Overview

overview

10

Static

static

7

cdef94301b...18.exe

windows7-x64

10

cdef94301b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 01:13

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General

  • Target

    cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe

  • Size

    340KB

  • MD5

    cdef94301bd9049d387924f0318b6f1d

  • SHA1

    013b1669b76cd0dd4a1ac4863c0158b6e431f626

  • SHA256

    fe0504bc55b176b0e70a8ff2bd0f1fa7c23335143e4379e2e3348e0f35cb2e0a

  • SHA512

    b9eb76333a779c0d47e10e498131fa1a9fae4b11b950e14760b7528e5dce58a47f4261e44cd4af9299092c6e912171aca25f77220c7900f228d00f8300123ed6

  • SSDEEP

    6144:N30Rq/yK6pDv9X18shucxq8TKRpnKzuiSNv2Airkda34ekFiWUrvhwjVg0n2WmB8:R0RQZ6pDN18KTKRpnK2Irkdc4ekIWUrG

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomwareupx

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_READ_THI$_FILE_SAKFAX4_.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/FB60-DD9B-EC95-0091-B8CA 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.1ms2rx.top/FB60-DD9B-EC95-0091-B8CA 2. http://p27dokhpz2n7nvgr.1j2ien.top/FB60-DD9B-EC95-0091-B8CA 3. http://p27dokhpz2n7nvgr.1nhkou.top/FB60-DD9B-EC95-0091-B8CA 4. http://p27dokhpz2n7nvgr.1a7wnt.top/FB60-DD9B-EC95-0091-B8CA 5. http://p27dokhpz2n7nvgr.1czh7o.top/FB60-DD9B-EC95-0091-B8CA ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/FB60-DD9B-EC95-0091-B8CA

http://p27dokhpz2n7nvgr.1ms2rx.top/FB60-DD9B-EC95-0091-B8CA

http://p27dokhpz2n7nvgr.1j2ien.top/FB60-DD9B-EC95-0091-B8CA

http://p27dokhpz2n7nvgr.1nhkou.top/FB60-DD9B-EC95-0091-B8CA

http://p27dokhpz2n7nvgr.1a7wnt.top/FB60-DD9B-EC95-0091-B8CA

http://p27dokhpz2n7nvgr.1czh7o.top/FB60-DD9B-EC95-0091-B8CA

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 (1097) 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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in System32 directory 38 IoCs
  • Suspicious use of SetThreadContext 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.

    persistenceprivilege_escalation
  • 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.

    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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe
      2⤵
      • 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 WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\netsh.exe
        C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2744
      • C:\Windows\SysWOW64\netsh.exe
        C:\Windows\system32\netsh.exe advfirewall reset
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2964
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THI$_FILE_7WTGAC_.hta"
        3⤵
        • Blocklisted process makes network request
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1640
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THI$_FILE_SAKFAX4_.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im "cdef94301bd9049d387924f0318b6f1d_JaffaCakes118.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2196
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 1 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1616

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab44B0.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar44E2.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_7WTGAC_.hta
    Filesize

    75KB

    MD5

    453ef3b0e1d5a91d61a82d82c07ea73b

    SHA1

    70597e81a8c7bc3fe084bd514ec0db7e68708566

    SHA256

    69fc53da4ee7d6000fadb07c3e129987c49f43a4c40fd151a194a0e81ce407b7

    SHA512

    a6fd1c2d9828f7e78029ff00b3771972d66fbf71e14ebc57baa2c39adf19c7d5f18f4a94ca6074c14305493342bb681554859656dec62b9ec7161f3d6e8ac537

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_SAKFAX4_.txt
    Filesize

    1KB

    MD5

    34cf56f52750f6588281323dc42b5224

    SHA1

    645e92fca1b7228195fa3a789be3968c38832d94

    SHA256

    cf677d58e7b8bca23ab822f02b364a95d056fc10b8a151a86ed4e50d63ab5bfe

    SHA512

    03110f82164a74ad5dc4a3eef9fd1f4598e2640567c7a055e1bfe2ebb8e49996588ae8446755f236570d74913188e3165bdfce3cc954e291f9a8e36ef9374065

    Download Submit

  • memory/1604-1-0x0000000000BB0000-0x0000000000BFC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/1604-2-0x0000000000BB0000-0x0000000000BFC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/1604-0-0x0000000000BB0000-0x0000000000BFC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/1604-5-0x0000000000BB0000-0x0000000000BFC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/2692-8-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-103-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-108-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-116-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-9-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-7-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2692-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download