MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba. 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 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba
SHA3-384 hash: 7f6f20bf42a8c1dac5643984222a1ca90ee402ef6de2d84cb7c531561051486e9600f60666cfb4b06374cf71aaad84f1
SHA1 hash: 5ae135912754c2348460fa4ce221d637de1a36e4
MD5 hash: 352336c4bc2f0db999e86abb065598d8
humanhash: muppet-double-jersey-earth
File name:352336c4bc2f0db999e86abb065598d8.exe
Download: download sample
Signature njrat
Create hunting rule
File size:3'199'380 bytes
First seen:2024-12-10 01:45:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e3fd64aa4446c9293cbc88d0f6cebf06 (1 x njrat, 1 x DCRat, 1 x CoinMiner)
ssdeep 49152:AHD9PlCsjRnB8Bc4GNFq3GoTapL8Fa75/XlkEQGfSk0oJ0wnnrT3:kZPlpnmBc4GNoXTa8aVdkEQK38wH3
TLSH T1D2E5230AE7E405F8E0B7E67889574903E77ABC4A4772978F13A4166A2F23390DD3D721
TrID 76.9% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10522/11/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.5% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (882 x DCRat, 479 x NirCmd, 172 x RedLineStealer)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
45.83.207.236:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.83.207.236:5552 https://threatfox.abuse.ch/ioc/1353965/

Intelligence

File Origin
# of uploads :
1
# of downloads :
481
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
352336c4bc2f0db999e86abb065598d8.exe
Verdict:
Malicious activity
Analysis date:
2024-12-10 01:46:19 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/14dbabb2-74b4-4d3a-b153-aab9c4ef3b0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader20.37382.13177.17630.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67579d5c4a662cb526573baa
Tags:
bladabindi autorun nymaim emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm bladabindi cmd explorer fingerprint fingerprint installer keylogger lolbin microsoft_visual_cc netsh njrat overlay packed packed packer_detected rat sfx windows
Link:
https://www.filescan.io/uploads/67579d5c988d701579b91c0c/reports/e26d636c-b484-4c81-b7c0-88ea3f2bbdfd/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f77b4727-56cf-403c-a977-18cf2ea1dbab
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1572049
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files to the user root directory
Drops PE files with benign system names
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
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
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: 1572049 Sample: a765McmEx6.exe Startdate: 10/12/2024 Architecture: WINDOWS Score: 100 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 14 other signatures 2->51 9 a765McmEx6.exe 19 2->9         started        process3 file4 37 C:\Users\user\Desktop\Pakg.exe, PE32 9->37 dropped 39 C:\Users\user\Desktop\Happy new - .exe, PE32+ 9->39 dropped 12 Pakg.exe 1 5 9->12         started        16 Happy new - .exe 9->16         started        process5 file6 41 C:\Users\user\UserOOBEBroker.exe, PE32 12->41 dropped 61 Antivirus detection for dropped file 12->61 63 Multi AV Scanner detection for dropped file 12->63 65 Machine Learning detection for dropped file 12->65 67 Drops PE files to the user root directory 12->67 18 UserOOBEBroker.exe 2 9 12->18         started        signatures7 process8 dnsIp9 43 45.83.207.236, 49739, 5552 CLOUVIDERClouvider-GlobalASNGB Netherlands 18->43 31 C:\svchost.exe, PE32 18->31 dropped 33 C:\...\c932779fadb451b44351b10e6e56bf73.exe, PE32 18->33 dropped 35 C:\autorun.inf, Microsoft 18->35 dropped 53 Antivirus detection for dropped file 18->53 55 Multi AV Scanner detection for dropped file 18->55 57 Protects its processes via BreakOnTermination flag 18->57 59 7 other signatures 18->59 23 taskkill.exe 1 18->23         started        25 netsh.exe 2 18->25         started        file10 signatures11 process12 process13 27 conhost.exe 23->27         started        29 conhost.exe 25->29         started       
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-12-05 02:51:53 UTC
File Type:
PE+ (Exe)
Extracted files:
110
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pl2g4rn5xmwrxfzrqqofzeaay5rvw7m5lhuohyzfbd7callbgk5a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked discovery evasion persistence privilege_escalation trojan
Link:
https://tria.ge/reports/241210-b6y4ystqen/
Behaviour
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops autorun.inf file
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
45.83.207.236:5552
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5cac3c22-f252-4f6c-bbd9-6302ebb239ee
Unpacked files
SH256 hash:
99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3
MD5 hash:
67931560029cc67967f024e3c42c107a
SHA1 hash:
fed599a8ee2a821e9f93109d1e660118ff3f0451
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/0bebc2b5-d5fe-422d-a44b-e2b0aa63eacd/
Parent samples :
7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba
99e3e8a30f946770b612f530e63f0448d4e0dc261d165918b09abd2dd67d08c3
SH256 hash:
9474d988fb6b33f021ca2c9f2dad18d1a0d3b48c9249d8f94465f81bba4154fa
MD5 hash:
c6bd70a2120cc3746df3ba4bce4fe00a
SHA1 hash:
91ab9936cf0ec1ec586cc6630c7d1cab6945367d
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
Link:
https://www.unpac.me/results/0bebc2b5-d5fe-422d-a44b-e2b0aa63eacd/
SH256 hash:
7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba
MD5 hash:
352336c4bc2f0db999e86abb065598d8
SHA1 hash:
5ae135912754c2348460fa4ce221d637de1a36e4
Link:
https://www.unpac.me/results/0bebc2b5-d5fe-422d-a44b-e2b0aa63eacd/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7af46e45bdbb/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/7af46e45bdbb2d1b9731841c5c9000c7635b7d9d59e8e3e32508fe202d6132ba

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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