Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 03:16

General

  • Target

    913d49370e389a79cccaa4bb2094d6a3964e2d5e23dd22a038619f4a9c2a2939.exe

  • Size

    5.6MB

  • MD5

    3e45ce653714d01d230c93c60f206559

  • SHA1

    87f0ecee733a31772641d76ec728b9aad8a183ef

  • SHA256

    913d49370e389a79cccaa4bb2094d6a3964e2d5e23dd22a038619f4a9c2a2939

  • SHA512

    89089059012d9b3fe84bd0b6124f9fb113e64fa19bca00e3339367cd2c8a58365fce6826c31fe4f6c1103453c531d8564b1b14a1195b858b731e0b8ab04e969c

  • SSDEEP

    98304:IiRmxZFsM4kxzDcT+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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\913d49370e389a79cccaa4bb2094d6a3964e2d5e23dd22a038619f4a9c2a2939.exe
    "C:\Users\Admin\AppData\Local\Temp\913d49370e389a79cccaa4bb2094d6a3964e2d5e23dd22a038619f4a9c2a2939.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\is-NE7JQ.tmp\is-N59LE.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NE7JQ.tmp\is-N59LE.tmp" /SL4 $901FA "C:\Users\Admin\AppData\Local\Temp\913d49370e389a79cccaa4bb2094d6a3964e2d5e23dd22a038619f4a9c2a2939.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:1952
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:4432
        • 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:3120
        • 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:3028

    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-NE7JQ.tmp\is-N59LE.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-NE7JQ.tmp\is-N59LE.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

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

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/1460-0-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1460-91-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3028-121-0x0000000000980000-0x0000000000A24000-memory.dmp

      Filesize

      656KB

    • memory/3028-138-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-133-0x0000000000980000-0x0000000000A24000-memory.dmp

      Filesize

      656KB

    • memory/3028-132-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-88-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-90-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-129-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-126-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-93-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-141-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-97-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-98-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-101-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-104-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-107-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-110-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-112-0x0000000000980000-0x0000000000A24000-memory.dmp

      Filesize

      656KB

    • memory/3028-116-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-119-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3028-134-0x0000000000980000-0x0000000000A24000-memory.dmp

      Filesize

      656KB

    • memory/3028-123-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3120-86-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3120-81-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3120-83-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3120-85-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/3528-92-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

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

      Filesize

      4KB

    • memory/3528-94-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB