fatalrat | afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db

Analysis

max time kernel
136s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 02:24

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General

Target

afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe
Size

192KB
MD5

43152df794e12063ee12a31d789c04c6
SHA1

b5f9b8ba9c032fa2c1ee680d75823498843a5f41
SHA256

afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db
SHA512

3aeb5895d2c62a4a9d0d09da6146726aa7b6b7db071e7fb8a9fab22d56c1a0f9248f36f2c387aac79dfaa0156a02d10c006733f66d7e1d4134654f39be897134
SSDEEP

3072:91ltw5LZseWDzoPZ6WS6BLfvgaSlpcD+08f:+SzkPDNGVf

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

Detects executables calling ClearMyTracksByProcess 1 IoCs

resource	yara_rule
behavioral2/memory/4712-0-0x0000000010000000-0x000000001002A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/4712-0-0x0000000010000000-0x000000001002A000-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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe

Executes dropped EXE 1 IoCs

pid	Process
4048	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe"	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.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	4712	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe
Token: SeDebugPrivilege	4048	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4048	4712	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe	90
PID 4712 wrote to memory of 4048	4712	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe	90
PID 4712 wrote to memory of 4048	4712	afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe	90

C:\Users\Admin\AppData\Local\Temp\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe
"C:\Users\Admin\AppData\Local\Temp\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe
  "C:\Users\Admin\AppData\Local\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4048

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 --field-trial-handle=3804,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:1008

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

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Downloads

C:\Users\Admin\AppData\Local\afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db.exe

Filesize
192KB

MD5
43152df794e12063ee12a31d789c04c6

SHA1
b5f9b8ba9c032fa2c1ee680d75823498843a5f41

SHA256
afd07970c1ec3cb7e7ee33a6cd158a92a8cfd0e1279f9fa962ab067d990e53db

SHA512
3aeb5895d2c62a4a9d0d09da6146726aa7b6b7db071e7fb8a9fab22d56c1a0f9248f36f2c387aac79dfaa0156a02d10c006733f66d7e1d4134654f39be897134

Download Submit
memory/4712-5-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4712-0-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads