Overview

overview

10

Static

static

3

cerber.exe

windows7-x64

10

cerber.exe

windows10-2004-x64

10

cryptowall.exe

windows7-x64

9

cryptowall.exe

windows10-2004-x64

3

jigsaw.exe

windows7-x64

10

jigsaw.exe

windows10-2004-x64

10

Locky.exe

windows7-x64

10

Locky.exe

windows10-2004-x64

10

131.exe

windows7-x64

1

131.exe

windows10-2004-x64

3

Matsnu-MBR...3 .exe

windows7-x64

7

Matsnu-MBR...3 .exe

windows10-2004-x64

3

027cc450ef...d9.dll

windows7-x64

10

027cc450ef...d9.dll

windows10-2004-x64

10

027cc450ef...ju.dll

windows7-x64

10

027cc450ef...ju.dll

windows10-2004-x64

10

myguy.hta

windows7-x64

10

myguy.hta

windows10-2004-x64

10

svchost.exe

windows7-x64

7

svchost.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 15:24

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General

  • Target
    cerber.exe
  • Size 604KB
  • Sample241126-ss613stjek
  • SHA256 e67834d1e8b38ec5864cfa101b140aeaba8f1900a6e269e6a94c90fcbfe56678
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

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

  • 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/7A06-6BFE-6C33-0446-9E59 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/7A06-6BFE-6C33-0446-9E59 2. http://p27dokhpz2n7nvgr.14ewqv.top/7A06-6BFE-6C33-0446-9E59 3. http://p27dokhpz2n7nvgr.14vvrc.top/7A06-6BFE-6C33-0446-9E59 4. http://p27dokhpz2n7nvgr.129p1t.top/7A06-6BFE-6C33-0446-9E59 5. http://p27dokhpz2n7nvgr.1apgrn.top/7A06-6BFE-6C33-0446-9E59 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

  • http://p27dokhpz2n7nvgr.onion/7A06-6BFE-6C33-0446-9E59

  • http://p27dokhpz2n7nvgr.12hygy.top/7A06-6BFE-6C33-0446-9E59

  • http://p27dokhpz2n7nvgr.14ewqv.top/7A06-6BFE-6C33-0446-9E59

  • http://p27dokhpz2n7nvgr.14vvrc.top/7A06-6BFE-6C33-0446-9E59

  • http://p27dokhpz2n7nvgr.129p1t.top/7A06-6BFE-6C33-0446-9E59

  • http://p27dokhpz2n7nvgr.1apgrn.top/7A06-6BFE-6C33-0446-9E59

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 (1098) 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 6 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:2856
    • 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:2828
    • 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:2996
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___75WVLOZ_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://p27dokhpz2n7nvgr.12hygy.top/7A06-6BFE-6C33-0446-9E59
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2632 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2392
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2632 CREDAT:1192967 /prefetch:2
          4⤵
            PID:2364
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___CXIFPVMR_.txt
        2⤵
        • System Location Discovery: System Language Discovery
        • Opens file in notepad (likely ransom note)
        PID:2800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:688
        • 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:1880
        • 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:2316

    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

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 d5758c7aae8df64a13488a8229075d7d0fb373469401f93eacf05413aa6e2c8d
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 1e603c27e4a5c1b0c7c5422570317a2bb0cc1ec49f09d635ff194a2858966fc1
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 4aca5cee9dc2ad3298f280ff7f818c30bf1628b0bdfb205f747e76673aa9cb39
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 e5e681ab6ac93f50ec8c0789888e37ea474c6dd9a6e475fa95d6649981f06618
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 fa010ca070681ad0318beb0cd7d218232df59bcfec0cdac8fa11311ab2da0817
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 cf9bb3e012d54e45858239c657482f7b394ab4c56c7122013b93d50e6620168e
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 900b2a3dac826b4a97760db6c859230d43fe849f744bec45ce877db436b3a50a
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 b2aa4efa1ea6eb71c894bdb118ee2f05b8f5823985167e5b42050cd3c6bc02de
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 2267a0227a1566f00af01a9dae8ded66f5059de3ec0917c8e6846222778e201d
          • MD5 SHA1 SHA512
          Submit Download

          94308059B57B3142E455B38A6EB92015
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 342B
          • SHA256 ff8737a457b2a0ba4040a71b0b15b345c2fbc5e92fb5402ac27a88e0dd3e40ae
          • MD5 SHA1 SHA512
          Submit Download

          Cab982C.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\Cab982C.tmp
          • Size 70KB
          • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Tar983F.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\Tar983F.tmp
          • Size 181KB
          • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ~DF5F72849F0C42E09F.TMP
          • Path C:\Users\Admin\AppData\Local\Temp\~DF5F72849F0C42E09F.TMP
          • Size 16KB
          • SHA256 1499fe469a0ab3edd3ad0f65060ca41e567ad12943f1957ce09af00b87cf8740
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _R_E_A_D___T_H_I_S___75WVLOZ_.hta
          • Path C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___75WVLOZ_.hta
          • Size 75KB
          • SHA256 76fef31abd1a3d2173e1015f02717890681238e9f955787c5ea93ae9022b4b42
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _R_E_A_D___T_H_I_S___CXIFPVMR_.txt
          • Path C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___CXIFPVMR_.txt
          • Size 1KB
          • SHA256 071195840ee87b148a23049d93570807b72932dbe0cecb49a1f0a510c3a30f95
          • MD5 SHA1 SHA512
          Submit Download

          memory/2856-0-0x0000000000220000-0x0000000000251000-memory.dmp
          Download

          memory/2856-89-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-72-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-48-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-9-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-5-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-2-0x0000000000400000-0x0000000000435000-memory.dmp
          Download

          memory/2856-1-0x0000000000400000-0x0000000000435000-memory.dmp
          Download