fatalrat | f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9ba

Analysis

max time kernel
112s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 12:57

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General

Target

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
Size

192KB
MD5

800c4b1240ffd3ff3013a8dcdff35c50
SHA1

07b112cc5599359834af739d5f2b18080a5dd2cf
SHA256

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9ba
SHA512

c40ffe226dd746e7c497c705fecf9445ca1f7a87b8aeefc2121ee39dfefb50102973209a3f4ada823d2950c178a1900bbd9235c027ba3db40376064bb4cc630a
SSDEEP

3072:I1ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:cSzkPDNGEf

Score

10^/10

fatalrat discovery infostealer 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

Processes:

resource	yara_rule
behavioral2/memory/1932-0-0x0000000010000000-0x000000001002A000-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

Processes:

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

Executes dropped EXE 1 IoCs

Processes:

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

pid process

2672 f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2672	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exef8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exef8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

description	pid	process
Token: SeDebugPrivilege	1932	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
Token: SeDebugPrivilege	2672	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

description	pid	process	target process
PID 1932 wrote to memory of 2672	1932	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
PID 1932 wrote to memory of 2672	1932	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
PID 1932 wrote to memory of 2672	1932	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe	f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

C:\Users\Admin\AppData\Local\Temp\f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
"C:\Users\Admin\AppData\Local\Temp\f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe
  "C:\Users\Admin\AppData\Local\f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9baN.exe

Filesize
192KB

MD5
800c4b1240ffd3ff3013a8dcdff35c50

SHA1
07b112cc5599359834af739d5f2b18080a5dd2cf

SHA256
f8f3081f1744c0ca6f2e1236b1b7f93e836b008e2cac038668e20559c94eb9ba

SHA512
c40ffe226dd746e7c497c705fecf9445ca1f7a87b8aeefc2121ee39dfefb50102973209a3f4ada823d2950c178a1900bbd9235c027ba3db40376064bb4cc630a

Download Submit
memory/1932-0-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/1932-5-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download