ragnarok | b7319f3e21c3941fc2a960b67a150b02f1f3389825164140e75dfa023a73d34c

General

Target

since1969.exe
Size

210KB
MD5

48452dd2506831d0b340e45b08799623
SHA1

74993759f49d123ec334111f29cdbbf2e0276b58
SHA256

b7319f3e21c3941fc2a960b67a150b02f1f3389825164140e75dfa023a73d34c
SHA512

5a0b4f5884ae2d302661b0581ab2475c1403555af0f531e1d0c29e240454dfe9979a32979d30856c5ad5da0ea1ffac1ec2c16eb6fa07b7ece74e069fcf2e5958
SSDEEP

3072:LNWPHNek0igmpXlZwbvsBQUbtqJQW7xAZ22yz6VoSYMFZoJ8lsPGKLpZnoHq86fa:RGSigm1lmbaBp7O6qSYCiNPhzHa

Score

10^/10

ragnarok evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\!!ReadMe_To_Decrypt_My_Files.txt

Family

ragnarok

Ransom Note

It's not late to say happy new year right? but how didn't i bring a gift as the first time we met :) #what happend to your files? Unfortunately your files are encrypted with rsa4096 and aes encryption,you won't decrypt your files without our tool but don't worry,you can follow the instructions to decrypt your files 1.obviously you need a decrypt tool so that you can decrypt all of your files 2.contact with us for our btcoin address and send us your DEVICE ID after you decide to pay 3.i will reply a specific price e.g 1.0011 or 0.9099 after i received your mail including your DEVICE ID 4.i will send your personal decrypt tool only work on your own machine after i had check the ransom paystatus 5.you can provide a file less than 1M for us to prove that we can decrypt your files after you paid 6.it's wise to pay as soon as possible it wont make you more losses the ransome: 1 btcoin for per machine,5 bitcoins for all machines how to buy bitcoin and transfer? i think you are very good at googlesearch [email protected] [email protected] [email protected] Attention:if you wont pay the ransom in five days, all of your files will be made public on internet and will be deleted YOUR DEVICE ID: =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

Emails

[email protected]

Signatures

Ragnarok
Ransomware family deployed from Citrix servers infected via CVE-2019-19781.
ransomware ragnarok
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2372	bcdedit.exe
3912	bcdedit.exe

Renames multiple (1683) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
4300	netsh.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops desktop.ini file(s) 28 IoCs

description	ioc	Process
File created	C:\Users\Admin\Videos\desktop.ini	since1969.exe
File created	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	since1969.exe
File created	C:\Users\Admin\Searches\desktop.ini	since1969.exe
File created	C:\Users\Public\Documents\desktop.ini	since1969.exe
File created	C:\Users\Public\Downloads\desktop.ini	since1969.exe
File created	C:\Users\Public\Libraries\desktop.ini	since1969.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	since1969.exe
File created	C:\Users\Admin\Downloads\desktop.ini	since1969.exe
File created	C:\Users\Admin\Favorites\desktop.ini	since1969.exe
File created	C:\Users\Admin\OneDrive\desktop.ini	since1969.exe
File created	C:\Users\Public\AccountPictures\desktop.ini	since1969.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	since1969.exe
File created	C:\Users\Admin\Documents\desktop.ini	since1969.exe
File created	C:\Users\Admin\Links\desktop.ini	since1969.exe
File created	C:\Users\Admin\Pictures\desktop.ini	since1969.exe
File created	C:\Users\Public\Pictures\desktop.ini	since1969.exe
File created	C:\Users\Public\Videos\desktop.ini	since1969.exe
File created	C:\Users\Public\desktop.ini	since1969.exe
File created	C:\Users\Admin\3D Objects\desktop.ini	since1969.exe
File created	C:\Users\Admin\Contacts\desktop.ini	since1969.exe
File created	C:\Users\Admin\Desktop\desktop.ini	since1969.exe
File created	C:\Users\Admin\Music\desktop.ini	since1969.exe
File created	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	since1969.exe
File created	C:\Users\Admin\Favorites\Links\desktop.ini	since1969.exe
File created	C:\Users\Admin\Saved Games\desktop.ini	since1969.exe
File created	C:\Users\Public\Desktop\desktop.ini	since1969.exe
File created	C:\Users\Public\Music\desktop.ini	since1969.exe
File created	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	since1969.exe

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
1672	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2244	since1969.exe
2244	since1969.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	4676	vssvc.exe
Token: SeRestorePrivilege	4676	vssvc.exe
Token: SeAuditPrivilege	4676	vssvc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 3368	2244	since1969.exe	86
PID 2244 wrote to memory of 3368	2244	since1969.exe	86
PID 2244 wrote to memory of 2392	2244	since1969.exe	93
PID 2244 wrote to memory of 2392	2244	since1969.exe	93
PID 2244 wrote to memory of 960	2244	since1969.exe	92
PID 2244 wrote to memory of 960	2244	since1969.exe	92
PID 2244 wrote to memory of 1144	2244	since1969.exe	91
PID 2244 wrote to memory of 1144	2244	since1969.exe	91
PID 3368 wrote to memory of 1672	3368	cmd.exe	94
PID 3368 wrote to memory of 1672	3368	cmd.exe	94
PID 1144 wrote to memory of 4300	1144	cmd.exe	95
PID 1144 wrote to memory of 4300	1144	cmd.exe	95
PID 2392 wrote to memory of 3912	2392	cmd.exe	97
PID 2392 wrote to memory of 3912	2392	cmd.exe	97
PID 960 wrote to memory of 2372	960	cmd.exe	96
PID 960 wrote to memory of 2372	960	cmd.exe	96

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\since1969.exe
"C:\Users\Admin\AppData\Local\Temp\since1969.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c vssadmin delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3368
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1672
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c netsh advfirewall set allprofiles state off
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1144
- - C:\Windows\system32\netsh.exe
    netsh advfirewall set allprofiles state off
    3⤵
    - Modifies Windows Firewall
    PID:4300
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c bcdedit /set {current} recoveryenabled no
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {current} recoveryenabled no
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2372
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {current} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:3912

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4676

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

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Indicator Removal

2

T1070

File Deletion

2

T1070.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

3

T1490

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Downloads

C:\Users\Admin\Documents\!!ReadMe_To_Decrypt_My_Files.txt

Filesize
2KB

MD5
a638f0bc5342da09803b511020d3ac81

SHA1
dd17c981d0e974658aa78d7a134e6765d9018cc9

SHA256
31365ebb0107fc373a12ad26dbae332d5b277796964fab1d4fa750f755ccbf5c

SHA512
a97b369bcc327f3817b9627f675cbe22f8fb98f576837ab2e8ae8a2387310fd3477128ae70912ce73c70ba9346831fd8ccddd6bbc7ac6bdcd73033816cc459d1

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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