Overview

overview

10

Static

static

3

2025-03-25...er.exe

windows7-x64

10

2025-03-25...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 08:02

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General

  • Target

    2025-03-25_c148dc43bc2ccd6d2ff2dce23bf51b14_cerber.exe

  • Size

    191KB

  • MD5

    c148dc43bc2ccd6d2ff2dce23bf51b14

  • SHA1

    42f33ac515a422b25a38f3bd81d5b673f83549ca

  • SHA256

    40abba5de032810cc879ecd7bd604405e5a20344c293279cffb9a45b5e2b8bb2

  • SHA512

    cb64fe2390a19bed4e18b4248751feff99418d7677f4f43577c15a6f2064c604e1ab7cdc97a52389b88587c492f6fa8c4231d314b4c1690af1c6b3a9352e6348

  • SSDEEP

    3072:+DxABswxafBRTT7VhGaQAK9EyhSRnCdHnXad3e43k1jtY04UklcEGVWIRdlsLQ:+uBswxoB1XaaQAKthcnWXadVkj3IlcVK

Score
10/10
cerberdefense_evasiondiscoverypersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___84DT7O5_.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/0A1B-25A1-B7FD-0006-4997 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.tor2web.org/0A1B-25A1-B7FD-0006-4997 2. http://p27dokhpz2n7nvgr.onion.link/0A1B-25A1-B7FD-0006-4997 3. http://p27dokhpz2n7nvgr.onion.nu/0A1B-25A1-B7FD-0006-4997 4. http://p27dokhpz2n7nvgr.onion.cab/0A1B-25A1-B7FD-0006-4997 5. http://p27dokhpz2n7nvgr.onion.to/0A1B-25A1-B7FD-0006-4997 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/0A1B-25A1-B7FD-0006-4997

http://p27dokhpz2n7nvgr.tor2web.org/0A1B-25A1-B7FD-0006-4997

http://p27dokhpz2n7nvgr.onion.link/0A1B-25A1-B7FD-0006-4997

http://p27dokhpz2n7nvgr.onion.nu/0A1B-25A1-B7FD-0006-4997

http://p27dokhpz2n7nvgr.onion.cab/0A1B-25A1-B7FD-0006-4997

http://p27dokhpz2n7nvgr.onion.to/0A1B-25A1-B7FD-0006-4997

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 (1096) 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
    defense_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 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
    defense_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 WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-25_c148dc43bc2ccd6d2ff2dce23bf51b14_cerber.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-25_c148dc43bc2ccd6d2ff2dce23bf51b14_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 WriteProcessMemory
    PID:2424
    • 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:2616
    • 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:2216
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___TTZFUL_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:1864
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___84DT7O5_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "2025-03-25_c148dc43bc2ccd6d2ff2dce23bf51b14_cerber.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2328
      • 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:1012

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\94308059B57B3142E455B38A6EB92015
    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

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  • C:\Users\Admin\AppData\Local\Temp\TarA4.tmp
    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___84DT7O5_.txt
    Filesize

    1KB

    MD5

    2024d2fc2761ef8efd558761a65b39fb

    SHA1

    4f21475fb9bfd37c20e2369f310570db25758f77

    SHA256

    67207966341e014dbd40f3d5710d1b53955938e5e27754f06504d115bf32b0da

    SHA512

    d4867aa000ba4e57f1a160e6f2ad997e7873b1aa9524957eaf2bdeac2ab653ab308d3e363b67ad8698eda084d705c59d21c72a6f16fa0bb576f28c24c493e360

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

    75KB

    MD5

    14f27e7a8f921483c0edbd8b209ad27d

    SHA1

    c3edcd37b732bef1393e5eee3d014afe159add3f

    SHA256

    cc4c3f1f2de10aac11db5fc6174b9a5de7df4788cea17209179fec2cffa87367

    SHA512

    720c4fb047e01b9697acde5095dc83dc2108543183a0e69f1f90b91d6e6d8db40e09a87b38617e9283b205c67f3c18d21a873e4787c53589d5052edf36ff191d

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