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Analysis

  • max time kernel
    150s
  • 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
    06/11/2023, 21:41

General

  • Target

    2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe

  • Size

    5.6MB

  • MD5

    96ba744e4b03f9fa9fb8d236f0f0bc38

  • SHA1

    0e95753b973a777477d1ad1651f9c19143d6e339

  • SHA256

    2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b

  • SHA512

    0a33c3289990dade8d58575756e9ca596c8955d467f82137dc05c5211dd5092cb045236bb797ce3e5cf47c993fde7065fd9f55d6465a842e1b0ebf8a1d8dde36

  • SSDEEP

    98304:siRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:9Rm1syxacY48eda2TMpQdZ9nc+fyhNjG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 5 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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe
    "C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\is-9S1KM.tmp\is-FI96L.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9S1KM.tmp\is-FI96L.tmp" /SL4 $900DE "C:\Users\Admin\AppData\Local\Temp\2655ccad75f063041a4b4ba87f9f547926d89b26ea859d42a38f1ca3116f035b.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3432
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:4332
        • 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:1304
        • 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:2932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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-9S1KM.tmp\is-FI96L.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-9S1KM.tmp\is-FI96L.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

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

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/1304-87-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/1304-82-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/1304-84-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-96-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-123-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-90-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-91-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-141-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-138-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-135-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-132-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-97-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-98-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-101-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-104-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-107-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-110-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-113-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-115-0x00000000009D0000-0x0000000000A74000-memory.dmp

      Filesize

      656KB

    • memory/2932-114-0x00000000009D0000-0x0000000000A74000-memory.dmp

      Filesize

      656KB

    • memory/2932-119-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-120-0x00000000009D0000-0x0000000000A74000-memory.dmp

      Filesize

      656KB

    • memory/2932-129-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2932-126-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3432-7-0x00000000005A0000-0x00000000005A1000-memory.dmp

      Filesize

      4KB

    • memory/3432-95-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/3432-93-0x00000000005A0000-0x00000000005A1000-memory.dmp

      Filesize

      4KB

    • memory/4032-1-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4032-92-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB