Analysis

  • max time kernel
    123s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-07-2022 00:04

General

  • Target

    e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e.exe

  • Size

    252KB

  • MD5

    ba170b8e67894178b768b38bce05bfb5

  • SHA1

    c0cd01af7e9876f060b292cc595894705dbb2ff7

  • SHA256

    e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e

  • SHA512

    81a1b0c7a6596761ab106c390df9dc182aa0a6454198ed9c473c9b443514c0c1ab9c3f23d03ce51aac4c609ceaa2f8325e5208ad014e9dd8d62fd4406b0f85ba

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • suricata: ET MALWARE Cobalt Strike Beacon Observed

    suricata: ET MALWARE Cobalt Strike Beacon Observed

  • suricata: ET MALWARE Successful Cobalt Strike Shellcode Download (x64) M1

    suricata: ET MALWARE Successful Cobalt Strike Shellcode Download (x64) M1

  • Executes dropped EXE 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e.exe
    "C:\Users\Admin\AppData\Local\Temp\e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Public\winsver.exe
      "C:\Users\Public\winsver.exe"
      2⤵
      • Executes dropped EXE
      PID:4572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Public\winsver.exe
    Filesize

    252KB

    MD5

    ba170b8e67894178b768b38bce05bfb5

    SHA1

    c0cd01af7e9876f060b292cc595894705dbb2ff7

    SHA256

    e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e

    SHA512

    81a1b0c7a6596761ab106c390df9dc182aa0a6454198ed9c473c9b443514c0c1ab9c3f23d03ce51aac4c609ceaa2f8325e5208ad014e9dd8d62fd4406b0f85ba

  • C:\Users\Public\winsver.exe
    Filesize

    252KB

    MD5

    ba170b8e67894178b768b38bce05bfb5

    SHA1

    c0cd01af7e9876f060b292cc595894705dbb2ff7

    SHA256

    e29626e9cf755cc084adf9c08b0f6fd5750d86f5cfe580ca971c29c0110f590e

    SHA512

    81a1b0c7a6596761ab106c390df9dc182aa0a6454198ed9c473c9b443514c0c1ab9c3f23d03ce51aac4c609ceaa2f8325e5208ad014e9dd8d62fd4406b0f85ba

  • memory/4572-130-0x0000000000000000-mapping.dmp
  • memory/4572-133-0x000002321A510000-0x000002321A910000-memory.dmp
    Filesize

    4.0MB

  • memory/4572-134-0x000002321A910000-0x000002321A95C000-memory.dmp
    Filesize

    304KB