Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2023, 07:13

General

  • Target

    fbd595f29c47c1c01b3901483cd3910a37eb2cc7f20fd33ceeaa1e318b1845d6.exe

  • Size

    5.6MB

  • MD5

    2aa4d946c4b7361160c4df1c78c2ae2e

  • SHA1

    aa62cea76b3290f7b40a85d1796d78391436c2d5

  • SHA256

    fbd595f29c47c1c01b3901483cd3910a37eb2cc7f20fd33ceeaa1e318b1845d6

  • SHA512

    05bb3621c8409d64fe4e353d46e2887d534d4e8d9fd61f347f0cf83417fd7875064bfd9eaa2a12062a443d26d736281b1a19b042eca6e7e16483f47584b4c423

  • SSDEEP

    98304:yiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:3Rm1syxacY48eda2TMpQdZ9nc+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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbd595f29c47c1c01b3901483cd3910a37eb2cc7f20fd33ceeaa1e318b1845d6.exe
    "C:\Users\Admin\AppData\Local\Temp\fbd595f29c47c1c01b3901483cd3910a37eb2cc7f20fd33ceeaa1e318b1845d6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Users\Admin\AppData\Local\Temp\is-MVPIQ.tmp\is-H86V9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MVPIQ.tmp\is-H86V9.tmp" /SL4 $100056 "C:\Users\Admin\AppData\Local\Temp\fbd595f29c47c1c01b3901483cd3910a37eb2cc7f20fd33ceeaa1e318b1845d6.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1424
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:2068
        • 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:4552
        • 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:5096

    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-MVPIQ.tmp\is-H86V9.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-MVPIQ.tmp\is-H86V9.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-VJQD2.tmp\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/1576-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1576-92-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1708-7-0x0000000002220000-0x0000000002221000-memory.dmp

            Filesize

            4KB

          • memory/1708-95-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/1708-93-0x0000000002220000-0x0000000002221000-memory.dmp

            Filesize

            4KB

          • memory/4552-83-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4552-84-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4552-86-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4552-87-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4552-96-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-97-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-119-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-90-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-98-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-101-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-104-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-107-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-110-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-113-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-115-0x0000000000A60000-0x0000000000B04000-memory.dmp

            Filesize

            656KB

          • memory/5096-114-0x0000000000A60000-0x0000000000B04000-memory.dmp

            Filesize

            656KB

          • memory/5096-91-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-120-0x0000000000A60000-0x0000000000B04000-memory.dmp

            Filesize

            656KB

          • memory/5096-123-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-126-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-129-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-132-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-135-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-136-0x0000000000A60000-0x0000000000B04000-memory.dmp

            Filesize

            656KB

          • memory/5096-137-0x0000000000A60000-0x0000000000B04000-memory.dmp

            Filesize

            656KB

          • memory/5096-141-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-144-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB