Overview

overview

10

Static

static

3

Act 3.exe

windows7-x64

10

Act 3.exe

windows10-2004-x64

10

Resubmissions

08/10/2024, 00:48

241008-a52ysazhjm 10

Analysis

  • max time kernel
    101s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2024, 00:48

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General

  • Target

    Act 3.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___QY47W5_.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/D9DC-5784-4CD9-0446-9BE1 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/D9DC-5784-4CD9-0446-9BE1 2. http://p27dokhpz2n7nvgr.14ewqv.top/D9DC-5784-4CD9-0446-9BE1 3. http://p27dokhpz2n7nvgr.14vvrc.top/D9DC-5784-4CD9-0446-9BE1 4. http://p27dokhpz2n7nvgr.129p1t.top/D9DC-5784-4CD9-0446-9BE1 5. http://p27dokhpz2n7nvgr.1apgrn.top/D9DC-5784-4CD9-0446-9BE1 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/D9DC-5784-4CD9-0446-9BE1

http://p27dokhpz2n7nvgr.12hygy.top/D9DC-5784-4CD9-0446-9BE1

http://p27dokhpz2n7nvgr.14ewqv.top/D9DC-5784-4CD9-0446-9BE1

http://p27dokhpz2n7nvgr.14vvrc.top/D9DC-5784-4CD9-0446-9BE1

http://p27dokhpz2n7nvgr.129p1t.top/D9DC-5784-4CD9-0446-9BE1

http://p27dokhpz2n7nvgr.1apgrn.top/D9DC-5784-4CD9-0446-9BE1

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 (1095) 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 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 SetWindowsHookEx 9 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Act 3.exe
    "C:\Users\Admin\AppData\Local\Temp\Act 3.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:396
    • 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:876
    • 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:1220
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___N3LAZ_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1484
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___QY47W5_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:1260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "Act 3.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1436
      • 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:2156

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\Cab4E41.tmp
          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\Tar4EC1.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___N3LAZ_.hta
          Filesize

          75KB

          MD5

          2904f3e0765d687db8250a263dafaca3

          SHA1

          0ccfd9c64ab6eb5862295b87d0b483b52f77cda1

          SHA256

          1b677d30e1a0bec7baa10fad56c1c7450efdde6197b0e862587774807b4e31f9

          SHA512

          68da381e5f6429416a07d2383ea4a1ed8e9dbc0920754f0772a485b82819d736873b9f2b05ce2c39e9eb87b8cc5d379b55c878d2d03403907a3edd7b21419552

          Download Submit

        • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___QY47W5_.txt
          Filesize

          1KB

          MD5

          4693aeae16cbfbf9799cbb86602681c6

          SHA1

          37fea9fc3e2d832f3b25a314262147747e801afb

          SHA256

          8c4c635491401a25de26254f5fe217ef9da427a00ad0676f2babc00060614910

          SHA512

          bfc70e1ceaae67e65c639738b9c6e973545c1a6b7096412675e5efe425fd1a45ede174169d2a03f431fa32c410fba5f53517b6cbd14ae322d7165c7ffeb0258d

          Download Submit

        • memory/396-0-0x00000000002A0000-0x00000000002D1000-memory.dmp

          Filesize

          196KB

          Download

        • memory/396-1-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download

        • memory/396-2-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download

        • memory/396-5-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download

        • memory/396-102-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download

        • memory/396-101-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download

        • memory/396-119-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

          Download