MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bd8c74021c24b91c13a04df4530661abffa93afdce275c496e5db9ff0554890. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



FatalRAT


Vendor detections: 19


Intelligence 19 IOCs 1 YARA 18 File information Comments

SHA256 hash: 1bd8c74021c24b91c13a04df4530661abffa93afdce275c496e5db9ff0554890
SHA3-384 hash: efa72168e3374242b0569e48813bc970636de823c0639e67974bec6e41eca97271aa5f5b44da7494265de278cd29e1ad
SHA1 hash: 5be0eda7871d21a35bf39963a712c725cf4495f5
MD5 hash: 5009c9f812e1dc51616d958d2f950957
humanhash: louisiana-cold-winner-florida
File name:5009c9f812e1dc51616d958d2f950957.exe
Download: download sample
Signature FatalRAT
File size:196'608 bytes
First seen:2025-07-14 21:00:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6c306e45fa9f977a2f45c8a08df084d5 (2 x YoungLotus, 2 x FatalRAT)
ssdeep 3072:T1ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:NSzkPDNGEf
Threatray 56 similar samples on MalwareBazaar
TLSH T12414AE4628964779DCCD02B1E13D9A6C119E49E0AA31F8EE572E686B47313D7F1E3307
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe FatalRAT


Avatar
abuse_ch
FatalRAT C2:
156.245.198.81:8081

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
156.245.198.81:8081 https://threatfox.abuse.ch/ioc/1556760/

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
fatalrat
ID:
1
File name:
5009c9f812e1dc51616d958d2f950957.exe
Verdict:
Malicious activity
Analysis date:
2025-07-14 21:01:06 UTC
Tags:
fatalrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
farfli emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a service
Searching for the window
Searching for synchronization primitives
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Moving of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autorun farfli microsoft_visual_cc
Result
Threat name:
FatalRAT, GhostRat, Nitol
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Checks if browser processes are running
Contains functionality of a second stage malware downloader
Contains functionality to access PhysicalDrive, possible boot sector overwrite
Contains functionality to automate explorer (e.g. start an application)
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to determine the online IP of the system
Contains functionality to infect the boot sector
Contains functionality to inject threads in other processes
Creates an undocumented autostart registry key
Found stalling execution ending in API Sleep call
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected FatalRAT
Yara detected GhostRat
Yara detected Nitol
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Backdoor.Zegost
Status:
Malicious
First seen:
2025-07-12 18:29:05 UTC
File Type:
PE (Exe)
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
fatalrat
Score:
  10/10
Tags:
family:fatalrat discovery infostealer rat stealer trojan
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Fatal Rat payload
FatalRat
Fatalrat family
Verdict:
Malicious
Tags:
Win.Trojan.Killmbr-10022827-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Armadillov1xxv2xx
Author:malware-lu
Rule name:Check_DriveSize
Rule name:Check_OutputDebugStringA_iat
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:dgaaga
Author:Harshit
Description:Detects suspicious PowerShell or registry activity
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess
Author:ditekSHen
Description:Detects executables calling ClearMyTracksByProcess
Rule name:MALWARE_Win_FatalRAT
Author:ditekSHen
Description:Detects FatalRAT
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win32_younglotus
Author:Reedus0
Description:Rule for detecting YoungLotus malware
Rule name:Windows_Generic_Threat_7693d7fd
Author:Elastic Security
Rule name:win_fatal_rat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.fatal_rat.
Rule name:win_fatal_rat_w0
Author:AT&T Alien Labs
Description:Detects FatalRAT, unpacked malware.
Reference:https://cybersecurity.att.com/blogs/labs-research/new-sophisticated-rat-in-town-fatalrat-analysis

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA

Comments