MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4. 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: 15


Intelligence 15 IOCs 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4
SHA3-384 hash: 4670a700d5e4a1a65cb58f358745bddda2203b32ab476d064b7b3b081e9badb316f9663157d678209a22f405434dd673
SHA1 hash: 2aa194334996221c730e027a55d1f94574cffa24
MD5 hash: abf27842cd768eb06f17f432fcd34822
humanhash: coffee-california-orange-stairway
File name:ABF27842CD768EB06F17F432FCD34822.exe
Download: download sample
Signature FatalRAT
Create hunting rule
File size:897'024 bytes
First seen:2025-08-06 23:45:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3a8897c84eb41f36b4bbabcc617408b8 (6 x FatalRAT, 3 x Nitol)
ssdeep 24576:wAO25kx52myML8WH8H9beW0Mweu2m4RvsjVc3j3hYbMG:ROB8Wcdbesw323RyVc3j3hYt
TLSH T1431512C6CD24113AE2B75671681724DCE9F10AF23E7AC57B03E447C93AB12B9B57A243
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:
121.54.190.122:8000

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
121.54.190.122:8000 https://threatfox.abuse.ch/ioc/1565359/

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
fatalrat
Create hunting rule
ID:
1
File name:
ABF27842CD768EB06F17F432FCD34822.exe
Verdict:
Malicious activity
Analysis date:
2025-08-06 23:45:55 UTC
Tags:
fatalrat rat
Link:
https://app.any.run/tasks/40640283-4e09-42fd-b0b5-a2929272f323

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/19394/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6893e94611d7f9b979e643b6
Tags:
vmdetect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Connection attempt
Сreating synchronization primitives
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc obfuscated packed packed safengine_shielden
Link:
https://www.filescan.io/uploads/6893e94a397fd3ce6f9fe99f/reports/25466842-950c-43bb-b2dc-65a3dd3572c3/overview
Verdict:
Malicious
Labled as:
Trojan.PT.Generic
Link:
https://www.hybrid-analysis.com/sample/1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c753394-b2cd-4636-a701-dd438f777b31
Result
Threat name:
FatalRAT, GhostRat, Nitol
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1751877
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Checks if browser processes are running
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
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected FatalRAT
Yara detected GhostRat
Yara detected Nitol
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/abf27842cd768eb06f17f432fcd34822
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4/
Verdict:
Malicious
Threat:
Trojan.Win32.Farfli
Link:
https://tip.neiki.dev/file/1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 20:11:18 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp3xu6eqmln6bk74qgz2yazi7q6pushtg75aqhjvqjrilgljq72a._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250806-3r7w4ahm5w/
Behaviour
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ba1dc046-13bf-425d-bf9c-4a0847d03a50
Unpacked files
SH256 hash:
1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4
MD5 hash:
abf27842cd768eb06f17f432fcd34822
SHA1 hash:
2aa194334996221c730e027a55d1f94574cffa24
Link:
https://www.unpac.me/results/4730c343-3736-458f-9905-cf02f061520f/
SH256 hash:
69cbdb401d6c03f3d64b3bf48d527cb4bf507952f34b170a3d020707fc4ff7be
MD5 hash:
014960b00621ead2d2267bad617a74e9
SHA1 hash:
640534106af63ee5cff7718aee5c459ee5cd609f
Detections:
win_fatal_rat_w0
Create hunting rule
win_younglotus_g0
Create hunting rule
win_fatal_rat_auto
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess
Create hunting rule
MALWARE_Win_FatalRAT
Create hunting rule
Link:
https://www.unpac.me/results/4730c343-3736-458f-9905-cf02f061520f/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1bf77a789062dbe0abfc81b3ac0328fc3cfa48f337fa081d35826285996987f4

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
Create hunting rule
Author:malware-lu
Rule name:Check_DriveSize
Create hunting rule
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:command_and_control
Create hunting rule
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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaaga
Create hunting rule
Author:Harshit
Description:Detects suspicious PowerShell or registry activity
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess
Create hunting rule
Author:ditekSHen
Description:Detects executables calling ClearMyTracksByProcess
Rule name:MALWARE_Win_FatalRAT
Create hunting rule
Author:ditekSHen
Description:Detects FatalRAT
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win32_younglotus
Create hunting rule
Author:Reedus0
Description:Rule for detecting YoungLotus malware
Rule name:Windows_Generic_Threat_7693d7fd
Create hunting rule
Author:Elastic Security
Rule name:win_fatal_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.fatal_rat.
Rule name:win_fatal_rat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/19394/

Comments