Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    25-11-2021 16:34

General

  • Target

    69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d.exe

  • Size

    404KB

  • MD5

    3dd64bad7093671bc8892602189d7ff2

  • SHA1

    9e573c37bd5ccbc4ccdc20d129a7bf30bdd5ce44

  • SHA256

    69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d

  • SHA512

    dbd02c12ce60e3b46d401d7a03c0d94ac84ed667de84d70d8f4c6e73894f3bbf6dce2f93d6924a079beaf537b56dccf347d4fa0ed294ec870d2f6def31270a67

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d.exe
    "C:\Users\Admin\AppData\Local\Temp\69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:752

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    3dd64bad7093671bc8892602189d7ff2

    SHA1

    9e573c37bd5ccbc4ccdc20d129a7bf30bdd5ce44

    SHA256

    69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d

    SHA512

    dbd02c12ce60e3b46d401d7a03c0d94ac84ed667de84d70d8f4c6e73894f3bbf6dce2f93d6924a079beaf537b56dccf347d4fa0ed294ec870d2f6def31270a67

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    3dd64bad7093671bc8892602189d7ff2

    SHA1

    9e573c37bd5ccbc4ccdc20d129a7bf30bdd5ce44

    SHA256

    69c05a508e316c42b4a911a2ef8ccf3abc6a6ffe107b4917385caf83f1dd7a9d

    SHA512

    dbd02c12ce60e3b46d401d7a03c0d94ac84ed667de84d70d8f4c6e73894f3bbf6dce2f93d6924a079beaf537b56dccf347d4fa0ed294ec870d2f6def31270a67

  • memory/752-118-0x0000000000000000-mapping.dmp
  • memory/752-121-0x0000000001E68000-0x0000000001E94000-memory.dmp
    Filesize

    176KB

  • memory/752-122-0x0000000001C20000-0x0000000001D6A000-memory.dmp
    Filesize

    1.3MB

  • memory/752-123-0x0000000000400000-0x0000000001C1B000-memory.dmp
    Filesize

    24.1MB

  • memory/2756-115-0x0000000001DF9000-0x0000000001E25000-memory.dmp
    Filesize

    176KB

  • memory/2756-116-0x0000000003980000-0x00000000039BC000-memory.dmp
    Filesize

    240KB

  • memory/2756-117-0x0000000000400000-0x0000000001C1B000-memory.dmp
    Filesize

    24.1MB