MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d6d15a37df9799adf1e7fdbd65ab162e770fe0952c91c1ff5c91dc40f1ae659. 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: 16


Intelligence 16 IOCs 1 YARA 10 File information Comments

SHA256 hash: 9d6d15a37df9799adf1e7fdbd65ab162e770fe0952c91c1ff5c91dc40f1ae659
SHA3-384 hash: a2f5169237b50cca53690c21b62aa14859de5b23dffd2f9141d7804e49db348cb9a1810aca8536e6f65a2e70bc8c8771
SHA1 hash: a0af9b5d07f9706c7c6b0400d72678d9ebd76817
MD5 hash: e73f31c9d92c587c238158df4efed2b8
humanhash: carolina-edward-wisconsin-freddie
File name:E73F31C9D92C587C238158DF4EFED2B8.exe
Download: download sample
Signature FatalRAT
File size:4'588'032 bytes
First seen:2025-08-12 05:35:30 UTC
Last seen:2025-08-12 14:45:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5976c6fac496b94620428b1203dbfec8 (1 x FatalRAT)
ssdeep 98304:grDFkFxDX1g6YNpRxVF8uxG1Q31bXfYfl/f3EnaDHWlNlz:gHFwxDFKV+GG141bXf2WMHUt
TLSH T1B126331C0422D4A3FA541B7F8908FA903469ACB6A7C2657C2ED0FF9976B1EF8D857D01
TrID 39.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
24.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 7cdcf8f938fcfce0 (1 x FatalRAT)
Reporter abuse_ch
Tags:exe FatalRAT


Avatar
abuse_ch
FatalRAT C2:
154.82.76.10:8081

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
154.82.76.10:8081 https://threatfox.abuse.ch/ioc/1567590/

Intelligence


File Origin
# of uploads :
2
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
fatalrat
ID:
1
File name:
E73F31C9D92C587C238158DF4EFED2B8.exe
Verdict:
Malicious activity
Analysis date:
2025-08-12 05:35:54 UTC
Tags:
upx auto-startup fatalrat rat arch-exec delphi

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

Behaviour
Сreating synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
DNS request
Connection attempt
Searching for synchronization primitives
Searching for the window
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Result
Threat name:
FatalRAT, GhostRat, Nitol
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Signature
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 sleep reduction / modifications
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 API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
Found suspicious ZIP file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
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:
Gathering data
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2025-08-06 20:10:46 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
fatalrat
Score:
  10/10
Tags:
family:fatalrat discovery infostealer rat stealer trojan upx
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in System32 directory
UPX packed file
Drops startup file
Executes dropped EXE
Loads dropped DLL
Fatal Rat payload
FatalRat
Fatalrat family
Unpacked files
SH256 hash:
9d6d15a37df9799adf1e7fdbd65ab162e770fe0952c91c1ff5c91dc40f1ae659
MD5 hash:
e73f31c9d92c587c238158df4efed2b8
SHA1 hash:
a0af9b5d07f9706c7c6b0400d72678d9ebd76817
SH256 hash:
60583a2d3d5c409f99f91d0006b4034731b99eed48fa325bdfe088d3f5b87ed6
MD5 hash:
505157851a5d5227cf4b9e9cf5d63f1a
SHA1 hash:
b140b5d4e56c0097e75c5419ca8f3912445face3
SH256 hash:
305580ff9ce4b54a50b3c85ba1b132592febb4ceea40fe5757b0c27475679339
MD5 hash:
a672e8755f61f80f80d39aebd1121ab6
SHA1 hash:
4be4a392f6aaf4c6ea7010c542d1c3387c249080
SH256 hash:
56299b8ab088f9cca91e8ded231ad631fafd632d6656e906bb9910b33ebead4d
MD5 hash:
fa088de9f713e30d6374b77eae2a8999
SHA1 hash:
2ee08cb0168438864c1b28145b817d900050e4fb
SH256 hash:
da89fd3bc570bc74366f9439410a419eee8d865266c229851e3ff24b93d6dc0b
MD5 hash:
c510e1b7c66d5fb9834c49915eda466e
SHA1 hash:
b0a0761be03e519e10c5e428e1cd48c7f44f9091
SH256 hash:
b1ac2445dfe81d8f63022fd2273cb602f433ae69a68126db9c67f4ad72276374
MD5 hash:
7c2ebb5c2cd93b07cb5b4b13ae35e0c6
SHA1 hash:
e2d4060213fe06c8c294d61d9daf93fc7d56a798
SH256 hash:
b8ddccd61b493fcfc2c42e5434f4482f9ba826de2aa1a6b31de03094f7778d11
MD5 hash:
742f1679a01662317b7c154cddcf7020
SHA1 hash:
103e549bae4a31f2fe02fff47bcb457903749e5f
SH256 hash:
c5ba101135688bd8bf524d8d3abbdf182a1340173273d130e69bf2a24203378d
MD5 hash:
ea91d609e929da8db40e873af0badba5
SHA1 hash:
0b42c1f90363a7c19bb6dc6ed1ec150d440e138f
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MAL_packer_lb_was_detected
Author:0x0d4y
Description:Detect the packer used by Lockbit4.0
Rule name:pe_detect_tls_callbacks
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXProtectorv10x2
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

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
CHECK_TRUST_INFORequires Elevated Execution (uiAccess:None)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments