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Analysis

  • max time kernel
    52s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/01/2025, 04:38

General

  • Target

    3e066c8b166096cab6beceff9919a42bd98f46fa4d6efcb3b497067e792b2567N.exe

  • Size

    263KB

  • MD5

    5ae42d334a6a5e01298a28be83a18370

  • SHA1

    5dc8ac78b63366f98c9b6cabae585b96674aaacd

  • SHA256

    3e066c8b166096cab6beceff9919a42bd98f46fa4d6efcb3b497067e792b2567

  • SHA512

    f575eeef20e9a09de5224522604f00d72c1e79f4f70a8fb934a0b864be0d09321915a216135ad7e233c03687970b20a9f5086557be3413e63549ac696ff3a3fd

  • SSDEEP

    6144:z44qB4hPmyzQ8AEvobJv4c/DWHXUnzabFerCJBhuE21:U4+yylf/DW3UMBh32

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_READ_THI$_FILE_UKKTMPD_.txt

Ransom Note
CERBER RAN$OMWARE --- 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/D5DA-10F1-1BC1-05C4-0250 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.13kn4l.top/D5DA-10F1-1BC1-05C4-0250 2. http://hjhqmbxyinislkkt.14klmz.top/D5DA-10F1-1BC1-05C4-0250 3. http://hjhqmbxyinislkkt.13eymq.top/D5DA-10F1-1BC1-05C4-0250 4. http://hjhqmbxyinislkkt.1eeyaj.top/D5DA-10F1-1BC1-05C4-0250 5. http://hjhqmbxyinislkkt.1eagrj.top/D5DA-10F1-1BC1-05C4-0250 --- Note! These are temporary addresses! They will be available for a limited amount of time!
URLs

http://hjhqmbxyinislkkt.onion/D5DA-10F1-1BC1-05C4-0250

http://hjhqmbxyinislkkt.13kn4l.top/D5DA-10F1-1BC1-05C4-0250

http://hjhqmbxyinislkkt.14klmz.top/D5DA-10F1-1BC1-05C4-0250

http://hjhqmbxyinislkkt.13eymq.top/D5DA-10F1-1BC1-05C4-0250

http://hjhqmbxyinislkkt.1eeyaj.top/D5DA-10F1-1BC1-05C4-0250

http://hjhqmbxyinislkkt.1eagrj.top/D5DA-10F1-1BC1-05C4-0250

Signatures

  • Cerber

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

  • Cerber family
  • 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.

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • 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
  • 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.

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e066c8b166096cab6beceff9919a42bd98f46fa4d6efcb3b497067e792b2567N.exe
    "C:\Users\Admin\AppData\Local\Temp\3e066c8b166096cab6beceff9919a42bd98f46fa4d6efcb3b497067e792b2567N.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:3040
    • 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:2784
    • 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:2896
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THI$_FILE_P4WH74K_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:1800
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THI$_FILE_UKKTMPD_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "3e066c8b166096cab6beceff9919a42bd98f46fa4d6efcb3b497067e792b2567N.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
      • 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:2648
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:828
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_0M6FH9_.jpeg

    Filesize

    150KB

    MD5

    6623eb454fdd59e9ef7a8546c2bafb31

    SHA1

    3b6805da5d2bfdf242d35d1d595175884e261364

    SHA256

    51d82fc15fca56fd8227ee33a3172ae0593e527339df202a10429047caade8a1

    SHA512

    f9622c4c18713e50f2c9895885965df7d21be6f81f42ee5d400df9db4b44649e692ea9bcbfb549ee2af2b4a0ae356c54ad68b0a924ad1a5e99caecb104902209

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_P4WH74K_.hta

    Filesize

    75KB

    MD5

    967281dadca567ea9860fb25f52716bb

    SHA1

    9480e1e849dcbbdeebd754b420276a1ba685d26a

    SHA256

    2891d3ba208f7b909dffcbc479c8db3c9c6de3dcf6d2e63611221c7563097f23

    SHA512

    dae6c4cfdeba39932cc6af3fece87cd4ab199dae7eaed4c1c98a8f347359a92393f2a5195b89a750ac92059b93e0675a2343cfb918dd2ba2af457f0723991604

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_UKKTMPD_.txt

    Filesize

    1KB

    MD5

    3422adfaeb35a4e760e0801f51c4615b

    SHA1

    67887c735d789fe9654ac24054cd3de4dd295a42

    SHA256

    272219f4bf59e19b4946bbd2d33c4c4fb90f012eca349083e46c47dcb6f9e87e

    SHA512

    b60d84da87942ed4ea40fd0432b81ce8307a37ed76d56378b4c024266876fd39eb90de9508f4e75bcbc1162b907b1d0d8e3d9a9858535ca2a88594e9eafaaea6

  • memory/828-82-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

  • memory/3040-1-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/3040-4-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3040-3-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3040-2-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/3040-5-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3040-74-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/3040-81-0x0000000003420000-0x0000000003422000-memory.dmp

    Filesize

    8KB

  • memory/3040-105-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB