locky | 48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867

General

Target

48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
Size

756KB
MD5

8fb63c10eb2c656dafe47e854906d29b
SHA1

ae45c8e53bbc6e094e12c44bad0da44eb357ca36
SHA256

48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867
SHA512

baa533df470d47aacb6274c193bc34ddace60957dbcddc39aa130cb11b74ec7ce25d051347c80c19a10ddfab854595b52c8a88b35134eb8b79ae177b49688718

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

Modifies extensions of user files 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe

description	ioc	process
File opened for modification	\??\c:\Users\Admin\Pictures\ResolveApprove.tiff	48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe

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

1656 vssadmin.exe

pid	process
1656	vssadmin.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1556	48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
Token: SeTakeOwnershipPrivilege	1556	48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
Token: SeBackupPrivilege	1556	48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
Token: SeRestorePrivilege	1556	48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
Token: SeBackupPrivilege	1708	vssvc.exe
Token: SeRestorePrivilege	1708	vssvc.exe
Token: SeAuditPrivilege	1708	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 864 wrote to memory of 1656	864	taskeng.exe	vssadmin.exe
PID 864 wrote to memory of 1656	864	taskeng.exe	vssadmin.exe
PID 864 wrote to memory of 1656	864	taskeng.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe
"C:\Users\Admin\AppData\Local\Temp\48c7a0da6261e557e6cd12e81ba8b577492d477d8d21c0bbd8420dc9cb613867.exe"
1⤵
- Modifies extensions of user files
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\system32\taskeng.exe
taskeng.exe {7CC012D3-9E83-4050-821B-1D8572778302} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\system32\vssadmin.exe
C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
2⤵
- Interacts with shadow copies
PID:1656

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/1556-54-0x0000000075541000-0x0000000075543000-memory.dmp

Filesize
8KB

Download
memory/1556-55-0x0000000000AB0000-0x0000000000B71000-memory.dmp

Filesize
772KB

Download
memory/1556-58-0x0000000000870000-0x00000000008F9000-memory.dmp

Filesize
548KB

Download
memory/1656-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads