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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621
SHA3-384 hash: 03ab13e48ddad8cda38a1d6b291acf55599b71edcfa03160cddae309c61a898fb507bb727b13a5bfa4b08a53adf0a2d4
SHA1 hash: 70f758a17090a074e26662dee56282d991ce55a6
MD5 hash: 0ffb0e04f66e70f0cd320df2db61999e
humanhash: violet-carbon-may-queen
File name:70f758a17090a074e26662dee56282d991ce55a6
Download: download sample
Signature njrat
Create hunting rule
File size:46'080 bytes
First seen:2024-11-13 20:09:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:FeVp2VD9ncfBhrcXnbvOpXBrWB2pRULQe9SOf4hYB6S5GPvr/Sw:FeVYD96GvOpXBrHGse9QhYoqGPz/Sw
TLSH T169234B007BDD897AD2BE5B7D59F1011286B9F1771513E79E2CC800EA1A23BC68B417F6
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter NDA0E
Tags:exe NjRAT SilverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
3'710
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
70f758a17090a074e26662dee56282d991ce55a6
Verdict:
Malicious activity
Analysis date:
2024-11-13 20:10:06 UTC
Tags:
asyncrat ims-api generic discord exfiltration stealer
Link:
https://app.any.run/tasks/c8faeb12-67f7-4b83-a3a5-20abebd3dc82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-10016246-0
Create hunting rule

Win.Packed.Msilzilla-10016285-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67351b7334b6906b34829bd8
Tags:
asyncrat autorun proxy njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching a service
Adding an access-denied ACE
Creating a file
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin njrat rat schtasks vbnet
Link:
https://www.filescan.io/uploads/673507afdcee1c39e46ff2cc/reports/5bb1b2ce-60cf-4922-a99b-a6eaff5a1e54/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2de76231-145d-41db-9d5b-4d989875585e
Result
Threat name:
SilverRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555422
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Loading BitLocker PowerShell Module
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected SilverRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555422 Sample: B78DGDwttv.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 57 discord.com 2->57 59 5.tcp.ngrok.io 2->59 67 Antivirus / Scanner detection for submitted sample 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 Yara detected SilverRat 2->71 73 5 other signatures 2->73 10 B78DGDwttv.exe 1 8 2->10         started        14 attrib.exe 1 2->14         started        16 $77wininit.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\System32\$77wininit.exe, PE32+ 10->53 dropped 55 C:\Users\user\AppData\...\B78DGDwttv.exe.log, CSV 10->55 dropped 83 Uses cmd line tools excessively to alter registry or file data 10->83 18 cmd.exe 1 10->18         started        20 attrib.exe 1 10->20         started        signatures6 process7 process8 22 $77wininit.exe 14 3 18->22         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        30 conhost.exe 20->30         started        dnsIp9 61 discord.com 162.159.135.232, 443, 49706 CLOUDFLARENETUS United States 22->61 63 5.tcp.ngrok.io 3.141.126.222, 20636, 49707, 49708 AMAZON-02US United States 22->63 75 Antivirus detection for dropped file 22->75 77 Multi AV Scanner detection for dropped file 22->77 79 Machine Learning detection for dropped file 22->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 22->81 32 powershell.exe 23 22->32         started        35 schtasks.exe 1 22->35         started        37 schtasks.exe 1 22->37         started        39 2 other processes 22->39 signatures10 process11 signatures12 65 Loading BitLocker PowerShell Module 32->65 41 conhost.exe 32->41         started        43 WmiPrvSE.exe 32->43         started        45 conhost.exe 35->45         started        47 conhost.exe 37->47         started        49 conhost.exe 39->49         started        51 conhost.exe 39->51         started        process13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2024-11-12 14:14:32 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sz37ppanuxfsmvh3nte6blb4muqiy2omdvhhvj3qpiybgpifqyqq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion execution persistence
Link:
https://tria.ge/reports/241113-yxnyys1rfj/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Sets file to hidden
Malware Family:
n/a
Verdict:
Malicious
Tags:
Win.Packed.Msilzilla-10016246-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c030c6df-178d-4592-ac81-c9d5cd851685
Unpacked files
SH256 hash:
9677f7bc0da5cb2654fb6cc9e0ac3c65208c69cc1d4e7aa7707a30133d058621
MD5 hash:
0ffb0e04f66e70f0cd320df2db61999e
SHA1 hash:
70f758a17090a074e26662dee56282d991ce55a6
Link:
https://www.unpac.me/results/2037ad1d-72a5-4dd6-b1c9-0fa850e806b2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9677f7bc0da5/report/overview.html
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: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
Rule name:SilverRAT
Create hunting rule
Author:NDA0E
Description:Detects SilverRAT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments