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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55
SHA3-384 hash: a6bad50280aedc100de6851028d07262b770da7be8c6da0c69d85bbdd16b05796e5137c4a4f836da6de064630c3834f1
SHA1 hash: 1dd9679e1792468116e7da109fdf3a89a4fa1bb2
MD5 hash: c9888d06d21e682ae62498e24880d139
humanhash: twenty-california-eleven-quiet
File name:GJKF64.exe
Download: download sample
Signature njrat
Create hunting rule
File size:38'400 bytes
First seen:2024-01-04 23:29:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:MetU1hGx8VAXQul37B5t8Rsr55U9EuB6SLFo5:M+uM5iCc9Po4O5
TLSH T1490339013BD9C27AE2BD5BBC95F0124547B9E1772603EB5E1CD840EB0913BC6CA51BEA
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter adm1n_usa32
Tags:64 exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
404
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55.exe
Verdict:
Malicious activity
Analysis date:
2024-01-04 23:53:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/faa81b3c-c5d3-4fc8-b726-63c3122bc54d

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/469552/
Detection(s):
Win.Packed.Msilzilla-10016246-0
Create hunting rule

Win.Packed.Msilzilla-10016286-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Running batch commands
Creating a process from a recently created file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin njrat replace schtasks
Link:
https://www.filescan.io/uploads/65973f7cffafd83ebca619c4/reports/ea9a502e-35fa-4272-b04e-d1557c1c0235/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8eab5193-eea6-4b1f-936e-bf71d244bc0d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1370082
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1370082 Sample: GJKF64.exe Startdate: 05/01/2024 Architecture: WINDOWS Score: 88 54 zxyhwww.top 2->54 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Machine Learning detection for sample 2->62 10 GJKF64.exe 1 8 2->10         started        14 $77cc.exe 3 2->14         started        signatures3 process4 file5 52 C:\Users\user\AppData\Roaming\cc\$77cc.exe, PE32+ 10->52 dropped 72 Uses cmd line tools excessively to alter registry or file data 10->72 16 cmd.exe 1 10->16         started        18 attrib.exe 1 10->18         started        20 attrib.exe 1 10->20         started        signatures6 process7 process8 22 $77cc.exe 3 16->22         started        26 conhost.exe 16->26         started        28 timeout.exe 1 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        dnsIp9 56 zxyhwww.top 43.251.17.199, 49729, 49730, 49735 CLOUDIE-AS-APCloudieLimitedHK Hong Kong 22->56 64 Antivirus detection for dropped file 22->64 66 Multi AV Scanner detection for dropped file 22->66 68 Machine Learning detection for dropped file 22->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 22->70 34 powershell.exe 22 22->34         started        36 schtasks.exe 1 22->36         started        38 schtasks.exe 1 22->38         started        40 schtasks.exe 1 22->40         started        signatures10 process11 process12 42 WmiPrvSE.exe 34->42         started        44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        48 conhost.exe 38->48         started        50 conhost.exe 40->50         started       
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-01-02 13:29:00 UTC
File Type:
PE+ (.Net Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cga47uvtjz56rjb6u4zvvzkb5zzmf62qvodmdsqbkwdeszlwnjkq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/240104-3g5c8aefb2/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Sets file to hidden
Unpacked files
SH256 hash:
1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55
MD5 hash:
c9888d06d21e682ae62498e24880d139
SHA1 hash:
1dd9679e1792468116e7da109fdf3a89a4fa1bb2
Link:
https://www.unpac.me/results/0e11ddf0-962d-45f7-ac56-63bd65cb0292/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1181cfd2b34e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1181cfd2b34e7be8a43ea7335ae541ee72c2fb50ab86c1ca0155864965766a55

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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

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/469552/

Comments