MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9. 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 9 File information Comments
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SHA256 hash: 2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9
SHA3-384 hash: bf78006d29c74c34d8e0a0e517f918f9ce7ac0e03c39a282ef31a493c9525629aaac2a93a6725ccd469b5e2aab694c97
SHA1 hash: 47761a9ab45df5ee6cb016252b598906c60b92d9
MD5 hash: fa139ae9c858237134267631faea725b
humanhash: red-kitten-harry-comet
File name:bRMW.exe
Download: download sample
Signature njrat
Create hunting rule
File size:27'136 bytes
First seen:2023-11-23 00:07:21 UTC
Last seen:2023-11-24 05:07:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 384:LLd6cufEYAA/XgWeyoHzCYe/iBY2OzRLTm3yilqr63+bGtVvGD:fl8AA/6T5e/gsEZVvGD
TLSH T19DC2195D3B908166C2EF2BB006B2DB2502F2E10B5A17EB5F4CD844FA6B773C14D819E5
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 :
3
# of downloads :
393
Origin country :
US US
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459786/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Creating a window
Sending a custom TCP request
Sending an HTTP GET request
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd greyware keylogger lolbin njrat packed phishing replace
Link:
https://www.filescan.io/uploads/655e97e892fc3dea639722b2/reports/7a9d395f-3e2d-4470-9bb0-58b3d9f11cb1/overview
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Link:
https://www.hybrid-analysis.com/sample/2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9
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/15b29a0d-5f6d-4aa2-8553-3e054b4c2a0a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346678
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)
Found malware configuration
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
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-11-23 00:08:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f6hkrkumaxmux3w7kurr4wrviu2nhsh7trl6nj4o4wgg3hwvgpmq._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/231123-aewn3sfh8s/
Behaviour
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Legitimate hosting services abused for malware hosting/C2
njRAT/Bladabindi
Unpacked files
SH256 hash:
2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9
MD5 hash:
fa139ae9c858237134267631faea725b
SHA1 hash:
47761a9ab45df5ee6cb016252b598906c60b92d9
Detections:
CN_disclosed_20180208_c
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/51c66d1c-31e0-4a1e-be83-def105a0c24c/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f8ea8aa8c05/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/2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security

File information

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

Web download

njrat

Executable exe 2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9

(this sample)

  
Link
https://www.virustotal.com/gui/file/2f8ea8aa8c05d94beedf55231e5a354534d3c8ff9c57e6a78ee58c6d9ed533d9/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/459786/

Comments