MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab
SHA3-384 hash: 6a04dd971c287671052b2bbdbdb2eaa001aa5c113ba36606675a2b10931d27fca91af6db48c579b20e100ca4e510c943
SHA1 hash: 130f4c5de25056add49babfdb2593727b9983b80
MD5 hash: 3e361edc828ebc551573d3e28be3b295
humanhash: arizona-ack-magnesium-lima
File name:3e361edc828ebc551573d3e28be3b295
Download: download sample
Signature njrat
Create hunting rule
File size:47'616 bytes
First seen:2022-10-14 02:33:51 UTC
Last seen:2022-10-20 16:24:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 384:FEnraio1n7S5pbpQyEfhqH0f3IYykxarAF+rMRTyN/0L+EcoinblneHQM3epzXpM:SnT3pLEfgH0AlkYrM+rMRa8NuiUtBA
Threatray 1'490 similar samples on MalwareBazaar
TLSH T1C123F74A3BE08128D4BC453746B2D42707BAEC8B1E13C95E8FE4789F3663594CB46BE5
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 009aa2baaab2b244 (2 x njrat)
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
https://www.cofo.ga/b/WinExpl.exe
Verdict:
Malicious activity
Analysis date:
2022-10-14 07:15:29 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/03b80177-8dfa-4033-be11-375793cc3a14

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/320176/
Detection(s):
Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe fingerprint greyware njrat packed rat stealer windows
Link:
https://www.filescan.io/uploads/6348ca9c5cada2cbc6ec0534/reports/e6b308d2-19b4-4b51-a3d4-6d88464bc894/overview
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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16cbcbcb-857f-41f0-b295-30c14adfea86
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1090410
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Detected njRat
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 723020 Sample: h4Kena5Zl0.exe Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 38 enderop44-36084.portmap.host 2->38 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 13 other signatures 2->48 9 h4Kena5Zl0.exe 1 6 2->9         started        13 WinExplorer.exe 3 2->13         started        15 WinExplorer.exe 2 2->15         started        17 WinExplorer.exe 2 2->17         started        signatures3 process4 file5 32 C:\Windows\WinExplorer.exe, PE32 9->32 dropped 34 C:\Windows\WinExplorer.exe:Zone.Identifier, ASCII 9->34 dropped 36 C:\Users\user\AppData\...\h4Kena5Zl0.exe.log, ASCII 9->36 dropped 58 Drops executables to the windows directory (C:\Windows) and starts them 9->58 19 WinExplorer.exe 2 6 9->19         started        signatures6 process7 dnsIp8 40 enderop44-36084.portmap.host 193.161.193.99, 36084, 49720, 49722 BITREE-ASRU Russian Federation 19->40 28 C:\...\3d331bcce43ca74aba3fe5b393e79935.exe, PE32 19->28 dropped 30 3d331bcce43ca74aba...exe:Zone.Identifier, ASCII 19->30 dropped 50 Antivirus detection for dropped file 19->50 52 Multi AV Scanner detection for dropped file 19->52 54 Protects its processes via BreakOnTermination flag 19->54 56 6 other signatures 19->56 24 netsh.exe 3 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-10-13 23:55:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqflzmpi2aqfxttppdp4i664mx26t4t6ij4vi76bcsobpnh3yovq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
02384895e3cc26b4844744ad987dcbad59a24f03053a5f4f82af768767aac548
njrat
0a9a8f283f2cbe68fecd12991bd75662d3e60b1db10f30ed99539c252703a2ee
njrat
1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c
njrat
329c2259d6015d98464322b873b783d18da6ac1a13d7ec40d1de9f143659b1bb
njrat
6cb0c6c55411375878184fba0feeee93c99c7f184818449e548ef875486ec38a
njrat
a43c0d39f01808746f82c041edad38edbb89334c098311331d3e2733824f6259
njrat
ee7f0f0195c2efe95d6db388a0845ff4e70ee3462bd5ba23976a08ef0eb27da4
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 1'480 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:haxpc evasion persistence trojan
Link:
https://tria.ge/reports/221014-c2fbqachhj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
enderop44-36084.portmap.host:36084
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e1888f4-8e7f-4fe3-9374-193f29bf1f35
Unpacked files
SH256 hash:
4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab
MD5 hash:
3e361edc828ebc551573d3e28be3b295
SHA1 hash:
130f4c5de25056add49babfdb2593727b9983b80
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/b0a207c6-75dd-4b90-a677-a2aa3d68ff64/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

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

Web download

njrat

Executable exe 4c0abcb1e8d0205bce6f78dfc47bdc65f5e9f27e4279547fc1149c17b4fbc3ab

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2374505/
Cape
Cape
https://www.capesandbox.com/analysis/320176/

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