Overview

overview

10

Static

static

3

f20519ad5b...b8.exe

windows7-x64

10

f20519ad5b...b8.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    16s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 09:51

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General

  • Target

    f20519ad5ba1ffa084da05bdebb97d951651714cf4e4710f7441683301918ab8.exe

  • Size

    446KB

  • MD5

    04509ce200349370e706c4e6898f67c2

  • SHA1

    297a51753258c912192caaa895f47660144124be

  • SHA256

    f20519ad5ba1ffa084da05bdebb97d951651714cf4e4710f7441683301918ab8

  • SHA512

    3b128329c7b7cdea6aef251a7517716f4159e3ced558a9be0c1a964b8bada89f7cbc48f171147ec443b8b174f1d8db8d6892e0cb430d7428e65d5b037ef873c2

  • SSDEEP

    6144:8R4GbVOUtKXVgcNX3RVR+64R8cog9kqn2KRmgWDVb/ii4mnj0De0z:GpVuSG9+VRTYgAx/Jj0z

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

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

Ransom Note
----- "CERBER RANSOMWARE" ----- 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://hjhqmbxyinislkkt.onion/EFAA-622A-BB26-0502-9DAD 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://hjhqmbxyinislkkt.1fzjn3.top/EFAA-622A-BB26-0502-9DAD 2. http://hjhqmbxyinislkkt.15e8hv.top/EFAA-622A-BB26-0502-9DAD 3. http://hjhqmbxyinislkkt.19xvyd.top/EFAA-622A-BB26-0502-9DAD 4. http://hjhqmbxyinislkkt.1mwvgh.top/EFAA-622A-BB26-0502-9DAD 5. http://hjhqmbxyinislkkt.1fygsg.top/EFAA-622A-BB26-0502-9DAD ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://hjhqmbxyinislkkt.onion/EFAA-622A-BB26-0502-9DAD

http://hjhqmbxyinislkkt.1fzjn3.top/EFAA-622A-BB26-0502-9DAD

http://hjhqmbxyinislkkt.15e8hv.top/EFAA-622A-BB26-0502-9DAD

http://hjhqmbxyinislkkt.19xvyd.top/EFAA-622A-BB26-0502-9DAD

http://hjhqmbxyinislkkt.1mwvgh.top/EFAA-622A-BB26-0502-9DAD

http://hjhqmbxyinislkkt.1fygsg.top/EFAA-622A-BB26-0502-9DAD

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 1 IoCs
  • Contacts a large (1090) 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
  • 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 8 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f20519ad5ba1ffa084da05bdebb97d951651714cf4e4710f7441683301918ab8.exe
    "C:\Users\Admin\AppData\Local\Temp\f20519ad5ba1ffa084da05bdebb97d951651714cf4e4710f7441683301918ab8.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • 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:1156
    • 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:2892
    • 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:1984
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THIS_FILE_V7QMOJ_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2088
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THIS_FILE_ASZYRV_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:580
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "f20519ad5ba1ffa084da05bdebb97d951651714cf4e4710f7441683301918ab8.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:692
      • 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:556

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

1
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

Replay Monitor

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Downloads

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

    1KB

    MD5

    0fbd59101d426608c52379d92178ae47

    SHA1

    39844aede5fded924dd0b60fbfcbdf6a9fcb533a

    SHA256

    7e44cf228fa20d5abb54a6ed7ff80011965182ec3d89934683d77d50c614fd4a

    SHA512

    e147af0eb11ea907a7424ef98780d162b2516bb6b9ab8d164e47012f8ec7f9b4026fb9276e3ab888a94eb5c7aeaa45dafbbc82e50d939b9557f5015ff0fe46da

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THIS_FILE_V7QMOJ_.hta
    Filesize

    75KB

    MD5

    61cc136bb72558da72eb498c01dc371b

    SHA1

    fc6ecd375b7ab9357d865b9c3a873ab13789cc1d

    SHA256

    ed063739bab3be53c6e2865e2e4ff88326830e4c4eae264871ea8c11a9a16e5b

    SHA512

    1036fb0b4738d02d041d6b206c91f3a205837c80e3deefe0d4ce407fa360c970b81f46db630e6de28c1b490a1fdc12419ea90b5243b36aba8b2527d85b20d63c

    Download Submit

  • memory/1156-0-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB

    Download

  • memory/1156-1-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/1156-2-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/1156-5-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/1156-127-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/1156-137-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download

  • memory/1156-145-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

    Download