Overview

overview

10

Static

static

3

cerber.exe

windows7-x64

10

cerber.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    358s
  • max time network
    359s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 01:06

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General

  • Target

    cerber.exe

  • Size

    604KB

  • MD5

    8b6bc16fd137c09a08b02bbe1bb7d670

  • SHA1

    c69a0f6c6f809c01db92ca658fcf1b643391a2b7

  • SHA256

    e67834d1e8b38ec5864cfa101b140aeaba8f1900a6e269e6a94c90fcbfe56678

  • SHA512

    b53d2cc0fe5fa52262ace9f6e6ea3f5ce84935009822a3394bfe49c4d15dfeaa96bfe10ce77ffa93dbf81e5428122aa739a94bc709f203bc346597004fd75a24

  • SSDEEP

    6144:yYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsR:yYKlYmDXEpDHRXP01

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MKW1N_.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/2337-21FB-7019-0446-9C46 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/2337-21FB-7019-0446-9C46 2. http://p27dokhpz2n7nvgr.14ewqv.top/2337-21FB-7019-0446-9C46 3. http://p27dokhpz2n7nvgr.14vvrc.top/2337-21FB-7019-0446-9C46 4. http://p27dokhpz2n7nvgr.129p1t.top/2337-21FB-7019-0446-9C46 5. http://p27dokhpz2n7nvgr.1apgrn.top/2337-21FB-7019-0446-9C46 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/2337-21FB-7019-0446-9C46

http://p27dokhpz2n7nvgr.12hygy.top/2337-21FB-7019-0446-9C46

http://p27dokhpz2n7nvgr.14ewqv.top/2337-21FB-7019-0446-9C46

http://p27dokhpz2n7nvgr.14vvrc.top/2337-21FB-7019-0446-9C46

http://p27dokhpz2n7nvgr.129p1t.top/2337-21FB-7019-0446-9C46

http://p27dokhpz2n7nvgr.1apgrn.top/2337-21FB-7019-0446-9C46

Signatures

  • Cerber

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

    ransomwarecerber
  • Cerber family
    cerber
  • Blocklisted process makes network request 5 IoCs
  • Contacts a large (1099) amount of remote hosts 1 TTPs

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

    discovery
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • 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
    ransomware
  • 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.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

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

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 35 IoCs
    adwarespyware
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 40 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:2436
    • 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:2204
    • 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:2980
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___JMQLT8T_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://p27dokhpz2n7nvgr.12hygy.top/2337-21FB-7019-0446-9C46
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1284 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1064
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1284 CREDAT:472086 /prefetch:2
          4⤵
            PID:2524
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MKW1N_.txt
        2⤵
        • System Location Discovery: System Language Discovery
        • Opens file in notepad (likely ransom note)
        PID:2428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1656
        • 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:1460
        • 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:920

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Event Triggered Execution

    1
    T1546

    Netsh Helper DLL

    1
    T1546.007

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Event Triggered Execution

    1
    T1546

    Netsh Helper DLL

    1
    T1546.007

    Defense Evasion

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Modify Registry

    2
    T1112

    Credential Access

    Discovery

    Network Service Discovery

    1
    T1046

    Remote System Discovery

    1
    T1018

    System Information Discovery

    1
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    System Network Configuration Discovery

    1
    T1016

    Internet Connection Discovery

    1
    T1016.001

    Lateral Movement

    Collection

    Command and Control

    Exfiltration

    Impact

    Defacement

    1
    T1491

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC
      Filesize

      914B

      MD5

      e4a68ac854ac5242460afd72481b2a44

      SHA1

      df3c24f9bfd666761b268073fe06d1cc8d4f82a4

      SHA256

      cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

      SHA512

      5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

      Download Submit

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

      Download Submit

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC
      Filesize

      252B

      MD5

      18cbdb2035ffd60fa3755b9cbd5d7798

      SHA1

      111b9efface4b58cb3ec7a6bde5942a08af3bc3e

      SHA256

      64650739e67ad3dc93937f8fbea73166a177d35cd4a4e67f77085f4e038b5e2e

      SHA512

      208db3f2d259e11163392a06b28c29aed450f9c327d7c5e2e943c4756c05531fbc7154c9c92fd88a0f33adaa3d2802b4075f4327744394418df45713b1dd0e02

      Download Submit

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

      342B

      MD5

      5f823f39a03d906cbdd8f14153f6c30f

      SHA1

      242bca289d56f72d08ec6aedc8498b1b93f27547

      SHA256

      8f86029125953bce7937eca72872ca8b03b477c8715830857f4a63ebf5339e51

      SHA512

      14d68295fcd3b239a450e8f96775ddbf691d43e80c8efb6093136bf623a2d6dfa552d5d5dc61a42df9e2d9953db5f9aa27a9896ad618a76be57b648d52e794ec

      Download Submit

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
      Filesize

      242B

      MD5

      901a067bc9dc35f591b735a3ea261bbb

      SHA1

      e2c9e129f219e2284c144a78918d8f94d6aa8066

      SHA256

      47ae91ed61a097828b765a6570fa46a059b75739502beb7e2dac74828a557893

      SHA512

      e43b5066129645fe64e4e56b7392826e7374e01b6c651d779a1824d81db55f5bf279e2984c58cc255810a6761e37a6db1d4157821ff7fa47f13b42ffed1e49c3

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\Cab194D.tmp
      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\Tar196F.tmp
      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      Download Submit

    • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___JMQLT8T_.hta
      Filesize

      75KB

      MD5

      acc5466fa70b5a7c9e1efcf700d3099a

      SHA1

      acb27ac0370a9e06dff35276429b90f9e617f264

      SHA256

      4fa60aa0669aa6b9acf38eab4a34fa5de7e8606231e1e438453e372fa48b8b91

      SHA512

      0d20ba1c6035c5226fcff8d38314cac15cf5912a1ee99313fb2d2c17a630197f12aa8c873f3acca7070b73f0e0ace4299aaa333639b46da78627cbaa8d825b4a

      Download Submit

    • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___MKW1N_.txt
      Filesize

      1KB

      MD5

      1ca077fe8f8fcf5dea0914bfc233da9e

      SHA1

      8596a2293bb5b218fe55047f0b89547a05fa3364

      SHA256

      2051f122c668e3bd74743f08824748db83abc09d21822ed8ef6636ce60d3130f

      SHA512

      2e387f9550d2c2d7a343483327f92f6e7d3fa07b30a3acf2d0e3aefd78135d0d603696119e440fe31b4bc2f518aa3c8778964649809692f32e8017b1113d5355

      Download Submit

    • memory/2436-1-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

      Download

    • memory/2436-115-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

      Download

    • memory/2436-99-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

      Download

    • memory/2436-5-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

      Download

    • memory/2436-2-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

      Download

    • memory/2436-0-0x0000000000220000-0x0000000000251000-memory.dmp

      Filesize

      196KB

      Download