Overview

overview

10

Static

static

3

cerber.exe

windows7-x64

10

cerber.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 21:34

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General

  • Target

    cerber.exe

  • Size

    621KB

  • MD5

    0a4fdcaa0f4966b387fbfb9b8248fd7d

  • SHA1

    56239da8077f97b837222d855273095779b638cd

  • SHA256

    8139a1abf1b69e34499158be4dd7e73335c67b275b531061d8f3ce1acb8b13ea

  • SHA512

    aa57096f7b060ff3afdc9347e8a4242e4daa837f96ac18788c8cc0751f7582fb2815b3a3b40af3ee0a8904a300148e848e531e069d367544ddba19ef40173941

  • SSDEEP

    6144:HYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsRZ:HYKlYmDXEpDHRXP01

Score
10/10
cerberaspackv2discoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___BDG0_.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/972C-EFCE-8140-0446-98DC 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/972C-EFCE-8140-0446-98DC 2. http://p27dokhpz2n7nvgr.14ewqv.top/972C-EFCE-8140-0446-98DC 3. http://p27dokhpz2n7nvgr.14vvrc.top/972C-EFCE-8140-0446-98DC 4. http://p27dokhpz2n7nvgr.129p1t.top/972C-EFCE-8140-0446-98DC 5. http://p27dokhpz2n7nvgr.1apgrn.top/972C-EFCE-8140-0446-98DC ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/972C-EFCE-8140-0446-98DC

http://p27dokhpz2n7nvgr.12hygy.top/972C-EFCE-8140-0446-98DC

http://p27dokhpz2n7nvgr.14ewqv.top/972C-EFCE-8140-0446-98DC

http://p27dokhpz2n7nvgr.14vvrc.top/972C-EFCE-8140-0446-98DC

http://p27dokhpz2n7nvgr.129p1t.top/972C-EFCE-8140-0446-98DC

http://p27dokhpz2n7nvgr.1apgrn.top/972C-EFCE-8140-0446-98DC

Signatures

  • Cerber

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

    ransomwarecerber
  • Blocklisted process makes network request 5 IoCs
  • Contacts a large (1097) 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
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 38 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 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 10 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 1 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cerber.exe
    "C:\Users\Admin\AppData\Local\Temp\cerber.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • 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:2284
    • C:\Users\Admin\AppData\Local\Temp\ianRNo.exe
      C:\Users\Admin\AppData\Local\Temp\ianRNo.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\59dd06ef.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2976
    • 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:2024
    • 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:2764
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___78DQY_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2084
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___BDG0_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:948
      • 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:2072
      • 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:1660

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\Local\Temp\0CA72AEA.exe
    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\59dd06ef.bat
    Filesize

    187B

    MD5

    af665708efa85fa31886ffee093a25cc

    SHA1

    02d37636e23f5460eb26d53085b5d16dc81d42e0

    SHA256

    c99b8cb6aba50edac3cbf0aa3a38d0db6018f46d775795e07ee75ae2c8bee045

    SHA512

    b3b6d2cc8a6cc222fd0662b547ec49d9475221c3547ac62ec61a6d01ae8be6ca54692b4d30d9b8c232702372c7deb4b6a9bfda211d79c2a9b726f88a9292091d

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Cab6C3D.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar6C5F.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\ianRNo.exe
    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___78DQY_.hta
    Filesize

    75KB

    MD5

    8724351c9f0e7190fa41242bb737b4f3

    SHA1

    fe1af7881c2920e3c728f058a469fde2522ef750

    SHA256

    26f5bc1331b0b9dc2a25d25179bca1d43f986c336cb66e4436a819ea60b2f593

    SHA512

    63d736dfd4dc75a2c251e5ec4331febc61ac4131b0f7f136647217bf4581b6a02347f6b8970333bdf49b4b5914f3fdfdfee18932f2e6cfad88a6afad4f639afc

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___BDG0_.txt
    Filesize

    1KB

    MD5

    efe64ffb67e5dc980bf55212d863cc63

    SHA1

    bbe14426fde996db0f4421e387d55d917efef43e

    SHA256

    a26211bacffba69d55df2d6aa0c4a03c3838ee7a8a3cc5bf1225d32c81b22eb5

    SHA512

    44a0f4ea0ac954a123b283292cadbec2a43f887357770ad51cbc99d2c25c602c3239f07cb8c3435f3a1cfa32e9934dc76b35fb06f5678c7b8c859f20150770ae

    Download Submit

  • memory/2284-15-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-117-0x0000000003B60000-0x0000000003B70000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2284-14-0x0000000000220000-0x0000000000251000-memory.dmp

    Filesize

    196KB

    Download

  • memory/2284-10-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2284-60-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-64-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-90-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-23-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-1-0x0000000000400000-0x000000000049F000-memory.dmp

    Filesize

    636KB

    Download

  • memory/2284-9-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2284-136-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

    Download

  • memory/2284-138-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2660-11-0x0000000000900000-0x0000000000909000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2660-56-0x0000000000900000-0x0000000000909000-memory.dmp

    Filesize

    36KB

    Download