91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25

General

Target

91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
Size

71KB
MD5

b3f5d8a881bf8c1c0431cb6b9747918f
SHA1

7c2b61a227133ce76c2b2fa95945c82647cfb5fc
SHA256

91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25
SHA512

1872ab6ecf9fd7035472a51f4eba681e26674532d0a86604bdee8c77c33234426aaf90b02c572572c412482f19f81388f2110787bb2fa04b04be08308a54e15b
SSDEEP

768:HnI8FVk+TrPonxlCpMZTJcNGsryeqpNaO4izP2UCXkwdbA/aNtGBVsKB/sQ7cF9R:oo+6PikSZl7e6rW0wdbAyNcQDmnZS

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\odt\How To Restore Your Files.txt

Ransom Note

----------- [ Hello! ] -------------> ****BY DATAF L**OCKER**** What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted from your network and copied. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - a universal decoder. This program will restore your entire network. Follow our instructions below and you will recover all your data. If you continue to ignore this for a long time, we will start reporting the hack to mainstream media and posting your data to the dark web. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): tor chat: http://453aluxcu5vgxm4nqqui4ubbzoa5menbb4dyw3nc2rceqqgy7ms5grid.onion/hZwKUVTZ644VCbE3-19k login: User_3hfMgnKTFyQ_Vg== Password: QeimbBce7G8OBEh0pXkUCnyjPrM= ---------------------------------------------- !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!

URLs

http://453aluxcu5vgxm4nqqui4ubbzoa5menbb4dyw3nc2rceqqgy7ms5grid.onion/hZwKUVTZ644VCbE3-19k

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 2 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\MeasureWatch.tif => C:\Users\Admin\Pictures\MeasureWatch.tif.dataf	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened for modification	C:\Users\Admin\Pictures\MeasureWatch.tif.dataf	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\How To Restore Your Files.txt	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe

Enumerates connected drives 3 TTPs 24 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\X:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\V:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\R:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\S:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\A:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\G:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\H:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\K:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\Z:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\M:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\W:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\O:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\T:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\P:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\J:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\L:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\Q:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\E:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\I:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\F:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\B:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\N:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\Y:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
File opened (read-only)	\??\U:	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

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

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
4948	vssadmin.exe
3624	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1280	vssvc.exe
Token: SeRestorePrivilege	1280	vssvc.exe
Token: SeAuditPrivilege	1280	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2428	2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe	81
PID 2356 wrote to memory of 2428	2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe	81
PID 2428 wrote to memory of 3624	2428	cmd.exe	83
PID 2428 wrote to memory of 3624	2428	cmd.exe	83
PID 2356 wrote to memory of 1056	2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe	88
PID 2356 wrote to memory of 1056	2356	91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe	88
PID 1056 wrote to memory of 4948	1056	cmd.exe	90
PID 1056 wrote to memory of 4948	1056	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe
"C:\Users\Admin\AppData\Local\Temp\91bd5168b9b0026bfcc02f4a30c11f76d8663ef3ccf734afcc490098b517fa25.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Drops startup file
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3624
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4948