Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03-11-2023 04:12

General

  • Target

    0a556cae58e0ffc02ebfe7be0e913dd9220639b175e36b0371cbace2cea4d72c.exe

  • Size

    5.4MB

  • MD5

    0487a0d8198048dbbeb0bf9793f02aef

  • SHA1

    1fe039fbcd319a4296924cfa16f1dd9a0d621e9c

  • SHA256

    0a556cae58e0ffc02ebfe7be0e913dd9220639b175e36b0371cbace2cea4d72c

  • SHA512

    b86ef84947e0394b27bb8460021a2e08d218514bcff94b92f9aab64f66663a98c5d9ef4fa7ed089dccd1a917fab9d1cfc2a5c0e2e78e79246e2a240ccf9d6734

  • SSDEEP

    98304:pd5QnY1PB46ww2V2niT/qZofuIu8otdOpcQ/fTX/e4P8bVy2ZS3YfURpbXEheZ7e:75AY1PB46iLHvu82dOpcQ/7XG4P8bU2R

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\0a556cae58e0ffc02ebfe7be0e913dd9220639b175e36b0371cbace2cea4d72c.exe
    "C:\Users\Admin\AppData\Local\Temp\0a556cae58e0ffc02ebfe7be0e913dd9220639b175e36b0371cbace2cea4d72c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4516
    • C:\Users\Admin\AppData\Local\Temp\is-SMKG9.tmp\is-MLUOS.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SMKG9.tmp\is-MLUOS.tmp" /SL4 $8021C "C:\Users\Admin\AppData\Local\Temp\0a556cae58e0ffc02ebfe7be0e913dd9220639b175e36b0371cbace2cea4d72c.exe" 5313934 114176
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 3
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:696
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 3
          4⤵
            PID:3440
        • C:\Program Files (x86)\IBuster\IBuster.exe
          "C:\Program Files (x86)\IBuster\IBuster.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3628
        • C:\Program Files (x86)\IBuster\IBuster.exe
          "C:\Program Files (x86)\IBuster\IBuster.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\IBuster\IBuster.exe

      Filesize

      4.0MB

      MD5

      0f8d634e00fc0d28a834a397b249bf8a

      SHA1

      8918916495816f46414b4e211ecb9c238dbb53c1

      SHA256

      64d670859f59fed76758ac9e838ed079eb67558517b251652885423424044098

      SHA512

      22de97b0b48dd823aef1f33a954145acc35426509a40a1281b3ee3abe78104cdf050c2d30c323eca0a78e46490492631f3e882a815091550e969508e6ffae495

    • C:\Program Files (x86)\IBuster\IBuster.exe

      Filesize

      4.0MB

      MD5

      0f8d634e00fc0d28a834a397b249bf8a

      SHA1

      8918916495816f46414b4e211ecb9c238dbb53c1

      SHA256

      64d670859f59fed76758ac9e838ed079eb67558517b251652885423424044098

      SHA512

      22de97b0b48dd823aef1f33a954145acc35426509a40a1281b3ee3abe78104cdf050c2d30c323eca0a78e46490492631f3e882a815091550e969508e6ffae495

    • C:\Program Files (x86)\IBuster\IBuster.exe

      Filesize

      4.0MB

      MD5

      0f8d634e00fc0d28a834a397b249bf8a

      SHA1

      8918916495816f46414b4e211ecb9c238dbb53c1

      SHA256

      64d670859f59fed76758ac9e838ed079eb67558517b251652885423424044098

      SHA512

      22de97b0b48dd823aef1f33a954145acc35426509a40a1281b3ee3abe78104cdf050c2d30c323eca0a78e46490492631f3e882a815091550e969508e6ffae495

    • C:\Users\Admin\AppData\Local\Temp\is-SMKG9.tmp\is-MLUOS.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • C:\Users\Admin\AppData\Local\Temp\is-SMKG9.tmp\is-MLUOS.tmp

      Filesize

      643KB

      MD5

      a991510c12f20ccf8a5231a32a7958c3

      SHA1

      122724d1a4fdea39af3aa427e4941158d7e91dfa

      SHA256

      0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

      SHA512

      8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

    • \Users\Admin\AppData\Local\Temp\is-L48UF.tmp\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/772-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/772-95-0x0000000000400000-0x00000000004CF000-memory.dmp

      Filesize

      828KB

    • memory/772-93-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/2844-113-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

      Filesize

      692KB

    • memory/2844-124-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-140-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-90-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-91-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-137-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-133-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-130-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-96-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-99-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-102-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-105-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-108-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-111-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-112-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

      Filesize

      692KB

    • memory/2844-127-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-117-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-118-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

      Filesize

      692KB

    • memory/2844-121-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/3628-86-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/3628-82-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/3628-84-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/3628-87-0x0000000000400000-0x00000000007FC000-memory.dmp

      Filesize

      4.0MB

    • memory/4516-1-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/4516-92-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB