MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c
SHA3-384 hash: 2d7efae12ca3d4a9e93b014ead3f840d38f215ba575bf3055993905f52a987188de956a6a930a5794b584cb80a63cb3f
SHA1 hash: 5d2422bff61c219a6f3d2974e99c310eab1657b5
MD5 hash: 8a9c5b9db9e0bca2aa8155197462650c
humanhash: robert-arkansas-march-carbon
File name:Cryptded_protected.sfx.bin
Download: download sample
Signature njrat
Create hunting rule
File size:1'793'073 bytes
First seen:2022-07-11 12:18:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9f6a32bb8b03dce37903edbc855ba1 (28 x CryptOne, 18 x RedLineStealer, 15 x njrat)
ssdeep 49152:5unRfExEAUfnX5pBYMDy3AmBHLbWGJ7EJbl2R2yM:5KixTUfnX5p63Am9vWGJ7EpkR3M
Threatray 1'529 similar samples on MalwareBazaar
TLSH T1218523557AC151B0D431193809E99735BA3CBD212B3A4EDBAB9C2E2C2F340D1793ABD7
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter KdssSupport
Tags:exe NjRAT


Avatar
KdssSupport
Uploaded with API

Intelligence

File Origin
# of uploads :
1
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
Cryptded_protected.sfx.exe
Verdict:
Malicious activity
Analysis date:
2022-07-10 17:08:42 UTC
Tags:
stealer rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/816eff91-45fd-4ab9-8808-dca191a0dd58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/286213/
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

SecuriteInfo.com.Trojan.Uztuby.4.21386.15255.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for analyzing tools
Launching a process
Creating a process with a hidden window
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the %AppData% directory
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Launching a tool to kill processes
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/25056/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/62cc158981790e51fe576a89/reports/bd1c4b7f-0a5e-416d-a499-b40d324ce307/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1789b8e4-e07c-42b5-a5ba-9b2d9055c02b
Result
Threat name:
44Caliber Stealer, Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028917
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to hide user accounts
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Drops PE files with benign system names
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
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
PE file contains section with special chars
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops fake system file at system root drive
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Yara detected 44Caliber Stealer
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 661410 Sample: Cryptded_protected.sfx.bin Startdate: 11/07/2022 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 Antivirus detection for dropped file 2->71 73 18 other signatures 2->73 10 Cryptded_protected.sfx.exe 8 2->10         started        13 svhost.exe 2->13         started        15 svhost.exe 2->15         started        17 svhost.exe 2->17         started        process3 file4 59 C:\Users\user\...\Cryptded_protected.exe, PE32 10->59 dropped 19 Cryptded_protected.exe 3 10->19         started        process5 file6 53 C:\Users\user\AppData\...\Umbrella.flv.exe, PE32 19->53 dropped 55 C:\Users\user\AppData\...\Insidious (2).exe, PE32 19->55 dropped 83 Antivirus detection for dropped file 19->83 85 Multi AV Scanner detection for dropped file 19->85 87 Detected unpacking (changes PE section rights) 19->87 89 3 other signatures 19->89 23 Umbrella.flv.exe 1 5 19->23         started        27 Insidious (2).exe 14 38 19->27         started        30 powershell.exe 9 19->30         started        signatures7 process8 dnsIp9 57 C:\Users\user\AppData\Roaming\svhost.exe, PE32 23->57 dropped 91 Antivirus detection for dropped file 23->91 93 Multi AV Scanner detection for dropped file 23->93 95 Machine Learning detection for dropped file 23->95 32 svhost.exe 2 9 23->32         started        63 freegeoip.app 188.114.96.3, 443, 49769 CLOUDFLARENETUS European Union 27->63 65 ipbase.com 75.2.60.5, 443, 49770 AMAZON-02US United States 27->65 97 Tries to harvest and steal browser information (history, passwords, etc) 27->97 99 Tries to steal Crypto Currency Wallets 27->99 37 conhost.exe 30->37         started        file10 signatures11 process12 dnsIp13 61 37.235.54.26, 2142, 49810, 49820 HSO-GROUPGB European Union 32->61 47 C:\svchost.exe, PE32 32->47 dropped 49 C:\...\cbf292fcc15f8937d92f60f5f6be68ce.exe, PE32 32->49 dropped 51 C:\autorun.inf, Microsoft 32->51 dropped 75 Antivirus detection for dropped file 32->75 77 Multi AV Scanner detection for dropped file 32->77 79 Protects its processes via BreakOnTermination flag 32->79 81 7 other signatures 32->81 39 netsh.exe 32->39         started        41 taskkill.exe 32->41         started        file14 signatures15 process16 process17 43 conhost.exe 39->43         started        45 conhost.exe 41->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-07-11 12:19:14 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa4qnrtq6cte3pk7httygvhpbadr3ofxfdb65e7vkgk5u2h5puoa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
3210772860f0a22acd9e1d179a20f9d1dd23ef7f79a8dca7c8bac06c59877fe2
njrat
46de8f7362971390c40f26d102a521d17d4aa6a8ab3d14b8e08b81610a691cac
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
8e16230a9d5336fb1d6c6278b45e3b653aa2f6cd060742f28cd68d6a5117a396
njrat
a0de3c7f5026e72496e15c3fcb24947aa54e2d615bed91bc8f44fd07a2553b44
njrat
d31dd64e3df970a07d7a59d0f2d65d12dfeb09fb48605daedcb2863f6bc7c77e
njrat
dd08f8f4064603778ab013b6a8b0f80b22c5acc6d249a59d097bdedf0e7ece49
njrat
fb4e1ee6f7fb1b22dd7b4f011ffadab81337cfe2d8171219b49df67e814ce5ef
njrat
+ 1'519 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:44caliber family:njrat evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/220711-pg6z6aghhn/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Windows Firewall
44Caliber
njRAT/Bladabindi
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/963884131157168128/l7y0A3as75Se94o7XMk4zXPVahSSRfUXKz2j0cONgRgga6ZiO0oAtr3nqCmT9TlwHPnJ
Unpacked files
SH256 hash:
0c8427d5f81156fa9b2e6d536ff846882d97b8b70bfeed5a68f16e6d57f4021e
MD5 hash:
4e6473e93bab9e7ed068a3f7bc55533e
SHA1 hash:
6005c48f7ae53cd91b8b2002d7e410482e006fd6
Link:
https://www.unpac.me/results/14ec2841-85b8-4ac4-8230-e87bac97ce2a/
SH256 hash:
283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c
MD5 hash:
8a9c5b9db9e0bca2aa8155197462650c
SHA1 hash:
5d2422bff61c219a6f3d2974e99c310eab1657b5
Link:
https://www.unpac.me/results/14ec2841-85b8-4ac4-8230-e87bac97ce2a/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/283906c670f0/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/283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Web download

njrat

Executable exe 283906c670f0a64dbd5f3ce78354ef08071db8b728c3ee93f55195da68fd7d1c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/286213/

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