876146f53661fed42e6374efa4d299d1fe322aad061b6cfb0801b31a28a69d0e

Analysis

max time kernel
147s
max time network
12s
platform
windows7_x64
resource
win7v20201028
submitted
22/03/2021, 07:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
RT554466666NH_pdf.scr
Size 1.3MB
Sample210322-4vtyry4qee
SHA256 876146f53661fed42e6374efa4d299d1fe322aad061b6cfb0801b31a28a69d0e
MD5 7e5db2f22e22f75e098c08d199ed0c27
SHA1 a64d57b5ba05fc68a876be953b5dcb53543fd867
SHA512 3e73fc59aaefae2998790e53778a1a0059eb144ed89e4e3ad90131938412109e0de1564741d430f46a1a83d6b8ef22578a0d80eb893b82e41172fcef8a3653f2
MD5 SHA1 SHA512

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	RT554466666NH_pdf.scr
1576	RT554466666NH_pdf.scr

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	RT554466666NH_pdf.scr

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1576 wrote to memory of 476	1576	RT554466666NH_pdf.scr	29
PID 1576 wrote to memory of 476	1576	RT554466666NH_pdf.scr	29
PID 1576 wrote to memory of 476	1576	RT554466666NH_pdf.scr	29
PID 1576 wrote to memory of 476	1576	RT554466666NH_pdf.scr	29

C:\Users\Admin\AppData\Local\Temp\RT554466666NH_pdf.scr
"C:\Users\Admin\AppData\Local\Temp\RT554466666NH_pdf.scr" /S
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rrmnTIVJpRf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA064.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1576-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Download

memory/1576-3-0x00000000048C0000-0x00000000048C1000-memory.dmp

Download