f6289c13d79d8de611e9c143602298970b5969c15a4d6a3e40efec794bc371dd

General

Target

LegionLocker3.0.exe
Size

3.0MB
MD5

cdccf5b587aac1a4aeb53f8aaa465759
SHA1

3d804d15282a5b031684cc6bd8b9b7d9d880d13d
SHA256

f6289c13d79d8de611e9c143602298970b5969c15a4d6a3e40efec794bc371dd
SHA512

61668842acbb52c8c1e35e5ba4cca412ea1a56b4de6e3adb58f158cee77f8e04e24be99bbbc92c5f551afc2bbe45cf9c99c7b0b63affb8cef3d6718dc0c950f3

Score

10^/10

evasion ransomware spyware stealer themida trojan

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\LegionReadMe.txt

Ransom Note

Ooops! All your important files are encrypted! What happend to my computer? All your important files are encrypted. No one can help you to restore files without our special decryptor Backups were either encrypted or deleted. Shadow copies also removed. If you want to restore some of your files for free write to email (contact is below) and attach 2-3 encrypted files. You will receive decrypted samples. Please don't forget to attach ID.txt file in the e-mail. To decrypt other files you have to pay $50. How do i pay? Payment is accepted in Bitcoin only. Please check the current price of Bitcoin and buy some Bitcoins. And send the correct amount to the address specified at the bottom of the sheet. Contact: 1.Download Tor browser (https://www.torproject.org/) 2.Create account on mail2tor (http://mail2tor2zyjdctd.onion/) 3.Write email to us (LegionLocker@mail2tor.com) In case of no anwser in 72 hours write us to this email: CobraLocker@mail2tor.com What if i already paid? Send your Bitcoin wallet ID to e-mail provided above. Attention! 1.Do not modify encrypted files. 2.Do not try decrypt your data using third party software, it may cause pernament data loss. Our Bitcoin address: 131fjhrB4wH8j6adZXudp1Wn23pR33tpAh

Emails

LegionLocker@mail2tor.com

CobraLocker@mail2tor.com

Wallets

131fjhrB4wH8j6adZXudp1Wn23pR33tpAh

URLs

http://mail2tor2zyjdctd.onion/

Signatures

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

File Deletion
T1107

Inhibit System Recovery
T1490
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

LegionLocker3.0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	LegionLocker3.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	LegionLocker3.0.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
T1081

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/308-62-0x00000000001B0000-0x00000000001B1000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

LegionLocker3.0.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA LegionLocker3.0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	LegionLocker3.0.exe

Enumerates connected drives 3 TTPs 18 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:

vssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exe

description	ioc	process
File opened (read-only)	\??\f:	vssadmin.exe
File opened (read-only)	\??\G:	vssadmin.exe
File opened (read-only)	\??\D:	vssadmin.exe
File opened (read-only)	\??\e:	vssadmin.exe
File opened (read-only)	\??\g:	vssadmin.exe
File opened (read-only)	\??\H:	vssadmin.exe
File opened (read-only)	\??\H:	vssadmin.exe
File opened (read-only)	\??\E:	vssadmin.exe
File opened (read-only)	\??\e:	vssadmin.exe
File opened (read-only)	\??\E:	vssadmin.exe
File opened (read-only)	\??\F:	vssadmin.exe
File opened (read-only)	\??\F:	vssadmin.exe
File opened (read-only)	\??\G:	vssadmin.exe
File opened (read-only)	\??\D:	vssadmin.exe
File opened (read-only)	\??\f:	vssadmin.exe
File opened (read-only)	\??\g:	vssadmin.exe
File opened (read-only)	\??\h:	vssadmin.exe
File opened (read-only)	\??\h:	vssadmin.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

LegionLocker3.0.exe

pid process

308 LegionLocker3.0.exe

Interacts with shadow copies 2 TTPs 14 IoCs

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

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

Processes:

vssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exe

pid	process
1652	vssadmin.exe
1500	vssadmin.exe
1840	vssadmin.exe
484	vssadmin.exe
1480	vssadmin.exe
336	vssadmin.exe
1952	vssadmin.exe
1828	vssadmin.exe
1608	vssadmin.exe
1616	vssadmin.exe
1164	vssadmin.exe
472	vssadmin.exe
1000	vssadmin.exe
1896	vssadmin.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1348 NOTEPAD.EXE

pid	process
1348	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

LegionLocker3.0.exe

pid	process
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe
308	LegionLocker3.0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

LegionLocker3.0.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	308	LegionLocker3.0.exe
Token: SeBackupPrivilege	1504	vssvc.exe
Token: SeRestorePrivilege	1504	vssvc.exe
Token: SeAuditPrivilege	1504	vssvc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

NOTEPAD.EXE

pid process

1348 NOTEPAD.EXE

pid	process
1348	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

LegionLocker3.0.execmd.exe

description	pid	process	target process
PID 308 wrote to memory of 848	308	LegionLocker3.0.exe	cmd.exe
PID 308 wrote to memory of 848	308	LegionLocker3.0.exe	cmd.exe
PID 308 wrote to memory of 848	308	LegionLocker3.0.exe	cmd.exe
PID 308 wrote to memory of 848	308	LegionLocker3.0.exe	cmd.exe
PID 848 wrote to memory of 1652	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1652	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1652	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1652	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 484	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 484	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 484	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 484	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1480	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1480	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1480	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1480	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1164	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1164	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1164	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1164	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 336	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 336	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 336	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 336	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 472	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 472	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 472	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 472	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1000	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1000	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1000	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1000	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1896	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1896	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1896	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1896	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1828	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1828	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1828	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1828	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1952	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1952	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1952	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1952	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1616	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1616	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1616	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1616	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1500	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1500	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1500	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1500	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1608	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1608	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1608	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1608	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1840	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1840	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1840	848	cmd.exe	vssadmin.exe
PID 848 wrote to memory of 1840	848	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\LegionLocker3.0.exe
"C:\Users\Admin\AppData\Local\Temp\LegionLocker3.0.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\WTHBNZD.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\vssadmin.exe
vssadmin Delete Shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1652

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=c: /on=c: /maxsize=401MB
3⤵
- Interacts with shadow copies
PID:484

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=c: /on=c: /maxsize=unbounded
3⤵
- Interacts with shadow copies
PID:1480

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=d: /on=d: /maxsize=401MB
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1164

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=d: /on=d: /maxsize=unbounded
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:336

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=e: /on=e: /maxsize=401MB
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:472

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=e: /on=e: /maxsize=unbounded
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1000

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=f: /on=f: /maxsize=401MB
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1896

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=f: /on=f: /maxsize=unbounded
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1828

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=g: /on=g: /maxsize=401MB
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1952

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=g: /on=g: /maxsize=unbounded
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1616

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=h: /on=h: /maxsize=401MB
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1500

C:\Windows\SysWOW64\vssadmin.exe
vssadmin resize shadowstorage /for=h: /on=h: /maxsize=unbounded
3⤵
- Enumerates connected drives
- Interacts with shadow copies
PID:1608

C:\Windows\SysWOW64\vssadmin.exe
vssadmin Delete Shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1840

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1556

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\LegionReadMe.txt
1⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:1348

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:368

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\AppData\Local\Temp\WTHBNZD.bat
MD5
d2aba3e1af80edd77e206cd43cfd3129

SHA1
3116da65d097708fad63a3b73d1c39bffa94cb01

SHA256
8940135a58d28338ce4ea9b9933e6780507c56ab37a2f2e3a1a98c6564548a12

SHA512
0059bd4cc02c52a219a0a2e1836bf04c11e2693446648dd4d92a2f38ed060ecd6c0f835e542ff8cfef8903873c01b8de2b38ed6ed2131a131bdd17887c11d0ec

Download Submit
C:\Users\Admin\Desktop\LegionReadMe.txt
MD5
b25bea1bbb40ad5ba0eec8e424a0f1e3

SHA1
65f0a000857f8b6fffab92f799abb89acf03892b

SHA256
21d408264be4fe486bcbb06700320cdf8cb7cd810d9472754990c60afa197a81

SHA512
e0c52155171339ad64acd115f570946e110a921603e0780caef25c5bdb855d6720345eedf30da36dd5872d5890e0dd97ac88698def0792b8f4c0910128f6ae18

Download Submit
memory/308-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/308-62-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/308-64-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/308-85-0x0000000005626000-0x0000000005627000-memory.dmp

Filesize
4KB

Download
memory/308-89-0x0000000005629000-0x000000000562A000-memory.dmp

Filesize
4KB

Download
memory/308-88-0x0000000005628000-0x0000000005629000-memory.dmp

Filesize
4KB

Download
memory/308-70-0x0000000005615000-0x0000000005626000-memory.dmp

Filesize
68KB

Download
memory/308-86-0x0000000005627000-0x0000000005628000-memory.dmp

Filesize
4KB

Download
memory/336-72-0x0000000000000000-mapping.dmp

Download
memory/472-73-0x0000000000000000-mapping.dmp

Download
memory/484-68-0x0000000000000000-mapping.dmp

Download
memory/848-65-0x0000000000000000-mapping.dmp

Download
memory/1000-74-0x0000000000000000-mapping.dmp

Download
memory/1164-71-0x0000000000000000-mapping.dmp

Download
memory/1480-69-0x0000000000000000-mapping.dmp

Download
memory/1500-79-0x0000000000000000-mapping.dmp

Download
memory/1556-82-0x000007FEFC661000-0x000007FEFC663000-memory.dmp

Filesize
8KB

Download
memory/1608-80-0x0000000000000000-mapping.dmp

Download
memory/1616-78-0x0000000000000000-mapping.dmp

Download
memory/1652-67-0x0000000000000000-mapping.dmp

Download
memory/1828-76-0x0000000000000000-mapping.dmp

Download
memory/1840-81-0x0000000000000000-mapping.dmp

Download
memory/1896-75-0x0000000000000000-mapping.dmp

Download
memory/1952-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads