MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e734ac6c26b18d7af17f9dd4d54752c0159df8fddbc553d3d518b0d8c63d0169. 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 3 YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e734ac6c26b18d7af17f9dd4d54752c0159df8fddbc553d3d518b0d8c63d0169
SHA3-384 hash: 0379a8116d54737e3588c34c29a4f6b94bb92c5b7a6ee25b9735f9620f0555bcf75d8930f1e4d7945ce3b1a84c0cebe7
SHA1 hash: a0cc7d127e2b52d1ad6f2133d26b0e9a21c15806
MD5 hash: 212b91273eff72adfbb829521a5f0a30
humanhash: kitten-sink-beer-early
File name:212B91273EFF72ADFBB829521A5F0A30.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'179'648 bytes
First seen:2021-04-25 06:55:23 UTC
Last seen:2021-04-25 07:39:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 113 x njrat, 80 x RedLineStealer)
ssdeep 24576:Ug7KLIRoRgH/oZC12iYUNBXYRB58ozTgcJoNFHQ3yI6Sehielr:t4k0U2dkWH8oHIH3xh
Threatray 1 similar samples on MalwareBazaar
TLSH 504533A250923317C966CBB9BB107CE50FA83B5054DDDAB86E83E4DAD5127881CB9F0D
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.142.81.166:12728

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.142.81.166:12728 https://threatfox.abuse.ch/ioc/9905/
3.19.130.43:12728 https://threatfox.abuse.ch/ioc/9906/
3.142.167.54:12728 https://threatfox.abuse.ch/ioc/9907/

Intelligence

File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
212B91273EFF72ADFBB829521A5F0A30.exe
Verdict:
Malicious activity
Analysis date:
2021-04-25 07:01:00 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/1fc3aa74-f4aa-4f85-9082-b766e5347c48

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/144052/
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for analyzed file
Creating a file
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
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.
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/696940
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 autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected njRat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
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
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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: 397392 Sample: TQTd9Dg3Xh.exe Startdate: 25/04/2021 Architecture: WINDOWS Score: 100 45 8.tcp.ngrok.io 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 13 other signatures 2->59 9 TQTd9Dg3Xh.exe 1 6 2->9         started        13 svchost.exe 3 2->13         started        15 svchost.exe 2 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 37 C:\ProgramData\svchost.exe, PE32 9->37 dropped 39 C:\Users\user\AppData\...\TQTd9Dg3Xh.exe.log, ASCII 9->39 dropped 41 C:\ProgramData\svchost.exe:Zone.Identifier, ASCII 9->41 dropped 69 Detected unpacking (changes PE section rights) 9->69 71 Detected unpacking (overwrites its own PE header) 9->71 73 Hides threads from debuggers 9->73 75 Drops PE files with benign system names 9->75 20 svchost.exe 2 11 9->20         started        43 127.0.0.1 unknown unknown 17->43 file6 signatures7 process8 dnsIp9 47 13.58.157.220, 12728, 49716, 49719 AMAZON-02US United States 20->47 49 3.142.129.56, 12728, 49726, 49735 AMAZON-02US United States 20->49 51 3 other IPs or domains 20->51 29 C:\svchost.exe, PE32 20->29 dropped 31 C:\...\f72cfef956d05d53ca3f8ae17115301d.exe, PE32 20->31 dropped 33 C:\svchost.exe:Zone.Identifier, ASCII 20->33 dropped 35 2 other malicious files 20->35 dropped 61 Antivirus detection for dropped file 20->61 63 System process connects to network (likely due to code injection or exploit) 20->63 65 Multi AV Scanner detection for dropped file 20->65 67 11 other signatures 20->67 25 netsh.exe 1 3 20->25         started        file10 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e734ac6c26b18d7af17f9dd4d54752c0159df8fddbc553d3d518b0d8c63d0169/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-04-21 12:26:13 UTC
File Type:
PE (Exe)
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=442ky3bgwggxv4l7txknkr2syakz36h53pcvhu6vdcynrrr5afuq._file
Verdict:
malicious
Similar samples:
ddd019669afb9f1adad82d960f9e6edc9329e80d91cf7e5b3f1da8698518ec00
njrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/210425-w174kwek2e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
e734ac6c26b18d7af17f9dd4d54752c0159df8fddbc553d3d518b0d8c63d0169
MD5 hash:
212b91273eff72adfbb829521a5f0a30
SHA1 hash:
a0cc7d127e2b52d1ad6f2133d26b0e9a21c15806
Link:
https://www.unpac.me/results/1d032265-5b33-4641-82ff-747dfd1bffca/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/144052/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-25 07:04:32 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0026.002] Data Micro-objective::XOR::Encode Data