b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
145s
max time network
127s
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 23:28

Target

APT 37 Previous Commits 3/LG유플러스_이동통신_202208_이_선.rar
Size

240KB
MD5

8eb56493d984b3c2fa4c2dedb6871dd7
SHA1

bac69d2cb8b1e30b35f9cdb042702f5390230003
SHA256

490f03bcd7f20254c5231a9a2074b656e78863af0ddc3eea71edac0bca01fd4f
SHA512

396f638ee1bfc2f986dd6fd1df16f4e158eff58bbbfe47ca4475e9c4a7733dd3c88b686b8a92ca34052c819092b6df3c68d260d33a1f94b0d75660b13427c718
SSDEEP

3072:OlvuDVQ/v1WhlCs8ETjuwZ//L+1dbd0sioQIf3AIrzqw6FcE36omfQOfINP+:vSdagHd0siodfnrzqTz3ykg

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-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

1404 OpenWith.exe

pid	process
1404	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\LG유플러스_이동통신_202208_이_선.rar"
1⤵
- Modifies registry class
PID:2624

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact