43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
80s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-03-2023 23:12

Target

APT 37 Previous Commits 1/(20220120)2022년 총동창회 신년인사001.rar
Size

324KB
MD5

3dd12d67844b047486740405ae96f1a4
SHA1

343b56fe4945b7f3b0a8ddcde1552aa5b5dae40f
SHA256

4dd424f71c03a5866a299b21ceb936efe6d9090f5bdc7956026b32cad60f6e6b
SHA512

ab5b1b69e8a701ef8aa988a7352ea12068d719e8877e412ab2774f2f38371277d4630e86cbbbe740445136a069460f69f64b6b8e7899e7c02c6157e739f1728d
SSDEEP

6144:4VL4VbOQWSYQSWfW9i5JnWkP5O6QBKqD8w59sUrIDAW04vOYNvnfAT:M4VbOTMmw26Q7DB96DAhWdfAT

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

1996 OpenWith.exe

pid	process
1996	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\(20220120)2022년 총동창회 신년인사001.rar"
1⤵
- Modifies registry class
PID:612

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact