MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763
SHA3-384 hash: 40a163c38ad001e809601f57a49c7c4422e21875c9aa3749941e9c24646661a542fb92d665e33de50c6857c38c9ca738
SHA1 hash: 0aa7cf14e5f6be16f39e565ce6b495e7d93f4c96
MD5 hash: 1757a024788275ef7558843c8ce6b834
humanhash: winter-football-moon-spaghetti
File name:bLmz.exe
Download: download sample
Signature njrat
Create hunting rule
File size:27'136 bytes
First seen:2023-04-04 03:07:21 UTC
Last seen:2023-04-04 03:07:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'874 x AgentTesla, 19'799 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:2Ld6haZIVi/dMkt1cpDkjetHzCYe/4Y2OzRLTm3yilqr63sbKtVvGf:ww0IVi/dMc1uT5e/4sE/VvGf
TLSH T153C2395D3BA08176C2EF6BB006B2D72102B2E2075A27DB5F4CD844FA5B777C04D81AE5
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
665
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
bLmz.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 03:09:17 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/9edc5ea7-a971-46fb-aace-0a7cf3468fcf

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/379826/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware njrat packed rat
Link:
https://www.filescan.io/uploads/642b94939c8d0c3b7bcac6ba/reports/ea8d6e6b-5e14-4acb-b147-642acbe25f4a/overview
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Link:
https://www.hybrid-analysis.com/sample/65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763
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/6f6440fd-6cd2-4e2a-8876-f8e2de2b04ad
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1207666
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
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
Protects its processes via BreakOnTermination flag
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-04-04 03:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 37 (89.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvmq3kgdox7sps57ga3kwdt74prlu44chj3pxdpi2cpe2mun45rq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat trojan
Link:
https://tria.ge/reports/230404-dmwktsed4s/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Deletes itself
njRAT/Bladabindi
Unpacked files
SH256 hash:
65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763
MD5 hash:
1757a024788275ef7558843c8ce6b834
SHA1 hash:
0aa7cf14e5f6be16f39e565ce6b495e7d93f4c96
Link:
https://www.unpac.me/results/0b9d4ce9-cd0b-4abf-8764-e23d45e61bba/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65590da8c375/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/65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763

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: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_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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

File information

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

Web download

njrat

Executable exe 65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763

(this sample)

  
Link
https://www.virustotal.com/gui/file/65590da8c375ff27cbbf3036ab0e7fe3e2ba73823a76fb8de8d09e4d328de763/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/379826/

Comments