fatalrat | 801bfca13856548be36009d457bf0b5c04fde837df84722933a787fb5972ffe2

Analysis

max time kernel
53s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
18-02-2023 11:31

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General

Target

qbcore.dll
Size

180KB
MD5

e532680a840df79887bdacbcd4e47268
SHA1

04b624790d8641d7e0c8767101b5a1ba4607a46b
SHA256

801bfca13856548be36009d457bf0b5c04fde837df84722933a787fb5972ffe2
SHA512

d847cc69c45cc89d6dc1de881cbff4fee66a2f94ad047fe0fc57c6acbfe048ba16befb55708056cff97c8490b9816736a7fd79ccbe02175c11d65ec41e5c5f4c
SSDEEP

3072:CwY6Nf/HNIX5FonuVH/L4XWH1piwTjmPVZr8r+oQYKxYIcnGoDLsL0XpHtg+fJi4:CwYEf/HqSnofL4YGwmNx8SoQYNIcGoPx

Score

10^/10

fatalrat 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 2 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/2796-180-0x0000000001140000-0x000000000118E000-memory.dmp	fatalrat
behavioral1/memory/2796-183-0x0000000001080000-0x00000000010A8000-memory.dmp	fatalrat

Blocklisted process makes network request 2 IoCs

flow	pid	Process
1	2796	rundll32.exe
2	2796	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe
2796	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2796	2660	rundll32.exe	66
PID 2660 wrote to memory of 2796	2660	rundll32.exe	66
PID 2660 wrote to memory of 2796	2660	rundll32.exe	66

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qbcore.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\qbcore.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/2796-121-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-122-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-123-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-124-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-125-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-126-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-127-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-128-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-129-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-130-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-131-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-132-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-133-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-134-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-135-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-136-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-137-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-138-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-139-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-141-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-142-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-144-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-145-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-147-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-149-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-151-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-153-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-156-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-158-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-157-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-155-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-154-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-152-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-150-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-148-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-146-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-143-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-140-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-160-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-159-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-163-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-164-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-162-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-165-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-161-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-166-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-167-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-168-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-169-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-170-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-171-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-172-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-173-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-174-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-175-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-176-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-177-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-178-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-179-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-180-0x0000000001140000-0x000000000118E000-memory.dmp

Filesize
312KB

Download
memory/2796-181-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-182-0x00000000773D0000-0x000000007755E000-memory.dmp

Filesize
1.6MB

Download
memory/2796-183-0x0000000001080000-0x00000000010A8000-memory.dmp

Filesize
160KB

Download