MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3. 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: 15


Intelligence 15 IOCs 1 YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3
SHA3-384 hash: bf97ac21f1e0e676ff41aeee3867aca0c91ccaf89fb71b52504df8d8e4558d5cea666b63dd274a0a94f730ce6c8e2aee
SHA1 hash: b383369938598e3d87dd5e854bcdebcfb9b021e3
MD5 hash: 337cabfce35dc84645dbad617b58a418
humanhash: saturn-red-golf-lake
File name:337cabfce35dc84645dbad617b58a418.exe
Download: download sample
Signature njrat
Create hunting rule
File size:67'072 bytes
First seen:2025-01-28 15:20:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 1536:TTQEsHKoN36tFQviFw1/A/5c+BnvbYfLteF3nLrB9z3n6aF9bCS9vM:TTQEsqoN36tFQviFCIBBnsfWl9zqaF9e
TLSH T1E0633B4877958A15D2BD2E7848F296518730E50B6D03F72E4CD160EBABB3EC44A42BE7
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10522/11/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.185.221.25:25606

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
147.185.221.25:25606 https://threatfox.abuse.ch/ioc/1395764/

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Malware.Ursu-9784017-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6798f8de29ae628cf42a72a3
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd config-extracted evasive eventvwr hacktool keylogger lolbin mmc njrat njrat obfuscated rat schtasks vbnet windows winnti wscript
Link:
https://www.filescan.io/uploads/6798f5f967e1e92b61e58fc8/reports/588a28d1-1cfc-490e-b239-cc2d6a64c175/overview
Verdict:
Malicious
Labled as:
KillMBR.B.Generic
Link:
https://www.hybrid-analysis.com/sample/90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3
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/667d4ed6-14b8-4933-becd-99f12a64b29d
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1601492
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Disables zone checking for all users
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-01-25 18:39:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sdk7r4yvrrux5sfvclhnee4rjhyfabhvwkrsupzuuxu7qorghljq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked discovery
Link:
https://tria.ge/reports/250128-srbtjsspfv/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
127.0.0.1:25606
Verdict:
Malicious
Tags:
trojan rat njrat Win.Malware.Ursu-9784017-0 bladabindi
YARA:
Unknown_Malware_Sample_Jul17_2 malware_Njrat_strings Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/ef1e33e9-3ab4-4880-976f-ceea79693b34
Unpacked files
SH256 hash:
90d5f8f3158c697ec8b512ced2139149f05004f5b2a32a3f34a5e9f83a263ad3
MD5 hash:
337cabfce35dc84645dbad617b58a418
SHA1 hash:
b383369938598e3d87dd5e854bcdebcfb9b021e3
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/71f4974a-987e-4a08-941b-7ca165f46db3/
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: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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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 / NjRAT Golden
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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: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
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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.

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