fatalrat | 8565b463d7f08ed8e9c0e156a8d6babcb9e84fb5ab841feaa8e4dd9a7af193ec

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08-08-2024 12:13

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General

Target

8565b463d7f08ed8e9c0e156a8d6babcb9e84fb5ab841feaa8e4dd9a7af193ec.dll
Size

300KB
MD5

4c7c154c42a029edc046ac3397b8e3cd
SHA1

c40922d339eee4aa38346c98b090e89ae9206978
SHA256

8565b463d7f08ed8e9c0e156a8d6babcb9e84fb5ab841feaa8e4dd9a7af193ec
SHA512

086115e6b09500b9eb9d9e98df86e09e10909e589a2bb259dac4b57c5c8e7ed5cd3706d461d156530c2959f9e505a1982642eb0ff0ff3de8753c69a9deb2593e
SSDEEP

6144:+m8L9n58PhOPGf8+sN2Xd+n7IS43sgR7iC0Hl5:N8LZ5daA2XM7I3s2O7

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
behavioral1/memory/2076-0-0x00000000001C0000-0x00000000001EB000-memory.dmp	fatalrat

System Location Discovery: System Language Discovery 1 TTPs 1 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:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description	pid	Process
Token: SeDebugPrivilege	2076	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31
PID 2032 wrote to memory of 2076	2032	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8565b463d7f08ed8e9c0e156a8d6babcb9e84fb5ab841feaa8e4dd9a7af193ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8565b463d7f08ed8e9c0e156a8d6babcb9e84fb5ab841feaa8e4dd9a7af193ec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2076-0-0x00000000001C0000-0x00000000001EB000-memory.dmp

Filesize
172KB

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memory/2076-5-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

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