Overview

overview

10

Static

static

3

2272954a2c...5a.exe

windows7-x64

10

72716d15ea...21.exe

windows7-x64

7

Bit Paymer.exe

windows7-x64

10

KeepCalm.exe

windows7-x64

1

LockedIn.exe

windows7-x64

9

NotPetya.dll

windows7-x64

10

Purge.exe

windows7-x64

1

Scarab.exe

windows7-x64

10

a631ad1b1a...4b.exe

windows7-x64

6

a9053a3a52...bc.exe

windows7-x64

7

b764629e1f...1c.exe

windows7-x64

10

cf89f70633...5c.exe

windows7-x64

1

e951e82867...50.exe

windows7-x64

1

fa0c321e1a...d2.exe

windows7-x64

9

fc184274ad...27.exe

windows7-x64

10

Resubmissions

18-07-2024 07:25

240718-h84wjs1hpb 10

18-07-2024 07:19

240718-h51pqa1gng 10

17-07-2024 20:55

240717-zqkhmaydmq 10

17-07-2024 19:21

240717-x2pwdaycjb 10

Analysis

  • max time kernel
    1565s
  • max time network
    1566s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2024 19:21

Sharing

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General

  • Target

    fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe

  • Size

    268KB

  • MD5

    d3fdd9807a32f5c27c14879336762119

  • SHA1

    73132972d130adb7106e6b9319b21856434eff65

  • SHA256

    fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527

  • SHA512

    87468ab4136f449cab6e3689b4460de6dc59421ad20ce8208e251b3e4ef63f4ac281288ec51a35469e2473328de8b45b487cd72f40ba72d304a44b89a99a7a80

  • SSDEEP

    6144:IXJ6Mv/PMB5lZOx4ccuiA8HYVVo7bBPxwdNaLvo:KJf/kBrZOxfwAsYVVoZZwdNaE

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___5GFQ2ZM_.txt

Family

cerber

Ransom Note
Hi, I'am CRBR ENCRYPTOR ;) ----- 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 (*_R_E_A_D___T_H_I_S_*) with complete instructions how to decrypt your files. If you cannot find any (*_R_E_A_D___T_H_I_S_*) 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://xpcx6erilkjced3j.onion/85A4-3B17-D2F0-005C-97F6 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://xpcx6erilkjced3j.1t2jhk.top/85A4-3B17-D2F0-005C-97F6 2. http://xpcx6erilkjced3j.1e6ly3.top/85A4-3B17-D2F0-005C-97F6 3. http://xpcx6erilkjced3j.1ewuh5.top/85A4-3B17-D2F0-005C-97F6 4. http://xpcx6erilkjced3j.15ezkm.top/85A4-3B17-D2F0-005C-97F6 5. http://xpcx6erilkjced3j.16umxg.top/85A4-3B17-D2F0-005C-97F6 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/85A4-3B17-D2F0-005C-97F6

http://xpcx6erilkjced3j.1t2jhk.top/85A4-3B17-D2F0-005C-97F6

http://xpcx6erilkjced3j.1e6ly3.top/85A4-3B17-D2F0-005C-97F6

http://xpcx6erilkjced3j.1ewuh5.top/85A4-3B17-D2F0-005C-97F6

http://xpcx6erilkjced3j.15ezkm.top/85A4-3B17-D2F0-005C-97F6

http://xpcx6erilkjced3j.16umxg.top/85A4-3B17-D2F0-005C-97F6

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
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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
  • 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe
    "C:\Users\Admin\AppData\Local\Temp\fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe"
    1⤵
    • Drops startup file
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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
      PID:2772
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2712
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___G9G4_.hta"
      2⤵
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      PID:2228
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___5GFQ2ZM_.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /d /c taskkill /f /im "fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe" > NUL & ping -n 1 127.0.0.1 > NUL & del "C:\Users\Admin\AppData\Local\Temp\fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe" > NUL && exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1536
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4FC7.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar4FDA.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___5GFQ2ZM_.txt
    Filesize

    1KB

    MD5

    6b9787bb734cab9c6eff252b698d5653

    SHA1

    8b928ed630f328756f3a74bcfc41a35825bfbb8d

    SHA256

    8246f0a33a3c9fb13525918430193612d5c9b39b98c3c66c348cd7d592252fa7

    SHA512

    83c3ab5e58bd4e8a062856f214115dfca20f5d5ceb6aa3bd68b0ce5104aab00056683db65fe9bd11e27efef50f98e5736a312cffda9f0419973c4dc21a3f985e

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___G9G4_.hta
    Filesize

    75KB

    MD5

    067bfeba2980aeefca63149c61967f1b

    SHA1

    6503eac9e1b8c903b3995d8747950094a1d1e49a

    SHA256

    9ee92770562b62695c341b9971a408c97fa451bd63c79fcc677a2c8caf8d3821

    SHA512

    ed3c0b7473bae008f4f5d82bcd0c050da62675623e8d283302627d8d70a625b6a61deadba8030b336321b3223759da578f62b94b0bbddbd376cca6918e357513

    Download Submit

  • memory/2080-1-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

    Download

  • memory/2080-0-0x0000000000220000-0x000000000024E000-memory.dmp

    Filesize

    184KB

    Download

  • memory/2080-2-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

    Download

  • memory/2080-5-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

    Download

  • memory/2080-127-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

    Download

  • memory/2080-164-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

    Download