Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 23:01

General

  • Target

    2aa2975319da46123a68b19de2d0346054fc129f2516ec66e576f814b766aade.exe

  • Size

    5.6MB

  • MD5

    fd43976069e3009c2cb2a5c013acc469

  • SHA1

    7cce85a567e3b700ecedbb5dd9fb51cbfd3d925a

  • SHA256

    2aa2975319da46123a68b19de2d0346054fc129f2516ec66e576f814b766aade

  • SHA512

    52cf71488550898328865ac65a5c72d0f891e492efe469c8482e97a1b479962c4e5ac17423fe051f248d86553c19e2c7deb6cc4a9c87f4d4036d69a2b606c4c7

  • 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\2aa2975319da46123a68b19de2d0346054fc129f2516ec66e576f814b766aade.exe
    "C:\Users\Admin\AppData\Local\Temp\2aa2975319da46123a68b19de2d0346054fc129f2516ec66e576f814b766aade.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Users\Admin\AppData\Local\Temp\is-2IIPC.tmp\is-RJ0A0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2IIPC.tmp\is-RJ0A0.tmp" /SL4 $9002A "C:\Users\Admin\AppData\Local\Temp\2aa2975319da46123a68b19de2d0346054fc129f2516ec66e576f814b766aade.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:764
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:548
        • 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:4760
        • 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:3912

    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-1UOHP.tmp\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • C:\Users\Admin\AppData\Local\Temp\is-2IIPC.tmp\is-RJ0A0.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • C:\Users\Admin\AppData\Local\Temp\is-2IIPC.tmp\is-RJ0A0.tmp

            Filesize

            642KB

            MD5

            e57693101a63b1f934f462bc7a2ef093

            SHA1

            2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

            SHA256

            71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

            SHA512

            3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

          • memory/8-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/8-90-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1804-7-0x00000000006B0000-0x00000000006B1000-memory.dmp

            Filesize

            4KB

          • memory/1804-94-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/1804-93-0x00000000006B0000-0x00000000006B1000-memory.dmp

            Filesize

            4KB

          • memory/3912-113-0x0000000000950000-0x00000000009F4000-memory.dmp

            Filesize

            656KB

          • memory/3912-111-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-91-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-140-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-137-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-95-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-96-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-99-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-102-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-105-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-108-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-133-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-112-0x0000000000950000-0x00000000009F4000-memory.dmp

            Filesize

            656KB

          • memory/3912-130-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-118-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-119-0x0000000000950000-0x00000000009F4000-memory.dmp

            Filesize

            656KB

          • memory/3912-121-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-124-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/3912-127-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4760-82-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4760-87-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4760-84-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB

          • memory/4760-86-0x0000000000400000-0x000000000086F000-memory.dmp

            Filesize

            4.4MB