MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64. 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 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64
SHA3-384 hash: 5a2274d8d03234ed7cd641f36337882aab8a6c2c1ac8763125df0fd27736b20e4a37044fe16b7f22d8684403417ca6ed
SHA1 hash: e2e4850d5b3027495ff5cc789bd535d9c08a869f
MD5 hash: c8d6f182c9d9bcb4f176cefd51231e0e
humanhash: triple-arizona-magazine-skylark
File name:QpUsnRBA.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'256 bytes
First seen:2020-10-05 02:47:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:E3875d5rLmzxBuJjIce8/3LPvUJQmIDUu0tiaaAj:PvKQPj8QVk9j
Threatray 21 similar samples on MalwareBazaar
TLSH C9E21A6DFBE64466D1BD0AB50571950013B4D103E523E77E4ECB28A62B6F7C84B84DF2
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/68029/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
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
Sending a TCP request to an infection source
Result
Threat name:
njRat Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480962
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
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Detected njRat
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found strings related to Crypto-Mining
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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
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
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292921 Sample: QpUsnRBA.exe Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 54 0.tcp.ngrok.io 2->54 56 pool.hashvault.pro 2->56 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 Malicious sample detected (through community Yara rule) 2->64 66 16 other signatures 2->66 11 QpUsnRBA.exe 1 5 2->11         started        15 svchost.exe 3 2->15         started        17 svchost.exe 2 2->17         started        19 4 other processes 2->19 signatures3 process4 file5 50 C:\Windows\svchost.exe, PE32 11->50 dropped 52 C:\Users\user\AppData\...\QpUsnRBA.exe.log, ASCII 11->52 dropped 80 Drops executables to the windows directory (C:\Windows) and starts them 11->80 82 Drops PE files with benign system names 11->82 21 svchost.exe 4 7 11->21         started        signatures6 process7 dnsIp8 58 0.tcp.ngrok.io 3.134.125.175, 12614, 49745 AMAZON-02US United States 21->58 42 C:\Users\user\AppData\...\tmp63F7.tmp.exe, PE32 21->42 dropped 68 Antivirus detection for dropped file 21->68 70 System process connects to network (likely due to code injection or exploit) 21->70 72 Multi AV Scanner detection for dropped file 21->72 74 4 other signatures 21->74 26 tmp63F7.tmp.exe 3 11 21->26         started        30 netsh.exe 1 3 21->30         started        file9 signatures10 process11 file12 44 C:\Windows\Helpn\system.exe, PE32+ 26->44 dropped 46 C:\Windows\Helpn\svchost.exe, PE32 26->46 dropped 48 C:\Windows\Helpn\conhost.exe, PE32+ 26->48 dropped 76 Antivirus detection for dropped file 26->76 78 Drops PE files with benign system names 26->78 32 wscript.exe 1 26->32         started        34 conhost.exe 30->34         started        signatures13 process14 process15 36 cmd.exe 32->36         started        process16 38 conhost.exe 36->38         started        40 timeout.exe 36->40         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-05 02:49:05 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=epxdnqzpdgewnj4t24pz4lyljyfyyfbjeaxtr4x2worfy2jmlrsa._file
Verdict:
malicious
Similar samples:
24d6774c1e91ab5d03b2bc857f8f35534acbc8f4ed8aaf802372588638100cb4
njrat
6960d585698d0353194d53afa7c6db5a68386fa8855cefefe9a2f4ce1292b5da
njrat
82732e47492148243ee3fb338c93d43b9a9984f39e3409327600cffc5766af1b
njrat
a5995d49de4242755e6baf1c40ad297f96a797e5a8dfd59ab779d088b84fab6a
njrat
bb14728459929940d4a7c6fd636177faacc0a23e4f75e526f12259e78a3853e7
njrat
c6b664ffd10c03d085b36bd57b72467b6508ba736e9c8d77182e0d1518b91295
njrat
e42d5d1c2c28924044e875a9334b05dea4d0e26a1e36c6411c7937c6464c1786
njrat
e97c8416fc63162b69167c2b4f51f82ae6aacc8e4276b76ca5b775ba2ec437ea
njrat
eb9a70ac0d1f7c413f10f5308bda81e1da5a9b5bfd2ab7c8d89232eada71c143
njrat
edde62496431c693fbd64bbccbb5fbb58338bcd9df1a949712955b110ff8e7e4
njrat
+ 11 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
persistence trojan family:njrat evasion
Link:
https://tria.ge/reports/201005-t9tf1kttne/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Modifies service
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64
MD5 hash:
c8d6f182c9d9bcb4f176cefd51231e0e
SHA1 hash:
e2e4850d5b3027495ff5cc789bd535d9c08a869f
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/d79160e8-0f17-483d-8ed6-7e46cc1d3747/
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/23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64

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: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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
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 23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64

(this sample)

  
Link
https://www.virustotal.com/gui/file/23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/68029/

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