locky | 3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df

Analysis

max time kernel
149s
max time network
85s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 06:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe
Size

590KB
MD5

75e9203373579458f51c3082a9c142ae
SHA1

9272c5e3d29311eacf6cb1f10c9dfa7c63ad7ada
SHA256

3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df
SHA512

d13eeb86ee1dcc8816a3fa78c4daa44f80ed15558ec0735405bd1bfa5015515d0a617d4d5c4ce82ef5168acd796ac85ec95273b16e412852eb4ea7cfb506eac1

Score

10^/10

locky ransomware

Malware Config

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
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

Processes:

vssadmin.exe

pid process

1600 vssadmin.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 968 vssvc.exe
Token: SeRestorePrivilege 968 vssvc.exe
Token: SeAuditPrivilege 968 vssvc.exe

pid	process
1600	vssadmin.exe

description	pid	process
Token: SeBackupPrivilege	968	vssvc.exe
Token: SeRestorePrivilege	968	vssvc.exe
Token: SeAuditPrivilege	968	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 580 wrote to memory of 1600	580	taskeng.exe	vssadmin.exe
PID 580 wrote to memory of 1600	580	taskeng.exe	vssadmin.exe
PID 580 wrote to memory of 1600	580	taskeng.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe
"C:\Users\Admin\AppData\Local\Temp\3c968374fb5f51d095b4736b7a4db42b9573171c524a1a1e37a1efdfc14125df.exe"
1⤵
PID:1880

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:968

C:\Windows\system32\taskeng.exe
taskeng.exe {9801EFCD-929A-4183-BBFA-F1F139BACF54} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
2⤵
- Interacts with shadow copies
PID:1600

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1600-57-0x0000000000000000-mapping.dmp

Download
memory/1880-55-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1880-54-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/1880-56-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download