Resubmissions

23-11-2022 11:54

221123-n29q4sac62 8

23-11-2022 11:50

221123-nzvjeaaa96 8

Analysis

  • max time kernel
    145s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:54

General

  • Target

    DigioSmartClientWinV1.exe

  • Size

    2.6MB

  • MD5

    2c26a5fe35fb0d917f94abf706dc37ca

  • SHA1

    3aacc94414991041c970ef8f09980e5966e9e18b

  • SHA256

    76920592836662d1651d20afd9ac1afee41c96324e1cb7ddfde3698edc4dc628

  • SHA512

    a6f39e56017beac8e7a1085e415e5e52d439d7a6ed6bdd59505e44bdcf39f253ceede3f4754bcf13c508d51247e04d8bcf2b6259c569bdeb98282c9d8c60a1b6

  • SSDEEP

    49152:m75D5c14Z/7oFu9TNtROHcXUY2he3E/6BaMT8N2x9mV7dfR:K504Z/7x9XRO8F2c3GN2vYJ5

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DigioSmartClientWinV1.exe
    "C:\Users\Admin\AppData\Local\Temp\DigioSmartClientWinV1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Local\Temp\is-V9P0I.tmp\DigioSmartClientWinV1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V9P0I.tmp\DigioSmartClientWinV1.tmp" /SL5="$70124,2498203,62976,C:\Users\Admin\AppData\Local\Temp\DigioSmartClientWinV1.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Program Files (x86)\DigioSmartClient\DigioSmartClient.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:604
        • C:\Program Files (x86)\DigioSmartClient\DigioSmartClient.exe
          "C:\Program Files (x86)\DigioSmartClient\DigioSmartClient.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:316
          • C:\Program Files\Java\jre7\bin\javaw.exe
            "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Program Files (x86)\DigioSmartClient\DigioSmartClient.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1076
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "wmic OS get OSArchitecture"
              6⤵
                PID:1200

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      2.5MB

      MD5

      68cd3c29f0a12a5ed1900130caf65a38

      SHA1

      3b871a5756c4817939047ae00a779bee948e6d90

      SHA256

      d32469d0c846575fa17df0227326221a11bd2c8437504abe394ae2472c2b0d41

      SHA512

      c1226a8dd95af3349e106fb223819adbc8153e9fb5ec77c49f68fd4a6d0b92589d3105a292a3f91572c1645a2146ef72f5a937ffeae228d21a5838b363ee80e4

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

      Filesize

      2.5MB

      MD5

      68cd3c29f0a12a5ed1900130caf65a38

      SHA1

      3b871a5756c4817939047ae00a779bee948e6d90

      SHA256

      d32469d0c846575fa17df0227326221a11bd2c8437504abe394ae2472c2b0d41

      SHA512

      c1226a8dd95af3349e106fb223819adbc8153e9fb5ec77c49f68fd4a6d0b92589d3105a292a3f91572c1645a2146ef72f5a937ffeae228d21a5838b363ee80e4

    • C:\Users\Admin\AppData\Local\Temp\is-V9P0I.tmp\DigioSmartClientWinV1.tmp

      Filesize

      702KB

      MD5

      3aa677774c26200eb78f1c5e23ee981c

      SHA1

      46688b35cc291c45b2eea674cc8cee4420652ecf

      SHA256

      8106da5409b257dd305a2de755abc653a48e158f7a8d6348a9a5ad36c5708e37

      SHA512

      b234f4dc2c85e47a9bc4616b1e53d20ce428c14e2487332d05c8cc4edc94486c79869a78c4761dc8c41ede8d9808b974c2da0a285f6a74a9ef581a460bfc7557

    • C:\Users\Admin\AppData\Local\Temp\is-V9P0I.tmp\DigioSmartClientWinV1.tmp

      Filesize

      702KB

      MD5

      3aa677774c26200eb78f1c5e23ee981c

      SHA1

      46688b35cc291c45b2eea674cc8cee4420652ecf

      SHA256

      8106da5409b257dd305a2de755abc653a48e158f7a8d6348a9a5ad36c5708e37

      SHA512

      b234f4dc2c85e47a9bc4616b1e53d20ce428c14e2487332d05c8cc4edc94486c79869a78c4761dc8c41ede8d9808b974c2da0a285f6a74a9ef581a460bfc7557

    • \Program Files (x86)\DigioSmartClient\DigioSmartClient.exe

      Filesize

      2.5MB

      MD5

      68cd3c29f0a12a5ed1900130caf65a38

      SHA1

      3b871a5756c4817939047ae00a779bee948e6d90

      SHA256

      d32469d0c846575fa17df0227326221a11bd2c8437504abe394ae2472c2b0d41

      SHA512

      c1226a8dd95af3349e106fb223819adbc8153e9fb5ec77c49f68fd4a6d0b92589d3105a292a3f91572c1645a2146ef72f5a937ffeae228d21a5838b363ee80e4

    • \Users\Admin\AppData\Local\Temp\is-V9P0I.tmp\DigioSmartClientWinV1.tmp

      Filesize

      702KB

      MD5

      3aa677774c26200eb78f1c5e23ee981c

      SHA1

      46688b35cc291c45b2eea674cc8cee4420652ecf

      SHA256

      8106da5409b257dd305a2de755abc653a48e158f7a8d6348a9a5ad36c5708e37

      SHA512

      b234f4dc2c85e47a9bc4616b1e53d20ce428c14e2487332d05c8cc4edc94486c79869a78c4761dc8c41ede8d9808b974c2da0a285f6a74a9ef581a460bfc7557

    • memory/316-67-0x0000000000000000-mapping.dmp

    • memory/604-64-0x0000000000000000-mapping.dmp

    • memory/1076-71-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

      Filesize

      8KB

    • memory/1076-70-0x0000000000000000-mapping.dmp

    • memory/1356-61-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/1356-54-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB

    • memory/1356-55-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/1412-58-0x0000000000000000-mapping.dmp

    • memory/1412-62-0x0000000074571000-0x0000000074573000-memory.dmp

      Filesize

      8KB