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Analysis

  • max time kernel
    45s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 23:03

General

  • Target

    cerber.exe

  • Size

    604KB

  • MD5

    8b6bc16fd137c09a08b02bbe1bb7d670

  • SHA1

    c69a0f6c6f809c01db92ca658fcf1b643391a2b7

  • SHA256

    e67834d1e8b38ec5864cfa101b140aeaba8f1900a6e269e6a94c90fcbfe56678

  • SHA512

    b53d2cc0fe5fa52262ace9f6e6ea3f5ce84935009822a3394bfe49c4d15dfeaa96bfe10ce77ffa93dbf81e5428122aa739a94bc709f203bc346597004fd75a24

  • SSDEEP

    6144:yYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsR:yYKlYmDXEpDHRXP01

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___OCHF3JSV_.txt

Family

cerber

Ransom Note
CERBER RANSOMWARE ----- YOUR DOCUMENTS, PH0TOS, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only way to decrypt y0ur 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/D370-B738-F826-0446-936E 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.12hygy.top/D370-B738-F826-0446-936E 2. http://p27dokhpz2n7nvgr.14ewqv.top/D370-B738-F826-0446-936E 3. http://p27dokhpz2n7nvgr.14vvrc.top/D370-B738-F826-0446-936E 4. http://p27dokhpz2n7nvgr.129p1t.top/D370-B738-F826-0446-936E 5. http://p27dokhpz2n7nvgr.1apgrn.top/D370-B738-F826-0446-936E ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/D370-B738-F826-0446-936E

http://p27dokhpz2n7nvgr.12hygy.top/D370-B738-F826-0446-936E

http://p27dokhpz2n7nvgr.14ewqv.top/D370-B738-F826-0446-936E

http://p27dokhpz2n7nvgr.14vvrc.top/D370-B738-F826-0446-936E

http://p27dokhpz2n7nvgr.129p1t.top/D370-B738-F826-0446-936E

http://p27dokhpz2n7nvgr.1apgrn.top/D370-B738-F826-0446-936E

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 8 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cerber.exe
    "C:\Users\Admin\AppData\Local\Temp\cerber.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:2780
    • 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:2696
    • 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:2788
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___KC9NG_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2320
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___OCHF3JSV_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2392
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "cerber.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1216
      • 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:1604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

  • C:\Users\Admin\AppData\Local\Temp\Tar94C8.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___KC9NG_.hta

    Filesize

    75KB

    MD5

    b5521e89ef2b08d6bfdf9f0babe346d3

    SHA1

    331ef4de038cb06ec4de1edc8b9ddd323eae7617

    SHA256

    95f0ec6f3159a6142b356d5e3d7fb83518f1a5ba99209643ee5dbd91f3fc432f

    SHA512

    daf2677fae36dc76d08949cff37b2b56a8932968cfa571b96d0d488cb27900be22797013edcc0c1cdb4ee1a9baa2051a5cd76fde0bd71d2f29d0e9ca28e6d1b0

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___OCHF3JSV_.txt

    Filesize

    1KB

    MD5

    ddf5636a3f9ee8e7415a75d38bfc18d2

    SHA1

    a33d443ed3daf4ad340136471dcdc61c18bf2458

    SHA256

    0c6128b5a6359d769e89254449eaede310f90a47bf350a88fe385f51f05e0644

    SHA512

    b877136a866a6c7fe2dbe7c8db0e60236b60a34ffe567ef391092814e8dd9b288d07d00090ab4737dc482f31728e624168a1e6daf3f77664e123bd46dd791ea0

  • memory/2780-1-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2780-0-0x0000000000220000-0x0000000000251000-memory.dmp

    Filesize

    196KB

  • memory/2780-2-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2780-5-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2780-90-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2780-101-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB