f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce

Analysis

max time kernel
188s
max time network
241s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 05:53

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General

Target

f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe
Size

20KB
MD5

f49a9e3425a52b634966a6417b6e5581
SHA1

71462177e6d6f113a6c95eabb862dd12280ced22
SHA256

f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce
SHA512

80f8e41d8e0e97a8f9cd4730e3f41401a228f0448fe0ba9339db3c8d5b1d465126923ba3298a84c31e02089b692da150b1f7ab4252add92d8afa16effb722543
SSDEEP

384:sAqOouxQefKgnSLyXYL4ynI6usbxF0oC+oRYDbNc:sFFeaWILPnILsDIYFc

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lncom.exe	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe
File created	C:\Windows\SysWOW64\lncom_	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5100	OpenWith.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4696	1736	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe	88
PID 1736 wrote to memory of 4696	1736	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe	88
PID 1736 wrote to memory of 4696	1736	f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe	88

C:\Users\Admin\AppData\Local\Temp\f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe
"C:\Users\Admin\AppData\Local\Temp\f3e31d47972fec4f9e9464966711a5717116193a166de3abea7ccf788593b8ce.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\F3E31D~1.EXE.bat
  2⤵
  PID:4696

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\F3E31D~1.EXE.bat

Filesize
133B

MD5
1cfca48202ce6b71c25038fe19755b6d

SHA1
072d764f57b7659ead42062199c77fe05fe3b5b8

SHA256
a8c55591f86fa199ba97efb05df440bbca6bfbc80b2d8c475c0b02eda1b2a1e7

SHA512
42a450d5523461c7cdaf22c3341c9ee9a5af5aea8b09df7661e8c32fba4bb6d75761d8092e0928a5ccbda83aada3d7ba95dba619e75499d478b65e0b185f0e38

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