ragnarok | db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785

General

Target
db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe
Size 228KB
Sample220424-drbffscagr
SHA256 db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785
MD5 e134d5a91ed31516566a091c0caa76fe
SHA1 260c54f8ef9450d2366794f35d0b291bdc133ec5
SHA512 4bccd544d3f53e4240b62651465eee6347cf54501437cf7d6f79060707ba702f4ff16435aeb342099f4b238e7b7372a60a2271b3a9b537e4893d743874c8d1db
MD5 SHA1 SHA512

Score

10^/10

ragnarok evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\How_To_Decrypt_My_Files.txt

ragnarok

Ransom Note

#what happend? Unfortunately your files are encrypted, To decrypt your files follow the instructions 1. you need a decrypt tool so that you can decrypt all of your files 2. contact with us for our btc address if you want decrypt your files or you can do nothing just wait your files gona be deleted 3. you can provide a file which size less than 3M for us to prove that we can decrypt your files after you paid 4. it is wise to pay in the first time it wont cause you more losses DEVICE ID: ---------------------------- =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 ---------------------------- you can send your DEVICE ID to mail address below [email protected]

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
T1107

Inhibit System Recovery
T1490

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
5064	bcdedit.exe
2880	bcdedit.exe

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
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
T1081

Interacts with shadow copies 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
2488	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe
2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	4496	vssvc.exe
Token: SeRestorePrivilege	4496	vssvc.exe
Token: SeAuditPrivilege	4496	vssvc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1232	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	84
PID 2412 wrote to memory of 1232	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	84
PID 2412 wrote to memory of 1428	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	85
PID 2412 wrote to memory of 1428	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	85
PID 2412 wrote to memory of 1612	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	86
PID 2412 wrote to memory of 1612	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	86
PID 2412 wrote to memory of 1528	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	87
PID 2412 wrote to memory of 1528	2412	db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe	87
PID 1232 wrote to memory of 2488	1232	cmd.exe	88
PID 1232 wrote to memory of 2488	1232	cmd.exe	88
PID 1428 wrote to memory of 5064	1428	cmd.exe	89
PID 1428 wrote to memory of 5064	1428	cmd.exe	89
PID 1612 wrote to memory of 2880	1612	cmd.exe	90
PID 1612 wrote to memory of 2880	1612	cmd.exe	90
PID 1528 wrote to memory of 452	1528	cmd.exe	91
PID 1528 wrote to memory of 452	1528	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe
"C:\Users\Admin\AppData\Local\Temp\db8b499d613b604a439bca37c3be2f578bdfcde1b2271eccbcf22db85996e785.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c vssadmin delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2488
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {current} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:5064
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c bcdedit /set {current} recoveryenabled no
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {current} recoveryenabled no
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2880
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c netsh advfirewall set allprofiles state off
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\system32\netsh.exe
    netsh advfirewall set allprofiles state off
    3⤵
    PID:452