Overview

overview

10

Static

static

7

00FAEE82AB...AD.exe

windows7-x64

10

0B8E9BC319...20.exe

windows7-x64

10

0c9fa52ace...7a.exe

windows7-x64

7

15f7ea290d...8c.exe

windows7-x64

10

1DD70E8036...25.exe

windows7-x64

10

1E229029B2...DA.exe

windows7-x64

10

21977fc851...61.exe

windows7-x64

10

21e1bc4340...01.exe

windows7-x64

7

2272954a2c...5a.exe

windows7-x64

10

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

72716d15ea...21.exe

windows7-x64

7

8b04af13b7...21.exe

windows7-x64

10

Bit Paymer.exe

windows7-x64

10

KeepCalm.exe

windows7-x64

1

LockedIn.exe

windows7-x64

1

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

Analysis

  • max time kernel
    118s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-03-2024 15:13

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
cerberdiscoveryevasionransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___031I3MLW_.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/CE03-CAEC-9154-005C-9F96 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/CE03-CAEC-9154-005C-9F96 2. http://xpcx6erilkjced3j.1e6ly3.top/CE03-CAEC-9154-005C-9F96 3. http://xpcx6erilkjced3j.1ewuh5.top/CE03-CAEC-9154-005C-9F96 4. http://xpcx6erilkjced3j.15ezkm.top/CE03-CAEC-9154-005C-9F96 5. http://xpcx6erilkjced3j.16umxg.top/CE03-CAEC-9154-005C-9F96 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/CE03-CAEC-9154-005C-9F96

http://xpcx6erilkjced3j.1t2jhk.top/CE03-CAEC-9154-005C-9F96

http://xpcx6erilkjced3j.1e6ly3.top/CE03-CAEC-9154-005C-9F96

http://xpcx6erilkjced3j.1ewuh5.top/CE03-CAEC-9154-005C-9F96

http://xpcx6erilkjced3j.15ezkm.top/CE03-CAEC-9154-005C-9F96

http://xpcx6erilkjced3j.16umxg.top/CE03-CAEC-9154-005C-9F96

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
  • 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).

  • 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⤵
    • 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:2848
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
      2⤵
      • Modifies Windows Firewall
      PID:2524
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      PID:2652
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___01TN_.hta"
      2⤵
      • Blocklisted process makes network request
      • Modifies Internet Explorer settings
      PID:2064
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___031I3MLW_.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1800
    • 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:2368
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im "fc184274ad3908021e4c8ef28f35dc77447ed6457375d2a4e7b411955e042527.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1992
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 1 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:960

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

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

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\TarB2F.tmp
    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    Download Submit
  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___01TN_.hta
    Filesize

    76KB

    MD5

    3a3eebed5400a34eec31b1fab8d24a80

    SHA1

    16afc01afc978f7ace67abc5750aa6469c9589a9

    SHA256

    b9a23336b319252bd9edfd273ad7d79c91558a31b84a0d2eca2b6fdacb814da4

    SHA512

    8ec49f8af6bb21acb4bf1150d8a1fccd3414d62adc307524464a3293a98764ac8260e1b6582c2a46584e9affa525b12631d343d5c0db04553337e54784e708cf

    Download Submit
  • C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___031I3MLW_.txt
    Filesize

    1KB

    MD5

    cee668a4cacd448fed2dd7d233dc1784

    SHA1

    ecb7ef48caef0723f53016986c1f5cf16525a754

    SHA256

    7995cfe29067ae1d5d80ece23f9b96863ca7d89b93bd57274529c5cb3e79cc1d

    SHA512

    bc9af8563b8c53d7ebdef591cbc3b36def927341b6f6b0788a2b3c87c54fa889c1a3c1f00fd9fd3ea5ab7ab9a62a709a8a6888e619844ceae87588598a575be7

    Download Submit
  • memory/2848-0-0x00000000001B0000-0x00000000001DE000-memory.dmp
    Filesize

    184KB

    Download
  • memory/2848-1-0x0000000000400000-0x0000000000431000-memory.dmp
    Filesize

    196KB

    Download
  • memory/2848-2-0x0000000000400000-0x0000000000431000-memory.dmp
    Filesize

    196KB

    Download
  • memory/2848-5-0x0000000000400000-0x0000000000431000-memory.dmp
    Filesize

    196KB

    Download
  • memory/2848-93-0x0000000000400000-0x0000000000431000-memory.dmp
    Filesize

    196KB

    Download
  • memory/2848-129-0x0000000000400000-0x0000000000431000-memory.dmp
    Filesize

    196KB

    Download