MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b. 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 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b
SHA3-384 hash: 750d7b966835293cad497e41aea8287a08457b389737dcd36ef773953776d79bd3f8ccbd241295c2aefa69e3497b1693
SHA1 hash: a52c3132037d38e65eda78eee0751960443c4971
MD5 hash: 2477a3a3bf7b50cea7897e0db8d3c3c6
humanhash: wisconsin-diet-cold-emma
File name:2477a3a3bf7b50cea7897e0db8d3c3c6.exe
Download: download sample
Signature njrat
Create hunting rule
File size:71'168 bytes
First seen:2022-09-03 12:05:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 1536:Nf8gLxFyqBDBSgmU9YWZKG1f502C8bXtIOnLwJM5FY4S:x801FBXmaYWZp50f8bXtIOnLwJM5FYh
TLSH T15063C80F96D479EEE02BA7B35D5BDE4EA639B9136C09CF092261074F51620CEE207D93
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
51.38.112.16:6522

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
51.38.112.16:6522 https://threatfox.abuse.ch/ioc/847598/

Intelligence

File Origin
# of uploads :
1
# of downloads :
540
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
2477a3a3bf7b50cea7897e0db8d3c3c6.exe
Verdict:
Malicious activity
Analysis date:
2022-09-03 12:08:28 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/e8f4ebbc-7d23-43d0-82d4-e85c7b82aad8

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/307591/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Сreating synchronization primitives
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Creating a window
Using the Windows Management Instrumentation requests
Running batch commands
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:
azorult packed
Link:
https://www.filescan.io/uploads/6313432cb3d460179f368108/reports/6cccc72e-e8db-47db-be04-db11eec8fd14/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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9655e489-94ed-4799-83bf-0c98f407245c
Result
Threat name:
njRat, AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1064511
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 PE files to the startup folder
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697034 Sample: Tkp1pk6OCL.exe Startdate: 03/09/2022 Architecture: WINDOWS Score: 100 43 dc1337.ddns.net 2->43 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 17 other signatures 2->51 9 Tkp1pk6OCL.exe 5 2->9         started        13 RegAsm.exe 2 2->13         started        15 RegAsm.exe 1 2->15         started        17 RegAsm.exe 1 2->17         started        signatures3 process4 file5 39 C:\Users\user\Acrobat DC\AcroDC.exe, PE32 9->39 dropped 41 C:\Users\user\AppData\...\Tkp1pk6OCL.exe.log, ASCII 9->41 dropped 61 Writes to foreign memory regions 9->61 63 Allocates memory in foreign processes 9->63 65 Injects a PE file into a foreign processes 9->65 19 RegAsm.exe 4 3 9->19         started        23 powershell.exe 24 9->23         started        25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 17->29         started        signatures6 process7 file8 37 C:\...\eb4ebdbc1d7720bced49c9bfa3ff4813.exe, PE32 19->37 dropped 53 Creates autostart registry keys with suspicious names 19->53 55 Drops PE files to the startup folder 19->55 57 Creates an autostart registry key pointing to binary in C:\Windows 19->57 59 2 other signatures 19->59 31 netsh.exe 3 19->31         started        33 conhost.exe 23->33         started        signatures9 process10 process11 35 conhost.exe 31->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b/
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Create hunting rule
Status:
Malicious
First seen:
2022-08-31 15:11:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 25 (80.00%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jav6zrskcgzvszzqqiucalljvjbjef4nklzejb2i2izddurd3wfq._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:njrat botnet:acrodc botnet:synctest evasion persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220903-n9qm7shca6/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Windows Firewall
Async RAT payload
AsyncRat
njRAT/Bladabindi
Malware Config
C2 Extraction:
dc1337.ddns.net:6522
dc1337.ddns.net:6606
dc1337.ddns.net:7707
dc1337.ddns.net:8808
Unpacked files
SH256 hash:
efca3e7d24a015920c916d2140d8afbf9526564250beef09365b0e4f2e93beca
MD5 hash:
cb0d78c98ec22e91975c85643517dd20
SHA1 hash:
49803e5ad6f0a60c00c585868e565d6cdae21479
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/453c3a5e-541a-467d-84c7-a5698ffc512f/
Parent samples :
482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b
d033baa14faa7ebfc3eee9b3900a6a3851ddb738ea27a09c6408011cbc6464df
SH256 hash:
482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b
MD5 hash:
2477a3a3bf7b50cea7897e0db8d3c3c6
SHA1 hash:
a52c3132037d38e65eda78eee0751960443c4971
Link:
https://www.unpac.me/results/453c3a5e-541a-467d-84c7-a5698ffc512f/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/482becc64a11/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/482becc64a11b35967308228202d69aa4292178d52f2448748d23231d223dd8b

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
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.

Cape
Cape
https://www.capesandbox.com/analysis/307591/

Comments