MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c
SHA3-384 hash: 7142f53a8d86061d6d0e9c969eb8ceafcb2587e77b4ffdb5a0956d91207d8df3154c53476c3d6c7f308f8612f730fded
SHA1 hash: d5d09b34c23b79aa9ea3b607846b802934dbd0ed
MD5 hash: 7e96028ca8f29b806442ce49d3494392
humanhash: lion-diet-enemy-west
File name:u.exe
Download: download sample
Signature njrat
Create hunting rule
File size:91'648 bytes
First seen:2022-02-01 15:29:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 768:V5yBVd7RpcnueVmSU2Ip4jBqltCF0AxEjenoB69+Fx:V5yBH7RWueVmSFHBWAxEjc+
Threatray 4'540 similar samples on MalwareBazaar
TLSH T1C893B8E2B516CDC8D81E07F14C76962001765E4E88A5D50E34EA3E3FB7B33533896DAA
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter r3dbU7z
Tags:exe NjRAT

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
111.90.149.115:10443 https://threatfox.abuse.ch/ioc/373954/

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/229198/
Detection(s):
Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
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

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Searching for synchronization primitives
DNS request
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the system32 subdirectories
Creating a file in the %AppData% subdirectories
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Launching the process to change network settings
Running batch commands
Launching a process
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe
Link:
https://www.filescan.io/uploads/61f9520118d1bfdde4e71bbb/reports/aa5c0cb4-5672-4223-b709-3a8aba08895d/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:
Malicious
Link:
https://analyze.intezer.com/analyses/e3f661a3-1ae4-4b0e-8704-4743553e0a37
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/931784
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
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 564262 Sample: u.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 14 other signatures 2->66 8 u.exe 1 5 2->8         started        11 UPDATE.exe 1 5 2->11         started        14 UPDATE.exe 2 2->14         started        16 UPDATE.exe 2 2->16         started        process3 file4 54 C:\ProgramData\UPDATE.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\...\u.exe.log, ASCII 8->56 dropped 18 UPDATE.exe 3 6 8->18         started        78 Creates autostart registry keys with suspicious names 11->78 23 cmd.exe 1 11->23         started        25 netsh.exe 3 11->25         started        27 netsh.exe 3 11->27         started        signatures5 process6 dnsIp7 58 111.90.149.115, 10443, 49749, 49756 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 18->58 52 C:\...\ae737bef99f33f911fff47d5bcdc74c0.exe, PE32 18->52 dropped 68 Antivirus detection for dropped file 18->68 70 Multi AV Scanner detection for dropped file 18->70 72 Protects its processes via BreakOnTermination flag 18->72 76 4 other signatures 18->76 29 cmd.exe 1 18->29         started        32 netsh.exe 1 3 18->32         started        34 netsh.exe 3 18->34         started        74 Uses ping.exe to sleep 23->74 36 conhost.exe 23->36         started        38 PING.EXE 1 23->38         started        40 conhost.exe 25->40         started        42 conhost.exe 27->42         started        file8 signatures9 process10 signatures11 80 Uses ping.exe to sleep 29->80 82 Uses ping.exe to check the status of other devices and networks 29->82 44 conhost.exe 29->44         started        46 PING.EXE 1 29->46         started        48 conhost.exe 32->48         started        50 conhost.exe 34->50         started        process12
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-02-01 15:30:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzpw2tevknn2oyhrelbn5yzxjbil2xafq7v52ow54l2szyi4qvwa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
04fff548a2cd1d270da29dce776527f4a110fe9f8cbd80a49a39c40c55a47202
njrat
061d0bf70bd333159f63aa7bf4f05d51c6056e634df5fc2368f376b54585b530
njrat
1cfa7d9edcfe5a277e5c7f20e702a6b2cfd652e6f812b8203f5ed8fa9070994d
njrat
88019b018015f33c8ca9290a531027e90eae517f6b590fb1711de81ff222ed98
njrat
8f83d97afb25938e23097c6a3a79061c12c558b6a51e23878355034155c2f709
njrat
a0fb8417720da120c09f19ad62030bf1dc7f51b74326582f2f9d4488d426a800
njrat
a155f3d9a75271823b77574f7d694db31ced6555cb6970c2b224f3ff5b0c80e7
njrat
e0ba6af5f371f64548b29d2abb11a8e01cec53aed1a3af8e6d70813ce8732e83
njrat
f2da3d1410c5058720a4307acf5fec7fc2b54285be9dd89eae108cce368dcde7
njrat
+ 4'530 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:prueba
Link:
https://tria.ge/reports/220201-sxgxragfej/
Malware Config
C2 Extraction:
111.90.149.115:10443
Unpacked files
SH256 hash:
3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c
MD5 hash:
7e96028ca8f29b806442ce49d3494392
SHA1 hash:
d5d09b34c23b79aa9ea3b607846b802934dbd0ed
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/523a44ca-0c0c-45aa-b386-2bdd9d156dcc/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3e5f6d4c9553/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c

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: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: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 3e5f6d4c95535ba760f122c2dee3374850bd5c0587ebdd3adde2f52ce11c856c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/229198/

Comments