Overview

overview

10

Static

static

7

00FAEE82AB...AD.exe

windows7-x64

10

01D2E2B398...A9.exe

windows7-x64

10

0B760ABF10...23.exe

windows7-x64

10

0B8E9BC319...20.exe

windows7-x64

10

0D0E7D8626...E5.exe

windows7-x64

10

0E9765528C...69.exe

windows7-x64

10

0c9fa52ace...7a.exe

windows7-x64

7

15f7ea290d...8c.exe

windows7-x64

10

1CB8203982...26.exe

windows7-x64

10

1CF69170F7...5E.exe

windows7-x64

10

1CFEDCBA10...0E.exe

windows7-x64

7

1DD70E8036...25.exe

windows7-x64

10

1E229029B2...DA.exe

windows7-x64

10

1F5FEB3211...6D.exe

windows7-x64

10

1FD11B5CBB...ED.exe

windows7-x64

10

21977fc851...61.exe

windows7-x64

10

21e1bc4340...01.exe

windows7-x64

7

2C3542B5D9...85.exe

windows7-x64

7

3ac7f91e37...38.exe

windows7-x64

10

3c0fe521f6...16.exe

windows7-x64

10

41c53e90f0...4a.exe

windows7-x64

10

467c2b23b7...be.exe

windows7-x64

10

5b79b6a814...b0.exe

windows7-x64

10

712affaa8b...1).exe

windows7-x64

1

8b04af13b7...21.exe

windows7-x64

10

Analysis

  • max time kernel
    1561s
  • max time network
    1567s
  • 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

    3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe

  • Size

    390KB

  • MD5

    08109df08fa4a035c59d56d1e6c5baf4

  • SHA1

    bec86bce6f6963d0cc69c441c6d5fb6d04d3a833

  • SHA256

    3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338

  • SHA512

    61e6cc3e94ddb7a980bfb0a2e5e5ffeeb5414c9e2ef3e42551820017dbedab5cccdd8ece1fed2ca057e240bdb7836663a7f9be28f1bb9136da972750caf59704

  • SSDEEP

    12288:s8TC7FeAA9IsQwycG888888888888W88888888888E7xCYsdG:s8TygVinw1Z7xCZdG

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___3G73_.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/8B23-1C09-72A9-0098-9A69 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.19kxwa.top/8B23-1C09-72A9-0098-9A69 2. http://xpcx6erilkjced3j.1eht65.top/8B23-1C09-72A9-0098-9A69 3. http://xpcx6erilkjced3j.1t2jhk.top/8B23-1C09-72A9-0098-9A69 4. http://xpcx6erilkjced3j.1e6ly3.top/8B23-1C09-72A9-0098-9A69 5. http://xpcx6erilkjced3j.16umxg.top/8B23-1C09-72A9-0098-9A69 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/8B23-1C09-72A9-0098-9A69

http://xpcx6erilkjced3j.19kxwa.top/8B23-1C09-72A9-0098-9A69

http://xpcx6erilkjced3j.1eht65.top/8B23-1C09-72A9-0098-9A69

http://xpcx6erilkjced3j.1t2jhk.top/8B23-1C09-72A9-0098-9A69

http://xpcx6erilkjced3j.1e6ly3.top/8B23-1C09-72A9-0098-9A69

http://xpcx6erilkjced3j.16umxg.top/8B23-1C09-72A9-0098-9A69

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\3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe
    "C:\Users\Admin\AppData\Local\Temp\3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.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:2120
    • 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:2060
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:2044
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___S4H6RHX_.hta"
      2⤵
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      PID:2840
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___3G73_.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /d /c taskkill /f /im "3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe" > NUL & ping -n 1 127.0.0.1 > NUL & del "C:\Users\Admin\AppData\Local\Temp\3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe" > NUL && exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "3ac7f91e37572c0d15de4de96ab4719531c30536409fda4acb3e0071ab726338.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1172
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab389F.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar38C1.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___3G73_.txt
    Filesize

    1KB

    MD5

    5c21728c3c8804e4453037f0abec1cef

    SHA1

    4b48a0518ea37419dd12a9e93c6ec2a0064dac99

    SHA256

    d39a22d50d660d16502aaf0fa31ba493be6960a4054cb7e519c06b4b02ed368b

    SHA512

    c14879ef6702b528886c0beda6939fd71d3035ae4b06d732fb10bf865ed1ea40361c48571d2684af76fc708eb28ab8d9b764c374ab6d9261c37cee7e2cf5a75b

    Download Submit

  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___S4H6RHX_.hta
    Filesize

    76KB

    MD5

    c383444bed9eb5bd7a2f54209bc955c0

    SHA1

    91d8c59c8ce69286dc02850043ac1e9dd619f38e

    SHA256

    b996706ee81075c2b340c92b1d41b94def8da759608d7d9bf206af7f52419248

    SHA512

    d346218855a86e71a9ce55a5c5175ee5a441e7c58883678c91fba95611aeee9f798640fdcb8aa294fcc6a79485b9e0d67b5735ed125c5d45c41d22fc3b5189e9

    Download Submit

  • memory/2120-1-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2120-0-0x0000000000180000-0x00000000001B2000-memory.dmp

    Filesize

    200KB

    Download

  • memory/2120-2-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2120-5-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2120-91-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2120-99-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download

  • memory/2120-132-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

    Download