Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2023, 10:31

General

  • Target

    bdccb653d26347e5b080c2eb3da2687b83ff970b711c212139895b58f19278e3.exe

  • Size

    5.6MB

  • MD5

    9c1533cef369fa4f22629bf9f2873c00

  • SHA1

    79c5f3657ae58552f710d5252a58ae347add9de9

  • SHA256

    bdccb653d26347e5b080c2eb3da2687b83ff970b711c212139895b58f19278e3

  • SHA512

    f34a9535032f1d8e99bd9e1f93b66447b2716d609d175dbbd2408c76363966bba417c21c6e7f80cc8c0e8fdadcfd053c44c131b96e48c09350d96b6d156627de

  • SSDEEP

    98304:+iRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:LRm1syxacY48eda2TMpQdZ9nc+fyhNjG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 4 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\bdccb653d26347e5b080c2eb3da2687b83ff970b711c212139895b58f19278e3.exe
    "C:\Users\Admin\AppData\Local\Temp\bdccb653d26347e5b080c2eb3da2687b83ff970b711c212139895b58f19278e3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\is-0D38S.tmp\is-NP2J9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0D38S.tmp\is-NP2J9.tmp" /SL4 $90090 "C:\Users\Admin\AppData\Local\Temp\bdccb653d26347e5b080c2eb3da2687b83ff970b711c212139895b58f19278e3.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3108
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:2656
        • 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:4064
        • 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:548

    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-0D38S.tmp\is-NP2J9.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-0D38S.tmp\is-NP2J9.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-N9GF3.tmp\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/548-90-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-96-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-118-0x00000000009E0000-0x0000000000A84000-memory.dmp

            Filesize

            656KB

          • memory/548-134-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-131-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-139-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-121-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-117-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-93-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-128-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-124-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-136-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-97-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-100-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-103-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-107-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-110-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-113-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/548-114-0x00000000009E0000-0x0000000000A84000-memory.dmp

            Filesize

            656KB

          • memory/856-91-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/856-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4064-84-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4064-87-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4064-86-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4064-82-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4636-95-0x0000000002360000-0x0000000002361000-memory.dmp

            Filesize

            4KB

          • memory/4636-94-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/4636-7-0x0000000002360000-0x0000000002361000-memory.dmp

            Filesize

            4KB