MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3
SHA3-384 hash: c35edd5f283810d0585f9a0916ae2a4939f332ff6b18abc0f502ac41885fb13557781fdcaf01accc8e358d32a4fcacf5
SHA1 hash: a4ca53bf00d4282c3dc58f18884df8906acf9ee4
MD5 hash: ee332cae07f061eb5e5ffc5e60dd4300
humanhash: two-pizza-nineteen-three
File name:bTzk.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2024-02-06 17:07:56 UTC
Last seen:2024-02-22 01:07:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:n0bUe5XB4e0X+Od+SjgkMFWTTtTUFQqz9CObbj:sT9Bud8SjeC0bj
TLSH T1FEE209467BE58115D6BC1AF88CB313110772E3478432EB6F5CDC88DA4B676D04295EEE
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
6
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/474911/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Win.Dropper.Detected-9941784-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
njrat
Link:
https://www.filescan.io/uploads/65c26773f5335eeacdb69bfa/reports/141fbad4-ddd3-43f6-b5a0-05e66cb1b0c8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3
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/cb00779a-b0c6-4e60-85b3-4e3a63983a83
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1387712
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-02-06 17:08:05 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2lcsri3rieqqnhznplgramevv5brkwngn4ede7sopdxs3r4agzq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat
Link:
https://tria.ge/reports/240206-vnjfbsbff7/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Malware Config
C2 Extraction:
nuevosecua.duckdns.org:2054
Unpacked files
SH256 hash:
8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3
MD5 hash:
ee332cae07f061eb5e5ffc5e60dd4300
SHA1 hash:
a4ca53bf00d4282c3dc58f18884df8906acf9ee4
Detections:
win_njrat
Create hunting rule
Link:
https://www.unpac.me/results/bfb25613-19eb-4f5a-b6c3-bac6f1683950/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e9629451b8a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

njrat

Executable exe 8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3

(this sample)

  
Link
https://www.virustotal.com/gui/file/8e9629451b8a090834f96bd6688184ad7a18aacd33784193f273c7796e3c01b3/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/474911/

Comments