Analysis

  • max time kernel
    92s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-02-2025 15:31

General

  • Target

    4a3d269c464e1888f2b5cd3cbc945968f3cbe8bbf9cc1fef072de580c4a1d635.exe

  • Size

    863KB

  • MD5

    6f8d8b53ede7a4caf67d96a092b78639

  • SHA1

    8d3137f7ca1799890809a95826c145bb5c661ff4

  • SHA256

    4a3d269c464e1888f2b5cd3cbc945968f3cbe8bbf9cc1fef072de580c4a1d635

  • SHA512

    6e7fac01b7345e9c1848efcdc85cb85d13591424b8a331ae25668119bade93e1d2947fe0643e452da2fdeeb78c22a2a1c0a53e4867855b95f21dea0ecb2619be

  • SSDEEP

    6144:aLghm3ma0IcIIY9Y3urjY0MxecINPBPSsHo0wlTyXc4t+/qemoNNozPU:akh0marcc9RANINPB9oeMhqM

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_READ_THIS_FILE_19RN_.txt

Ransom Note
CERBER RANS0MWARE --- YOUR DOCUMENTS, PHOTOS, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! --- The only way to decrypt your files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_READ_THIS_FILE_*) with complete instructions how to decrypt your files. If you cannot find any (*_READ_THIS_FILE_*) file at your PC, 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://p27dokhpz2n7nvgr.onion/32F0-7D8B-E108-0006-48F8 Note! This page is available via "Tor Browser" only. --- Also you can use temporary addresses on your personal page without using "Tor Browser". --- 1. http://p27dokhpz2n7nvgr.tor2web.org/32F0-7D8B-E108-0006-48F8 2. http://p27dokhpz2n7nvgr.onion.link/32F0-7D8B-E108-0006-48F8 3. http://p27dokhpz2n7nvgr.onion.nu/32F0-7D8B-E108-0006-48F8 4. http://p27dokhpz2n7nvgr.onion.cab/32F0-7D8B-E108-0006-48F8 5. http://p27dokhpz2n7nvgr.onion.to/32F0-7D8B-E108-0006-48F8 --- Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://p27dokhpz2n7nvgr.onion/32F0-7D8B-E108-0006-48F8

http://p27dokhpz2n7nvgr.tor2web.org/32F0-7D8B-E108-0006-48F8

http://p27dokhpz2n7nvgr.onion.link/32F0-7D8B-E108-0006-48F8

http://p27dokhpz2n7nvgr.onion.nu/32F0-7D8B-E108-0006-48F8

http://p27dokhpz2n7nvgr.onion.cab/32F0-7D8B-E108-0006-48F8

http://p27dokhpz2n7nvgr.onion.to/32F0-7D8B-E108-0006-48F8

Signatures

  • Cerber

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

  • Cerber family
  • Blocklisted process makes network request 5 IoCs
  • Contacts a large (1098) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Drops file in System32 directory 38 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a3d269c464e1888f2b5cd3cbc945968f3cbe8bbf9cc1fef072de580c4a1d635.exe
    "C:\Users\Admin\AppData\Local\Temp\4a3d269c464e1888f2b5cd3cbc945968f3cbe8bbf9cc1fef072de580c4a1d635.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:1748
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2816
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THIS_FILE_036LCJD_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2220
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THIS_FILE_19RN_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "4a3d269c464e1888f2b5cd3cbc945968f3cbe8bbf9cc1fef072de580c4a1d635.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2192
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2476
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1688
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA4D9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA53A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\Desktop\_READ_THIS_FILE_036LCJD_.hta

    Filesize

    74KB

    MD5

    282081dca9a9d53a33d522aeee2312fb

    SHA1

    1233b6aa5f4e7c961d906fb195358ed7815a4c99

    SHA256

    e80756017d24206de22b94a54fa2bbc23fbfd1880391cb8682eefe21812640b9

    SHA512

    77bdfc64de1f2f9c4cea5d9dcfd94895abff8137fea930f482c520e753e5cfbfb2b74b3ea53259cd4e9634d42ff7784ac08a677a2eeca9615bdbcf8e7dd1ac48

  • C:\Users\Admin\Desktop\_READ_THIS_FILE_19RN_.txt

    Filesize

    1KB

    MD5

    0137f6ece2b6ba8f2d3ed46a8c7b15da

    SHA1

    4069d521abb219865dd5a1d28f1cf98df578838c

    SHA256

    0aef0664382b0a8b27ae522964cf070099f99bce27c5001f2a1edd2603f70d1a

    SHA512

    86848a4038871236319ce8242821db82a0a112ece9f08c7ec65a967e296f934f06708a595561994df540dc3c1366ed6d3c7b095716fdf61dc9e5c96ea238ea33

  • C:\Users\Admin\Desktop\_READ_THIS_FILE_9WJXV3A9_.jpeg

    Filesize

    151KB

    MD5

    cd403a9bef802aecae38abd307e147ca

    SHA1

    8921d929dfe009f7b6109fda14cc09d49123a42c

    SHA256

    e9c9fa969f91b172ac5586b43f876b905dec97f547dfafd78cae766b12f9a981

    SHA512

    af8522e5504dd0604dfb0efc547c57e3cf9491b177586bb596a35557af7f8e3091bbec2f046ef450f518a449490e0975b55b5c257434806393afb034aee2f04a

  • memory/1688-97-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

  • memory/2876-8-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-71-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-76-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-74-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-10-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-96-0x0000000004510000-0x0000000004512000-memory.dmp

    Filesize

    8KB

  • memory/2876-0-0x0000000000220000-0x0000000000257000-memory.dmp

    Filesize

    220KB

  • memory/2876-5-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-2-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-1-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2876-294-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB