MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f
SHA3-384 hash: fa785b4fc026a61e578fb034b6c5ec7c9c98724c6e61f1dc937e8b5b737542123131fa08a3578026510ead9e903f1ddd
SHA1 hash: a403efd98438432f1beaab845f45b6aa0f1e4d98
MD5 hash: 0e9bbf130c496a3ab72cd769e8cd539a
humanhash: queen-winter-undress-lamp
File name:4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f
Download: download sample
Signature njrat
Create hunting rule
File size:239'104 bytes
First seen:2021-09-14 06:35:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'649 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 3072:TCVUBhIbE0W02CECXtpaqGwlkZfIVvHw8+tMa1WXUDdg+KJJJAHHaS:GtbEvVC/eKmIQicm
Threatray 179 similar samples on MalwareBazaar
TLSH T111343B2429EE901AF173AFB56FE475D7DE5FFB632703906E109003878722982ED9153A
dhash icon 414545c0d4c05503 (37 x njrat, 3 x AsyncRAT, 1 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
439
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f
Verdict:
Malicious activity
Analysis date:
2021-09-14 06:42:56 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/6e930a67-5ec4-415c-baab-5a80ef4b4767

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/187659/
Detection(s):
Win.Malware.Ursu-7458687-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61750a339a5a1e91c5d1ffbb/reports/ba71cca2-13e9-4302-a7d4-ebd7a3a5119d/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b529bb9a-f336-40bc-bc4e-d6a9087480fe
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850691
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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
Protects its processes via BreakOnTermination flag
Uses dynamic DNS services
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: 483121 Sample: T4R2bqhwTB Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 39 tradingrecovery.duckdns.org 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 11 other signatures 2->49 9 T4R2bqhwTB.exe 4 2->9         started        12 Runtime Broker.exe 1 2->12         started        14 Runtime Broker.exe 2->14         started        16 Runtime Broker.exe 2->16         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\Runtime Broker.exe, PE32 9->33 dropped 35 C:\...\Runtime Broker.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\...\T4R2bqhwTB.exe.log, ASCII 9->37 dropped 18 Runtime Broker.exe 3 5 9->18         started        process6 dnsIp7 41 tradingrecovery.duckdns.org 177.22.115.137, 1177, 49758, 49759 NetvoxTelecomunicacoesLTDABR Brazil 18->41 27 C:\...\dbbf1042b66c5304a783d4eff25120c4.exe, PE32 18->27 dropped 29 C:\Users\user\...\Runtime Broker.exe.tmp, ASCII 18->29 dropped 31 dbbf1042b66c5304a7...exe:Zone.Identifier, ASCII 18->31 dropped 51 Protects its processes via BreakOnTermination flag 18->51 53 Creates autostart registry keys with suspicious names 18->53 23 netsh.exe 1 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-09-11 08:15:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
26 of 45 (57.78%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
048cc9b5192aaf602f1c1cb21caf8b5c8e96b8f51f32ff010dbc7e669d5f856d
njrat
4500ccf59d93041b081e3ba5e60be483ab84f9e08f1f00045f6c6a0138e8b787
njrat
c1911013a12f40b0a1f344eec88f2fba5a5f505335feec6c0a54a6e23cb66564
njrat
ce1608cdb307cecf3b38f233b388214717da84bf2a04caf67ab656aeedf5e871
njrat
dc8a2332c245f1019a3c08c53f649f0bf1ea42fad18c90fea68ac4aa1eb387aa
njrat
e3becebe6f828848ceec329ec8e933913466add0652a0d05b0e67042497b7a4e
njrat
e929f1289f145ca3b34a7970ad5ee02c90851d95ae3142ee0e09a76a4ac7d234
njrat
f02f557a59201bb4072b6c3b572a1b19797b8c537554dd0f79f85c8dd4746109
njrat
fc08885434f9b2677ca7076bc2651218335dfb40141fa7fe49558bd3c7eb4e5a
njrat
ff06c54cab0bdcb0cea8c47f5ef001b2fc917ba857a0d14308ab7211408ba608
njrat
+ 169 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/210914-hcydwsfba2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
tradingrecovery.duckdns.org:1177
Unpacked files
SH256 hash:
8189f55d2e74db7f1fff921c7f67991d76f2f3785a5e15d37ebbfc706a7cf3bd
MD5 hash:
f961abfb57993b0dca88fc93838cc787
SHA1 hash:
caeb209f90a3bbfc8933a592c29eb4a0e3cacb4e
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/4e3e6dcd-f9d1-4e85-95d7-749a44c3a32d/
SH256 hash:
4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f
MD5 hash:
0e9bbf130c496a3ab72cd769e8cd539a
SHA1 hash:
a403efd98438432f1beaab845f45b6aa0f1e4d98
Link:
https://www.unpac.me/results/4e3e6dcd-f9d1-4e85-95d7-749a44c3a32d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/4e7678bfa4bd0656d406b6452f501cb54fcc6ddc7c9debde66fda39415c2222f

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/187659/

Comments