MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62e46f8cd2eef1883434f7b9b4181a567ecdddf1198c512acf9a6afc788ea7e0. 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: 11


Intelligence 11 IOCs 4 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62e46f8cd2eef1883434f7b9b4181a567ecdddf1198c512acf9a6afc788ea7e0
SHA3-384 hash: 9be6ef38a2387c36b5a496479ef4f494c4effcfbe81795c7d8b59c3a82cd7103562d15483a02e90878b0bcc66b63defc
SHA1 hash: 583cfae6377e3b6493a950de05b25ea23cec49be
MD5 hash: af296548cc9b6a6fb755c18b6b1d612e
humanhash: cardinal-pennsylvania-kilo-king
File name:af296548cc9b6a6fb755c18b6b1d612e.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2022-04-18 08:31:13 UTC
Last seen:2022-04-19 20:48:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:YgNJD/HBZbszKu9AZp77r1jEwzGi1dDTDFgS:YgUzK4AZtHCi1dzS
Threatray 411 similar samples on MalwareBazaar
TLSH T11A93E94977E52524E0BF56F75471F2004E35B48B1612E39D58F219AA0B33AC48F8AFEB
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.126.37.18:19566

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.126.37.18:19566 https://threatfox.abuse.ch/ioc/520828/
18.192.93.86:19566 https://threatfox.abuse.ch/ioc/520829/
18.156.13.209:19566 https://threatfox.abuse.ch/ioc/520830/
18.157.68.73:19566 https://threatfox.abuse.ch/ioc/520831/

Intelligence

File Origin
# of uploads :
3
# of downloads :
460
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264296/
Detection(s):
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.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi cmd.exe control.exe explorer.exe fingerprint fingerprint greyware keylogger msconfig.exe netsh.exe njrat obfuscated packed rat replace.exe rundll32.exe schtasks.exe stealer update.exe winnti
Link:
https://www.filescan.io/uploads/625d2204ffe27d5119fd0b10/reports/991b74d2-638d-4f15-8705-7bbe327df4af/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/717d79d2-6493-4919-bac4-96d4ee02f57a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/978115
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to spread to USB devices (.Net source)
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: 610602 Sample: TRELakPzu5.exe Startdate: 18/04/2022 Architecture: WINDOWS Score: 100 29 2.tcp.eu.ngrok.io 2->29 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 8 TRELakPzu5.exe 1 8 2->8         started        signatures3 process4 dnsIp5 31 2.tcp.eu.ngrok.io 18.156.13.209, 19566, 49729, 49884 AMAZON-02US United States 8->31 33 18.157.68.73, 19566, 49742, 49759 AMAZON-02US United States 8->33 35 4 other IPs or domains 8->35 25 C:\Windows\SysWOW64xplower.exe, PE32 8->25 dropped 27 C:\Windows\...xplower.exe:Zone.Identifier, ASCII 8->27 dropped 45 Uses netsh to modify the Windows network and firewall settings 8->45 47 Modifies the windows firewall 8->47 13 netsh.exe 1 3 8->13         started        15 netsh.exe 3 8->15         started        17 netsh.exe 3 8->17         started        file6 signatures7 process8 process9 19 conhost.exe 13->19         started        21 conhost.exe 15->21         started        23 conhost.exe 17->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/62e46f8cd2eef1883434f7b9b4181a567ecdddf1198c512acf9a6afc788ea7e0/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-04-16 14:58:00 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mlsg7dgs53yyqnbu6643iga2kz7m3xprdggfckwptjvpy6eou7qa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d
njrat
495135344619bad53ac992d52fb75b420130b856b65ceabad2748a4236bbd322
njrat
6000cb4765d6219aeea0210a1ecec6af293e3ee6e330f560e30c043987f5aeb7
njrat
71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
njrat
99a5466522471fa6514592bc9bc58db9d9745334118a229088f2fa10c6469211
njrat
cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78
njrat
f829bd45e12075c0d95bc76b14ea211f59772e2bf05ecbe32ff336cb6d0ea284
njrat
+ 401 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:aaaaaaaaaa.exe evasion
Link:
https://tria.ge/reports/220418-kfahcabfh9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Modifies Windows Firewall
Malware Config
C2 Extraction:
FRANSESCOi50Y3AuZXUubmdyb2suaW8Strik:MTk1NjY=
Unpacked files
SH256 hash:
62e46f8cd2eef1883434f7b9b4181a567ecdddf1198c512acf9a6afc788ea7e0
MD5 hash:
af296548cc9b6a6fb755c18b6b1d612e
SHA1 hash:
583cfae6377e3b6493a950de05b25ea23cec49be
Link:
https://www.unpac.me/results/76741471-92bd-4d53-9a0e-6ec7e4f3db2e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/62e46f8cd2eef1883434f7b9b4181a567ecdddf1198c512acf9a6afc788ea7e0

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

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/264296/

Comments