fatalrat | ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 15:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe
Size

204KB
MD5

07bbe0ff5e44841b9d7c70f5842e6f9c
SHA1

2d1378a0c674faef3c3a33bade753271fb46644a
SHA256

ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4
SHA512

03fc9b4394b80d6321add868ac285e75c7d8ea0a31823ea89b04d72af14ebec21214b93919388b0adc1a9d37c07eaa9929097a5d0322d2e8a2180ee870ef0e13
SSDEEP

3072:N1ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05fRrJrt:DSzkPDNGEfRrJrt

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/4672-0-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat

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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe

Executes dropped EXE 1 IoCs

pid	Process
212	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe"	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe
Token: SeDebugPrivilege	212	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 212	4672	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe	104
PID 4672 wrote to memory of 212	4672	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe	104
PID 4672 wrote to memory of 212	4672	ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe	104

C:\Users\Admin\AppData\Local\Temp\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe
"C:\Users\Admin\AppData\Local\Temp\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Users\Admin\AppData\Local\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe
  "C:\Users\Admin\AppData\Local\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:212

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4372 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8
1⤵
PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4.exe

Filesize
204KB

MD5
07bbe0ff5e44841b9d7c70f5842e6f9c

SHA1
2d1378a0c674faef3c3a33bade753271fb46644a

SHA256
ca8ca7469f81471f0c4bcfc723c790b179e378c83d81872eee4ed0e1f1318ea4

SHA512
03fc9b4394b80d6321add868ac285e75c7d8ea0a31823ea89b04d72af14ebec21214b93919388b0adc1a9d37c07eaa9929097a5d0322d2e8a2180ee870ef0e13

Download Submit
memory/4672-0-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads