10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3

Analysis

max time kernel
150s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:07

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General

Target

10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe
Size

212KB
MD5

d10b9bcfd269bb710d67ca65a14f8459
SHA1

402d94eb11e6337983bc684407950382a1ad1926
SHA256

10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3
SHA512

ac5529c5c9e87d16597d707762174e5008a9d9fbdbad26fb0c1537f0c6e5ca2069ac05ecb7a2765b5c453d27467ce34755c2fd62c43ecdefa13362ce6082da5a
SSDEEP

3072:DjXuAPYMIGxq5hVF31MzrHcD8asohaiyDVsQ5A:HxIGxq5hVF3if8gaiiaVxA

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Chrofla = "C:\\Windows\\chflash.exe"	10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe

Drops file in Windows directory 1 IoCs

Processes:

10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe

description ioc process

File created C:\Windows\chflash.exe 10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\chflash.exe	10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe

C:\Users\Admin\AppData\Local\Temp\10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe
"C:\Users\Admin\AppData\Local\Temp\10817c54730ae818e9d5e4220caff3420c0738b0ac8026cfa4d4972f6fb9b9f3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/768-132-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/768-133-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/768-134-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download