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Overview

overview

10

Static

static

7

cdc6b83900...18.exe

windows7-x64

10

cdc6b83900...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    77s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31/08/2024, 23:10

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General

  • Target

    cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe

  • Size

    360KB

  • MD5

    cdc6b8390037fea52d1d56c41d1f088c

  • SHA1

    cf0aa31b75f4f174ad07455555a46d12df369b1a

  • SHA256

    b68c8708e5cef34726f5114207ae90eb09176d723050725a2541834342b90742

  • SHA512

    a53b4c80c1a164930ef9fe075e10944a0f89d109092fe6e5d434587d7e1bd88f954122082ee833b8b4b668796dc23afe3a4e0597c5ec5e071197805ecf21fdce

  • SSDEEP

    6144:wB0z1N1FIUm/ZLbDMBvAJIUR8HOy7WqKuIm8yigE1/crn1EcvfSF7i4GpSh:wBg1GZLbDMSJIU4f80il1/I1l69h

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomwareupx

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_READ_THI$_FILE_762JK_.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/CEF0-96C6-BC48-0446-913A 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/CEF0-96C6-BC48-0446-913A 2. http://p27dokhpz2n7nvgr.1a7wnt.top/CEF0-96C6-BC48-0446-913A 3. http://p27dokhpz2n7nvgr.1czh7o.top/CEF0-96C6-BC48-0446-913A 4. http://p27dokhpz2n7nvgr.1hpvzl.top/CEF0-96C6-BC48-0446-913A 5. http://p27dokhpz2n7nvgr.1pglcs.top/CEF0-96C6-BC48-0446-913A ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://p27dokhpz2n7nvgr.onion/CEF0-96C6-BC48-0446-913A

http://p27dokhpz2n7nvgr.1nhkou.top/CEF0-96C6-BC48-0446-913A

http://p27dokhpz2n7nvgr.1a7wnt.top/CEF0-96C6-BC48-0446-913A

http://p27dokhpz2n7nvgr.1czh7o.top/CEF0-96C6-BC48-0446-913A

http://p27dokhpz2n7nvgr.1hpvzl.top/CEF0-96C6-BC48-0446-913A

http://p27dokhpz2n7nvgr.1pglcs.top/CEF0-96C6-BC48-0446-913A

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
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • 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 10 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe
      2⤵
      • 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:2256
      • 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:2944
      • 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:2800
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_READ_THI$_FILE_DYN1_.hta"
        3⤵
        • Blocklisted process makes network request
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1508
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_READ_THI$_FILE_762JK_.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2564
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im "cdc6b8390037fea52d1d56c41d1f088c_JaffaCakes118.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2288
        • 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:2220
  • 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:1928

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\Cab4EED.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar4F1F.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_762JK_.txt
    Filesize

    1KB

    MD5

    99268d2c2f8ef502c05c63eb3fc89907

    SHA1

    1467903d5ed37505dc572893704ad52f393e313b

    SHA256

    abcbd9444959277297b0d7702a5886613d9a0d8db88ec6be64bd54f8936f5294

    SHA512

    99387707ace2afd861fb3cd5b276704e384df44473c8b3982b2fda724664ccf0c77496f98debbb4f9967f7654fef44e1b49700a7d8c6382b11054f8c2d4d9b8b

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_DYN1_.hta
    Filesize

    75KB

    MD5

    93a0ce88259ecde9a55930b0de0b9f87

    SHA1

    bdcdb9d64986c47127c0233fd269a6df404299e4

    SHA256

    56affa9d1ba8b6aa0762fae35222296a8fc63290f328b0c841a82264a533b61e

    SHA512

    591e5fca8d4016f9012512d402b8e642036d13d265263a00ab0cf3de3773efea5cb0c14e311ac4fadb653a2da5c0e1b1c483056dced62d34d88221ecc069dd89

    Download Submit

  • C:\Users\Admin\Desktop\_READ_THI$_FILE_OKLETIY_.jpeg
    Filesize

    150KB

    MD5

    720cf4f7e84448001bd971d0f07edad9

    SHA1

    f0687e043e9a4e7283ebad4a4a180de936099e73

    SHA256

    7aab23b0f4a10133a303e8e6be3d370f0c9ae23067b2f61e9412321dd54f428b

    SHA512

    3d0622fee277193e051b17a9b75627451f1c24c88461c3db4ee234e4475a9fa6ab54bd681be3ebd1185744040a9867f41012b0cae2c94fd6393be75ac8f22122

    Download Submit

  • memory/1928-122-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2256-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-9-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-99-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-118-0x0000000000790000-0x00000000007A0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2256-8-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-7-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-121-0x00000000023A0000-0x00000000023A2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2256-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2256-140-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/2776-0-0x0000000000360000-0x00000000003EB000-memory.dmp

    Filesize

    556KB

    Download

  • memory/2776-5-0x0000000000360000-0x00000000003EB000-memory.dmp

    Filesize

    556KB

    Download

  • memory/2776-2-0x00000000002C0000-0x000000000034B000-memory.dmp

    Filesize

    556KB

    Download

  • memory/2776-1-0x0000000000360000-0x00000000003EB000-memory.dmp

    Filesize

    556KB

    Download