Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/11/2023, 15:32

General

  • Target

    0c8f8b449c79924eb2c3b2ff010b533a3ad4411d1eca6b9d6aea072b2f68e3de.exe

  • Size

    5.6MB

  • MD5

    b262f6542404edd694ed1b66675f0a8a

  • SHA1

    c53902d8fd647d3cedeb5739ad57c2008828390e

  • SHA256

    0c8f8b449c79924eb2c3b2ff010b533a3ad4411d1eca6b9d6aea072b2f68e3de

  • SHA512

    9a691f69ccdc20f0c74f5b69644afa37d79344623fa6bb80d9bde61104ab327c7007193ad346a2996ad82b0308a3671a8e539463d368b841be5ba2f349b215f6

  • SSDEEP

    98304:wiRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:pRm1syxacY48eda2TMpQdZ9nc+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\0c8f8b449c79924eb2c3b2ff010b533a3ad4411d1eca6b9d6aea072b2f68e3de.exe
    "C:\Users\Admin\AppData\Local\Temp\0c8f8b449c79924eb2c3b2ff010b533a3ad4411d1eca6b9d6aea072b2f68e3de.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\AppData\Local\Temp\is-S06VJ.tmp\is-J0BFN.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S06VJ.tmp\is-J0BFN.tmp" /SL4 $D01EA "C:\Users\Admin\AppData\Local\Temp\0c8f8b449c79924eb2c3b2ff010b533a3ad4411d1eca6b9d6aea072b2f68e3de.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:4884
        • 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:4272
        • 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:2948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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-S06VJ.tmp\is-J0BFN.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • C:\Users\Admin\AppData\Local\Temp\is-S06VJ.tmp\is-J0BFN.tmp

      Filesize

      642KB

      MD5

      e57693101a63b1f934f462bc7a2ef093

      SHA1

      2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

      SHA256

      71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

      SHA512

      3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

    • \Users\Admin\AppData\Local\Temp\is-73JIE.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/2948-115-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-109-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-140-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-137-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-133-0x0000000000A20000-0x0000000000AC4000-memory.dmp

      Filesize

      656KB

    • memory/2948-89-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-132-0x0000000000A20000-0x0000000000AC4000-memory.dmp

      Filesize

      656KB

    • memory/2948-131-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-92-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-128-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-96-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-97-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-100-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-103-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-106-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-125-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-111-0x0000000000A20000-0x0000000000AC4000-memory.dmp

      Filesize

      656KB

    • memory/2948-110-0x0000000000A20000-0x0000000000AC4000-memory.dmp

      Filesize

      656KB

    • memory/2948-122-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-118-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/2948-119-0x0000000000A20000-0x0000000000AC4000-memory.dmp

      Filesize

      656KB

    • memory/4076-0-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4076-90-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4272-81-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/4272-83-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/4272-85-0x0000000000400000-0x000000000086F000-memory.dmp

      Filesize

      4.4MB

    • memory/4440-93-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/4440-91-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/4440-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB