rook | 96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b

General

Target

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
Size

5.4MB
MD5

4f7adc32ec67c1a55853ef828fe58707
SHA1

36de7997949ac3b9b456023fb072b9a8cd84ade8
SHA256

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b
SHA512

a45e4a20133c842037789157c3ed845afdefbb0d2fe3958d75f0cb3cdfeee106262f9de0e0aca92ac84a0211432cd19773e0f769b970ddb8a80e5f7855676f74

Score

10^/10

rook ransomware vmprotect

Malware Config

Extracted

Path

C:\Documents and Settings\HowToRestoreYourFiles.txt

Family

rook

Ransom Note

-----------Welcome. Again. -------------------- [+]Whats Happen?[+] Your files are encrypted,and currently unavailable. You can check it: all files on you computer has expansion robet. By the way,everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees?[+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the file capacity, please send 3 files not larger than 1M to us, and we will prove that we are capable of restoring. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data,cause just we have the private key. In practise - time is much more valuable than money. If we find that a security vendor or law enforcement agency pretends to be you to negotiate with us, we will directly destroy the private key and no longer provide you with decryption services. You have 3 days to contact us for negotiation. Within 3 days, we will provide a 50% discount. If the discount service is not provided for more than 3 days, the files will be leaked to our onion network. Every more than 3 days will increase the number of leaked files. Please use the company email to contact us, otherwise we will not reply. [+] How to get access on website?[+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site:https://torproject.org/ b) Open our website:gamol6n6p2p4c3ad7gxmx3ur7wwdwlywebo2azv3vv5qlmjmole2zbyd.onion 2) Our mail box: a)[email protected] b)[email protected] c)If the mailbox fails or is taken over, please open Onion Network to check the new mailbox ------------------------------------------------------------------------------------------------ !!!DANGER!!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!!!!!! AGAIN: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, please should not interfere. !!!!!!! ONE MORE TIME: Security vendors and law enforcement agencies, please be aware that attacks on us will make us even stronger. !!!!!!!

Emails

a)[email protected]

b)[email protected]

Signatures

Rook
Rook is a ransomware which copies from NightSky ransomware.
ransomware rook
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 17 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\EditDisconnect.tiff.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\LimitJoin.crw => C:\Users\Admin\Pictures\LimitJoin.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\LimitJoin.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeBlock.png.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\CopySwitch.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\EditDisconnect.tiff => C:\Users\Admin\Pictures\EditDisconnect.tiff.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\ExportTrace.raw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\ClearRemove.crw => C:\Users\Admin\Pictures\ClearRemove.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\ExportTrace.raw => C:\Users\Admin\Pictures\ExportTrace.raw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\FindUnpublish.raw => C:\Users\Admin\Pictures\FindUnpublish.raw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\FindUnpublish.raw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\OptimizeBlock.png => C:\Users\Admin\Pictures\OptimizeBlock.png.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\ResolveDeny.png => C:\Users\Admin\Pictures\ResolveDeny.png.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\ResolveDeny.png.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\EditDisconnect.tiff	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened for modification	C:\Users\Admin\Pictures\ClearRemove.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File renamed	C:\Users\Admin\Pictures\CopySwitch.crw => C:\Users\Admin\Pictures\CopySwitch.crw.Rook	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/664-130-0x00007FF756550000-0x00007FF756E6D000-memory.dmp	vmprotect
behavioral2/memory/664-133-0x00007FF756550000-0x00007FF756E6D000-memory.dmp	vmprotect

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

Processes:

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.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

Processes:

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

description	ioc	Process
File opened (read-only)	\??\Q:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\S:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\F:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\J:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\M:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\E:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\Y:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\U:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\G:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\L:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\X:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\N:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\R:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\T:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\O:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\A:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\H:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\K:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\Z:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\V:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\W:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\I:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\P:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
File opened (read-only)	\??\B:	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.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

Processes:

vssadmin.exevssadmin.exe

pid	Process
2828	vssadmin.exe
3776	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

pid	Process
664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description	pid	Process
Token: SeBackupPrivilege	4388	vssvc.exe
Token: SeRestorePrivilege	4388	vssvc.exe
Token: SeAuditPrivilege	4388	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.execmd.execmd.exe

description	pid	Process	procid_target
PID 664 wrote to memory of 4856	664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe	82
PID 664 wrote to memory of 4856	664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe	82
PID 4856 wrote to memory of 2828	4856	cmd.exe	84
PID 4856 wrote to memory of 2828	4856	cmd.exe	84
PID 664 wrote to memory of 1800	664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe	89
PID 664 wrote to memory of 1800	664	96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe	89
PID 1800 wrote to memory of 3776	1800	cmd.exe	91
PID 1800 wrote to memory of 3776	1800	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe
"C:\Users\Admin\AppData\Local\Temp\96f7df1c984c1753289600f7f373f3a98a4f09f82acc1be8ecfd5790763a355b.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:664
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2828
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3776

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/664-130-0x00007FF756550000-0x00007FF756E6D000-memory.dmp

Filesize
9.1MB

Download
memory/664-133-0x00007FF756550000-0x00007FF756E6D000-memory.dmp

Filesize
9.1MB

Download
memory/664-134-0x00007FFC20570000-0x00007FFC20572000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads