Analysis

  • max time kernel
    126s
  • max time network
    63s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    05-07-2022 16:23

General

  • Target

    INV871623.txt.lnk

  • Size

    1KB

  • MD5

    7c1073209e40cb0957e097eb86ae4d79

  • SHA1

    fd8b3b87f44bfef8f5a7af23adf496b5494eaf01

  • SHA256

    1202a0e6d4b0282bcade76291346b5b410f05e05c978c087147a4c2006d69b42

  • SHA512

    ac6b78c0657388119e3c7d70c3b708ffbdc643965dcd9d11240b96110559b5e24409bc34921fa700bdeb39c16d37b40b6c1b83420f302137a46c84ca66e61406

Malware Config

Extracted

Family

icedid

Campaign

1825398430

C2

ciaontroni.com

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • suricata: ET MALWARE Win32/IcedID Request Cookie

    suricata: ET MALWARE Win32/IcedID Request Cookie

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 34 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\INV871623.txt.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -w h -file THjkgeCbhjm.ps1
      2⤵
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\notice.txt
        3⤵
        • Drops file in Windows directory
        • Modifies registry class
        • Opens file in notepad (likely ransom note)
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:3428
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" 768327532892733679.dll,#1
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:4024
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2416-114-0x0000000000000000-mapping.dmp

  • memory/2416-119-0x000001A4FB940000-0x000001A4FB962000-memory.dmp

    Filesize

    136KB

  • memory/2416-127-0x000001A4FC630000-0x000001A4FC6A6000-memory.dmp

    Filesize

    472KB

  • memory/3428-146-0x0000000000000000-mapping.dmp

  • memory/4024-147-0x0000000000000000-mapping.dmp

  • memory/4024-149-0x0000000180000000-0x0000000180009000-memory.dmp

    Filesize

    36KB