Overview

overview

10

Static

static

5

ffc90631b1...43.exe

windows7-x64

10

ffc90631b1...43.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 13:20

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General

  • Target

    ffc90631b171de3daa0372d614f55d6ae660e234c91ce3251392d08f29275743.exe

  • Size

    613KB

  • MD5

    06a55e03a5aa3f6be6b2e636be7a560d

  • SHA1

    21e10c0bcd04234cb5eb4d16573fe4fb119577a9

  • SHA256

    ffc90631b171de3daa0372d614f55d6ae660e234c91ce3251392d08f29275743

  • SHA512

    f64f0929055620e22b3e6f98a8d6dcb36495f206f152844c2216ab0bf36f177f0b9cd08a986116bde13fcdb5c501f28f758aec6e67b7a70e44a10982d1b81b3e

  • SSDEEP

    12288:vaWz2Mg7v3qnCi8ErQohh0F4CCJ8lnyLQXG:yadMv6CYrjqnyLQXG

Score
10/10
persistence

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 12 IoCs
    persistence
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 45 IoCs
    adwarespyware
  • Modifies registry class 51 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffc90631b171de3daa0372d614f55d6ae660e234c91ce3251392d08f29275743.exe
    "C:\Users\Admin\AppData\Local\Temp\ffc90631b171de3daa0372d614f55d6ae660e234c91ce3251392d08f29275743.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\monitor.jse"
      2⤵
      • Modifies system executable filetype association
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://www.go2000.com/?g9
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4244
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 4 127.1>nul &del /q "C:\Users\Admin\AppData\Local\Temp\ffc90631b171de3daa0372d614f55d6ae660e234c91ce3251392d08f29275743.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5040
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 4 127.1
        3⤵
        • Runs ping.exe
        PID:4776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\monitor.jse
    Filesize

    6KB

    MD5

    3703f6292de8ab9a849f5e768bba10f2

    SHA1

    9f0742fcaeb032b6c35fd202d63447a8f96be04b

    SHA256

    c7c6145c52992be1f14cbb58844044de5f1c82b327c99bfd159e502f942ae658

    SHA512

    4121a24c22cbdecfc033c8d6c6d8b8a8dbd9dbe47fa218ed193ce975165cfbb584091deed24fc67df45857930a5559c3bb79549ad16898f38dd0b52a5a031219

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  • C:\Users\Public\Desktop\Internet Explorer.lnk
    Filesize

    1KB

    MD5

    7a0c221589e4b2574ebce8abdbcfea29

    SHA1

    304f5dfba69d0dcaa2d2ef415328d23c80a2273a

    SHA256

    41f401ad2cba8ce5f5afac01fa63031b3db0895db36752faf59aa2050fbc815b

    SHA512

    557d8488deb094ef1c17e2d7636e4c22b237a510895dd22fb1ddedff6d22089866031538c114c9db24f6d5a015157794977d521df2576055fe2d15b0f448763f

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