Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 00:35

General

  • Target

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3.exe

  • Size

    428KB

  • MD5

    6559c1adcf9f8b8052242a9c4025c482

  • SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

  • SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

  • SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • SSDEEP

    12288:+9v/7O4m8QrmdyS2MY4myHS3+A2QWJpAq4:G/7O4mBrmQS2P4mf+Pp

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3.exe
    "C:\Users\Admin\AppData\Local\Temp\b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1044 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3.exe" & start C:\Users\Admin\AppData\Local\fosqik.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1044
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1356
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:1952
      • C:\Users\Admin\AppData\Local\fosqik.exe
        C:\Users\Admin\AppData\Local\fosqik.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\fosqik.exe

    Filesize

    428KB

    MD5

    6559c1adcf9f8b8052242a9c4025c482

    SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

    SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

    SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • C:\Users\Admin\AppData\Local\fosqik.exe

    Filesize

    428KB

    MD5

    6559c1adcf9f8b8052242a9c4025c482

    SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

    SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

    SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • \Users\Admin\AppData\Local\fosqik.exe

    Filesize

    428KB

    MD5

    6559c1adcf9f8b8052242a9c4025c482

    SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

    SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

    SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • \Users\Admin\AppData\Local\fosqik.exe

    Filesize

    428KB

    MD5

    6559c1adcf9f8b8052242a9c4025c482

    SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

    SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

    SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • \Users\Admin\AppData\Local\fosqik.exe

    Filesize

    428KB

    MD5

    6559c1adcf9f8b8052242a9c4025c482

    SHA1

    51e757ea2e0c3c890a79b4fd6b78d62c005cd39d

    SHA256

    b084702c30faf5adc1475dc62fb054b579d319f711580c5332d586c381157ab3

    SHA512

    60eefedb59d0427ce86a6b52989cd6a4530a0cb7eaf58789149024644375f9dfa121da361da8becfee1d92d7bf2f48a503345b5a92ad530622304f110e635780

  • memory/572-67-0x0000000001000000-0x00000000010CF000-memory.dmp

    Filesize

    828KB

  • memory/572-68-0x0000000001000000-0x00000000010CF000-memory.dmp

    Filesize

    828KB

  • memory/1044-57-0x0000000001000000-0x00000000010CF000-memory.dmp

    Filesize

    828KB

  • memory/1044-54-0x0000000075C61000-0x0000000075C63000-memory.dmp

    Filesize

    8KB

  • memory/1044-55-0x0000000001000000-0x00000000010CF000-memory.dmp

    Filesize

    828KB