MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f. 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


njrat


Vendor detections: 18


Intelligence 18 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f
SHA3-384 hash: 34cb5fe6c27be71a57ad31761122b781fcc8f4b78c1b3a8deab4146108e276051f2e570ff2fac8e6772cc3b8495688fd
SHA1 hash: c83283f578b8bf437e30777dd5344ed5ded8b738
MD5 hash: bac17be52da8679b5db3961cc971ce79
humanhash: grey-salami-blue-sink
File name:sss.exe
Download: download sample
Signature njrat
Create hunting rule
File size:809'984 bytes
First seen:2025-02-19 23:34:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:sCqlAOEXF5DUmpCyQnLSk7WRSIARQgUfNKOuCYVcqHXtTg01A+LE0:rbEX7EpMCYeqtg0P
Threatray 1 similar samples on MalwareBazaar
TLSH T12605090DF976BE06CE6C0177922394AC21D2E514BB01E7EBA7E11A972F1BF598CC614C
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter BastianHein
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
740
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
sss.exe
Verdict:
Malicious activity
Analysis date:
2025-02-19 23:36:30 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/49f49f8f-7fd4-470f-9716-36ac5dee3cec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b66ba828ab76d43a5c0ab9
Tags:
micro spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Connection attempt
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Trojan.KT.2.Generic
Link:
https://www.hybrid-analysis.com/sample/4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b3cea03-fc13-4e20-8207-67f4c66dd284
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1619505
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1619505 Sample: sss.exe Startdate: 20/02/2025 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 9 other signatures 2->37 8 sss.exe 1 3 2->8         started        11 server.exe 1 2->11         started        13 server.exe 2->13         started        15 server.exe 2->15         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\server.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\sss.exe.log, ASCII 8->27 dropped 17 server.exe 4 2 8->17         started        process5 dnsIp6 29 127.0.0.1 unknown unknown 17->29 39 Antivirus detection for dropped file 17->39 41 Multi AV Scanner detection for dropped file 17->41 43 Disables zone checking for all users 17->43 45 3 other signatures 17->45 21 netsh.exe 2 17->21         started        signatures7 process8 process9 23 conhost.exe 21->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-19 03:29:41 UTC
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrj6js4piqyz3kx3czo3siezuvztwzgjdx5ryb7ooaj3pow24j7q._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f
njrat
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
Link:
https://tria.ge/reports/250219-3k3c2atkz3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:5552
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b5c8bdb-c91d-4947-adff-4b526cd0db11
Unpacked files
SH256 hash:
4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f
MD5 hash:
bac17be52da8679b5db3961cc971ce79
SHA1 hash:
c83283f578b8bf437e30777dd5344ed5ded8b738
Link:
https://www.unpac.me/results/8b7a62a8-03a5-493f-94b1-b2f2d4ed836f/
SH256 hash:
14d43cb18ddd7827ec9f15fc27051e8dad915010d452755ae4414ed5b0055c04
MD5 hash:
5f006c693c43c9958d5fc5aa816e973e
SHA1 hash:
459102935ffb90f7f40f394cf3a69ed18145ba98
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
NjRat
Create hunting rule
CN_disclosed_20180208_c
Create hunting rule
Njrat
Create hunting rule
win_njrat_bytecodes_oct_2023
Create hunting rule
win_njrat_strings_oct_2023
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/8b7a62a8-03a5-493f-94b1-b2f2d4ed836f/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c53e4cb8f44/report/overview.html
Please 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/4c53e4cb8f44319daafb165db92099a5733b64c91dfb1c07ee7013b7badae27f

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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