79bf0a0ade1ae01f04c357c56f7b86

  • SSDEEP

    98304:eiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:rRm1syxacY48eda2TMpQdZ9nc+fyhNjG

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 34 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb049d93391c14564843a84e75b3e7b4b8850c5e0acb0e54cca10136aaa75e70.exe
    "C:\Users\Admin\AppData\Local\Temp\eb049d93391c14564843a84e75b3e7b4b8850c5e0acb0e54cca10136aaa75e70.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\is-6MC6M.tmp\is-30BAB.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6MC6M.tmp\is-30BAB.tmp" /SL4 $13004E "C:\Users\Admin\AppData\Local\Temp\eb049d93391c14564843a84e75b3e7b4b8850c5e0acb0e54cca10136aaa75e70.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3528
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:220
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:1512
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1116
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4632
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:4504
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Users\Admin\AppData\Local\Temp\is-6MC6M.tmp\is-30BAB.tmp

        Filesize

        642KB

        MD5

        e57693101a63b1f934f462bc7a2ef093

        SHA1

        2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

        SHA256

        71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

        SHA512

        3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

      • C:\Users\Admin\AppData\Local\Temp\is-6MC6M.tmp\is-30BAB.tmp

        Filesize

        642KB

        MD5

        e57693101a63b1f934f462bc7a2ef093

        SHA1

        2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

        SHA256

        71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

        SHA512

        3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

      • C:\Users\Admin\AppData\Local\Temp\is-KETQ9.tmp\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • memory/652-136-0x0000024E98F40000-0x0000024E98F50000-memory.dmp

        Filesize

        64KB

      • memory/652-152-0x0000024E99040000-0x0000024E99050000-memory.dmp

        Filesize

        64KB

      • memory/1116-85-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1116-83-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1116-81-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/3528-92-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/3528-6-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/3528-90-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

      • memory/4632-95-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-113-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-88-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-98-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-99-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-102-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-105-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-108-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-109-0x0000000000A50000-0x0000000000AF4000-memory.dmp

        Filesize

        656KB

      • memory/4632-91-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-116-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-119-0x0000000000A50000-0x0000000000AF4000-memory.dmp

        Filesize

        656KB

      • memory/4632-120-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-123-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-126-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-129-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4632-133-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/5112-89-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/5112-0-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB