MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92. 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: 19


Intelligence 19 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92
SHA3-384 hash: 3cf7c42c54a88048c18ed26b8e9c5c1665ad0cde36779730fa0271728a949d719f6830be0aeb6ab5195dc9d599496b25
SHA1 hash: 150ab0dd10e35734b038dceb71477336563dbb81
MD5 hash: 4b19f3492b1dcc10d22351a0e2e08020
humanhash: utah-moon-apart-oregon
File name:4b19f3492b1dcc10d22351a0e2e08020.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2024-06-12 16:25:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:ZlmFnqi0lJZtbH9KyM+2VzmiPZMsWer5rAF+rMRTyN/0L+EcoinblneHQM3epzXU:DmSJ95M+2V6iqVe9rM+rMRa8NuMDt
Threatray 1'492 similar samples on MalwareBazaar
TLSH T163031B4D7FE18168C9FD067B05B2E41207BAE04F6D23D90E8EE568DA37636C18B50AF1
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.185.221.20:10324

Intelligence

File Origin
# of uploads :
1
# of downloads :
414
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92.exe
Verdict:
Malicious activity
Analysis date:
2024-06-12 16:26:04 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/d33e2cb8-9e2c-49a7-a1f4-cd8ac9dd2dcc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29039.UNOFFICIAL
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6669cc0bda262547655eb9bdwin7simulatehigh_evasion
Tags:
Banker Execution Generic Network Stealth Atraps Dexter
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
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
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
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
andromeda cmd explorer fingerprint keylogger lolbin netsh njrat rat stealer vbnet
Link:
https://www.filescan.io/uploads/6669cc26ea679c2da91840eb/reports/a50554bf-a574-4f1f-a8dc-e995a8580855/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92
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/640770a0-b7a7-400a-8499-11f650af0888
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1456130
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
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
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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: 1456130 Sample: uhvMKzMmfq.exe Startdate: 12/06/2024 Architecture: WINDOWS Score: 100 38 born-administrative.gl.at.ply.gg 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 14 other signatures 2->48 9 uhvMKzMmfq.exe 1 6 2->9         started        13 svhost.exe 3 2->13         started        15 svhost.exe 2 2->15         started        17 svhost.exe 2 2->17         started        signatures3 process4 file5 32 C:\Windows\svhost.exe, PE32 9->32 dropped 34 C:\Windows\svhost.exe:Zone.Identifier, ASCII 9->34 dropped 36 C:\Users\user\AppData\...\uhvMKzMmfq.exe.log, ASCII 9->36 dropped 58 Drops executables to the windows directory (C:\Windows) and starts them 9->58 19 svhost.exe 2 6 9->19         started        signatures6 process7 dnsIp8 40 born-administrative.gl.at.ply.gg 147.185.221.20, 10324, 49741 SALSGIVERUS United States 19->40 28 C:\...\c6aa749155b3480287d64e2d4a50cdbf.exe, PE32 19->28 dropped 30 c6aa749155b3480287...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 Machine Learning detection for dropped file 19->54 56 5 other signatures 19->56 24 netsh.exe 2 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2024-06-09 15:30:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
36 of 37 (97.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4ehwr3z25wkqbfgr5pxhzskh2kmet7kpikgt4uymczxfssjr6ja._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0a613705ceebf383ab71a0737b60833fa0e89c22d775c1d6cca04a926e88ca29
njrat
0d2e0fcd0d0b7034acb740ce51baa0bec329c0c8547dd7caf2aabb5c91c7dc99
njrat
3b0bcecead0fd4283eef36125258460faf86eebc2977d40805c780bc57469b2b
njrat
502869ac1880a412f2a5d8dae93b506d98acb48f10cdb32bcdc3517fc9721711
njrat
6a65ffab90209b9a5fad0523b2878228f7062afc4679742d1efa0e77f419a8d8
njrat
6d3d9cec199ecf570a4fe0c21c3a0d09b9dabc36f90b609e854740a4fb6510ce
njrat
c7b4072d1237617b13a7613c46e5a4b63bd8e09b7c9eba9409133fdd0aee7b10
njrat
+ 1'482 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/240612-txhdysvgll/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
born-administrative.gl.at.ply.gg:10324
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/babee8e6-647a-4ef1-98b3-c72edf654b07
Unpacked files
SH256 hash:
b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92
MD5 hash:
4b19f3492b1dcc10d22351a0e2e08020
SHA1 hash:
150ab0dd10e35734b038dceb71477336563dbb81
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Andromeda_MalBot_Jun_1A
Create hunting rule
Link:
https://www.unpac.me/results/8b2e2d44-f084-48ea-aa59-8c50b9398039/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b7087b4779d7/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/b7087b4779d76ca804a68f5f73e64a3e94c24fea7a1469f29860b372ca498f92

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:Andromeda_MalBot_Jun_1A
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a malicious Worm Andromeda / RETADUP
Reference:http://blog.trendmicro.com/trendlabs-security-intelligence/information-stealer-found-hitting-israeli-hospitals/
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
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:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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.

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 (HIGH_ENTROPY_VA)high

Comments