MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11a7a7680b19929f2c608b02c89a6dca5397f5af559b3fb7d111f57da70299ab. 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 6 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11a7a7680b19929f2c608b02c89a6dca5397f5af559b3fb7d111f57da70299ab
SHA3-384 hash: 58b5e0afd103a09787746f0c907afb07fead56150bacc663ef22c6649523ada34bae251e23881b978737a4dda5ab5a5c
SHA1 hash: 29e4d3e01ce116920de02bb9c90fbb001b2cf242
MD5 hash: 20ec57c0cbb930553bb5c475bdbfc06f
humanhash: iowa-december-table-three
File name:20EC57C0CBB930553BB5C475BDBFC06F.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2021-04-02 07:00:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:OcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZkN:B30py6vhxaRpcnuD
Threatray 600 similar samples on MalwareBazaar
TLSH 25B21A4F3FA98866D5BC177486A5965003B0A1870423EE2FCCC554CBAFB36D92D4CAF9
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.22.30.40:16361

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.22.30.40:16361 https://threatfox.abuse.ch/ioc/6455/
3.134.125.175:16361 https://threatfox.abuse.ch/ioc/6456/
3.17.7.232:16361 https://threatfox.abuse.ch/ioc/6457/
3.14.182.203:16361 https://threatfox.abuse.ch/ioc/6458/
3.13.191.225:16361 https://threatfox.abuse.ch/ioc/6459/
3.134.39.220:16361 https://threatfox.abuse.ch/ioc/6460/

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20EC57C0CBB930553BB5C475BDBFC06F.exe
Verdict:
Malicious activity
Analysis date:
2021-04-02 07:05:09 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/3f7709f8-c070-46cf-9902-d0c581a7e389

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/131628/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
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.Packed.Bladabindi-6804148-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending a UDP request
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
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/f235ee56-423f-4a45-90e9-9b2c2a9f9578
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/663427
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 380642 Sample: HDrGnsflrD.exe Startdate: 02/04/2021 Architecture: WINDOWS Score: 100 30 tcp.ngrok.io 2->30 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 9 HDrGnsflrD.exe 1 5 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->26 dropped 28 C:\Users\user\AppData\...\HDrGnsflrD.exe.log, ASCII 9->28 dropped 18 server.exe 4 4 9->18         started        process6 dnsIp7 32 tcp.ngrok.io 3.134.125.175, 16361, 49728, 49778 AMAZON-02US United States 18->32 34 3.134.39.220, 16361, 49731, 49735 AMAZON-02US United States 18->34 36 2 other IPs or domains 18->36 46 Antivirus detection for dropped file 18->46 48 Multi AV Scanner detection for dropped file 18->48 50 Machine Learning detection for dropped file 18->50 52 3 other signatures 18->52 22 netsh.exe 1 3 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/11a7a7680b19929f2c608b02c89a6dca5397f5af559b3fb7d111f57da70299ab/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 22:55:00 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cgt2o2aldgjj6ldarmbmrgtnzjjzp5npkwnt7n6rch2x3jyctgvq._file
Verdict:
malicious
Similar samples:
137d03d974474c2998492be7b2d57fd1c7091e987bef4f1cd39ce7cf5a019fbe
njrat
2f5cd6b013a52c1946739554d64f35f0af679025755c2191811045833d3ce7a4
njrat
4824693d37ee0c444b89e21a2ae1cba396927f299e88751759635b2795c1bc96
njrat
4d742fd1047a6a9d019de5deceaae8896d5cee545392b37afab84d29efdcb470
njrat
585b9a5e3aac2aa59c5741bc7f56029aeea7c00dd870dc6064f856c84bc70262
njrat
975d36217950a31fa9591d0ad5236f8817f4f51c5d23f01e88c5684dd197cb15
njrat
a0a3915436586816ac0de5463d4c20c6bcb289326ef04999a1ef2c5f1723c86f
njrat
c2fad2f1da50fadaeb21235a2f1ab6ca135174b10c0f7e499bf9f7bb1d03daf2
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
f586880e7c2d2991e4cc097fd515c0578af818ba1f57ece0dba2c8626161d22d
njrat
+ 590 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210402-4q91fl673s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
11a7a7680b19929f2c608b02c89a6dca5397f5af559b3fb7d111f57da70299ab
MD5 hash:
20ec57c0cbb930553bb5c475bdbfc06f
SHA1 hash:
29e4d3e01ce116920de02bb9c90fbb001b2cf242
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/b95d569f-5279-49a6-af15-d8037bf249a5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/11a7a7680b19929f2c608b02c89a6dca5397f5af559b3fb7d111f57da70299ab

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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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/131628/

Comments