MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df
SHA3-384 hash: ff6cc7f62ab1c162fc13bf2d5295cd661bed727fe3f0a28475714030f305a1673a9e0f84828465571ba24163ed995595
SHA1 hash: 7b1fad8d01335a9dad33527886a9b16b50c3de9c
MD5 hash: 390aed0de579f6f6a7d67150ff70f3eb
humanhash: king-november-uncle-uranus
File name:390aed0de579f6f6a7d67150ff70f3eb.exe
Download: download sample
Signature njrat
Create hunting rule
File size:56'320 bytes
First seen:2023-02-12 20:50:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 1536:aqZMDnE4uNhty4X+SChDVwsNMD/XExI3pmem:3MDnlIk4XohDVwsNMD/XExI3pm
Threatray 22 similar samples on MalwareBazaar
TLSH T18C432744BFEA4A01E2BD8F3468F655150634BA63E532EB1F48D668DB17327C58C80FE6
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13097/50/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.124.142.205:11883

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
390aed0de579f6f6a7d67150ff70f3eb.exe
Verdict:
Malicious activity
Analysis date:
2023-02-12 20:53:00 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/62c8f5aa-1378-4847-a9d1-fe82d2106515

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/364616/
Detection(s):
Win.Trojan.Generic-6417450-0
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Win.Trojan.Generic-6454614-0
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Win.Trojan.Generic-6454615-0
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Win.Trojan.Bladabindi-6192388-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df
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/1ab0878f-fd89-4a60-955e-bb0e9bd0eae5
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172795
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 17:00:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 21 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ui7w53qida2exn7opyr4pnix7ztpqddh7pujxgfscyhfpcixktpq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0439b2c7c3742f290db9d859f1152c60ed0b4a8606f3b4d9514ae05c48a644aa
njrat
074cca586090b96b558ed8fef4e1a82144fb023963f8956afe5395426fb37c7d
njrat
ae1f83032051540d2c0a651128b3f3383738d0ca5a093def884a6763613d1da4
njrat
b30b94ea18860b2c80328aeffb59c4ba2ab16a101105e8f64236ea935e1ae0a9
njrat
dd0bd63ada359ba9e0c332af732770c116fdc178d48c4a6dd55e69dc14525340
njrat
fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4
njrat
+ 12 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:victim trojan
Link:
https://tria.ge/reports/230212-zm5z6age52/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:11883
Unpacked files
SH256 hash:
a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df
MD5 hash:
390aed0de579f6f6a7d67150ff70f3eb
SHA1 hash:
7b1fad8d01335a9dad33527886a9b16b50c3de9c
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/76f18f76-1978-490e-9de2-cab05fde381b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a23f6eee0818/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df

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 (Nextron Systems)
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
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 (Nextron Systems)
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_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Unknown_Malware_Sample_Jul17_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Create hunting rule
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/364616/

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