fatalrat | deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc

Resubmissions

15-01-2023 11:07

230115-m76e7shg6y 10

15-01-2023 10:56

230115-m1na2shf5y 10

15-01-2023 10:45

230115-mttjgshe6s 10

15-01-2023 10:21

230115-md2j6ade23 10

Analysis

max time kernel
137s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2023 10:45

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General

Target

deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe
Size

192KB
MD5

75e80b6baac14a07825c5deb18b4024a
SHA1

da138e3f36f1ac1b49afa07f41738fd4b73e23b2
SHA256

deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc
SHA512

68cbea358fd537a13f48cd21520996960f7acf38b72fe371c069884d7c2acedfdacb50812ec2c60442a67e76cd7e09fcec752efedac119d27cc9071c2bd826e5
SSDEEP

3072:TgutN5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:nSzkPDNGEf

Score

10^/10

fatalrat infostealer persistence rat

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/2456-132-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
1868	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe

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	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe"	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.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 AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe
Token: SeDebugPrivilege	1868	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1868	2456	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe	81
PID 2456 wrote to memory of 1868	2456	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe	81
PID 2456 wrote to memory of 1868	2456	deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe	81

C:\Users\Admin\AppData\Local\Temp\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe
"C:\Users\Admin\AppData\Local\Temp\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe
  "C:\Users\Admin\AppData\Local\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1868

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe

Filesize
192KB

MD5
75e80b6baac14a07825c5deb18b4024a

SHA1
da138e3f36f1ac1b49afa07f41738fd4b73e23b2

SHA256
deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc

SHA512
68cbea358fd537a13f48cd21520996960f7acf38b72fe371c069884d7c2acedfdacb50812ec2c60442a67e76cd7e09fcec752efedac119d27cc9071c2bd826e5

Download Submit
C:\Users\Admin\AppData\Local\deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc.exe

Filesize
192KB

MD5
75e80b6baac14a07825c5deb18b4024a

SHA1
da138e3f36f1ac1b49afa07f41738fd4b73e23b2

SHA256
deb872cd3da638e848ac21bd34ad31a3c2164786a0d4da0316531c62a0b1eebc

SHA512
68cbea358fd537a13f48cd21520996960f7acf38b72fe371c069884d7c2acedfdacb50812ec2c60442a67e76cd7e09fcec752efedac119d27cc9071c2bd826e5

Download Submit
memory/1868-135-0x0000000000000000-mapping.dmp

Download
memory/2456-132-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download