Analysis

  • max time kernel
    120s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 23:31

General

  • Target

    f4b584390544b4e2056577c4b527dabe_JaffaCakes118.exe

  • Size

    274KB

  • MD5

    f4b584390544b4e2056577c4b527dabe

  • SHA1

    ed639eabb63ed59a2ae4d7d537195af374de1eaa

  • SHA256

    d0544bf7d26e9efe2844df033c1dba6c5f531f027c9772642e41643aedc6376a

  • SHA512

    af4c8f84363bca0c8a70b1d19fa95f39c45307ced89b446727e7fb2d411e635f32f0666759d38f71918acdca19c0d72165717202478bc7ae506743222b2efca7

  • SSDEEP

    6144:UL1B0OtJV0ys8+xt7KGtV68mFophbR8ga/2mp:UJmO+lDJV68miph12

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_READ_THI$_FILE_ZK91QJ_.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://p27dokhpz2n7nvgr.onion/40A2-AE6B-CE6F-0099-3B13 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.1nhkou.top/40A2-AE6B-CE6F-0099-3B13 2. http://p27dokhpz2n7nvgr.1a7wnt.top/40A2-AE6B-CE6F-0099-3B13 3. http://p27dokhpz2n7nvgr.1czh7o.top/40A2-AE6B-CE6F-0099-3B13 4. http://p27dokhpz2n7nvgr.1hpvzl.top/40A2-AE6B-CE6F-0099-3B13 5. http://p27dokhpz2n7nvgr.1pglcs.top/40A2-AE6B-CE6F-0099-3B13 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/40A2-AE6B-CE6F-0099-3B13

http://p27dokhpz2n7nvgr.1nhkou.top/40A2-AE6B-CE6F-0099-3B13

http://p27dokhpz2n7nvgr.1a7wnt.top/40A2-AE6B-CE6F-0099-3B13

http://p27dokhpz2n7nvgr.1czh7o.top/40A2-AE6B-CE6F-0099-3B13

http://p27dokhpz2n7nvgr.1hpvzl.top/40A2-AE6B-CE6F-0099-3B13

http://p27dokhpz2n7nvgr.1pglcs.top/40A2-AE6B-CE6F-0099-3B13

Signatures

  • Cerber

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

  • 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.

  • 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 9 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 WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4b584390544b4e2056577c4b527dabe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4b584390544b4e2056577c4b527dabe_JaffaCakes118.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:1620
    • 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:2064
    • 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:2536
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THI$_FILE_39804NY_.hta"
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:2888
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THI$_FILE_ZK91QJ_.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "f4b584390544b4e2056577c4b527dabe_JaffaCakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:956
      • 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:2180
  • 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
    PID:380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab11AF.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar11D1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_39804NY_.hta

    Filesize

    75KB

    MD5

    c98439bf2d53b2005ea51c21cdcb39b6

    SHA1

    e51025238ce68b5f74bfafec8f5f57bca7a54c45

    SHA256

    09e2608120aa40031d0df266f06cc072e88adb49eddd5ad6a51d5e5463f878fe

    SHA512

    ff588e0db8ece57b32d98624d5d40fb9ebe7b2959615469e8cb125639455e21d7728eb90c1481410884fc36b1460f1895ff746501f047765cd519dc346a3e803

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_H6ET_.jpeg

    Filesize

    150KB

    MD5

    60d9b53dfc2ced7c7f54ad9bcf12f3d3

    SHA1

    be2cad8cc475bdbe140eb087b2861e1faf3bf732

    SHA256

    0fb6d27d269b0e22b1eebd01eb473d9714b8a50536e4f3ebaf27b9522aa02fd8

    SHA512

    a77ddb5f453b4852a33fb84aad901e05ffdb6e9acd85786007b84a71ec833d86bcf414743f0e042637ef7b699c680dd21951c40055830b14fa7fe3f638650db8

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_ZK91QJ_.txt

    Filesize

    1KB

    MD5

    b8e3aae3a7d6c62e2b41c98b83d31301

    SHA1

    908da6495b3aa14be296595816250c7b127a4928

    SHA256

    2dae834c7fc7a20deb604c74b6a3b301de386c7e28c156238acdb8e992619790

    SHA512

    1bf77680d4ac20c4efbdbebc757b13c990b814900af300f8256e95b7c4c20eba8baf82b6c5297cd7530c8dfb3359c8a0a33a041d6d5fad40809c60f343b12ca5

  • memory/380-103-0x0000000000120000-0x0000000000122000-memory.dmp

    Filesize

    8KB

  • memory/1620-98-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1620-4-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/1620-102-0x0000000003A70000-0x0000000003A72000-memory.dmp

    Filesize

    8KB

  • memory/1620-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1620-2-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/1620-121-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/1620-3-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/1620-1-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB