MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8
SHA3-384 hash: bda9042a7c23983f377641bbf7335b595d8ec58d74ce1d3ac7a52a0609b2baee430839a4f29a1f381bf347a3fb46ca64
SHA1 hash: 95f76de48876646b93a3fe26f3a32fa1dd49294e
MD5 hash: a50297aa27ebb4ed020e991298da0645
humanhash: kilo-march-aspen-nevada
File name:a50297aa27ebb4ed020e991298da0645.exe
Download: download sample
Signature njrat
Create hunting rule
File size:26'624 bytes
First seen:2025-02-15 01:45:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'861 x AgentTesla, 19'793 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 384:fLd6emXDZ/XgPMReQHzCYe/CBY2OzRLTm3yilqr6pbBtVvGr:T7MDZ/+MrT5e/AsGVvGr
TLSH T172C2295D3BA08172C2EF6BB006B2D72502B2E1075A27DB5F4CD844FA9B777C14D81AE5
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
24.152.38.77:481

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
24.152.38.77:481 https://threatfox.abuse.ch/ioc/1412716/

Intelligence

File Origin
# of uploads :
1
# of downloads :
578
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
a50297aa27ebb4ed020e991298da0645.exe
Verdict:
Malicious activity
Analysis date:
2025-02-15 02:09:27 UTC
Tags:
rat njrat bladabindi remote backdoor
Link:
https://app.any.run/tasks/570a97b3-d025-4dce-8ef0-435a289932e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.njRAT-10015886-0
Create hunting rule

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

Win.Trojan.B-468
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67aff299a0fd713c335adab5
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Link:
https://www.hybrid-analysis.com/sample/55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8
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/f2786177-c6f7-422d-832c-4ef3eaf932e1
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1615652
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)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-02-12 16:39:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
34 of 37 (91.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxyruhhzmj5tgnc4kawy3xluwi6pnwtpmmu67vvkasjelsc7rt4a._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat discovery trojan
Link:
https://tria.ge/reports/250215-b6h3qssmgk/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Downloads MZ/PE file
Njrat family
njRAT/Bladabindi
Verdict:
Malicious
Tags:
rat njrat Win.Dropper.njRAT-10015886-0 bladabindi
YARA:
Windows_Trojan_Njrat_30f3c220 MALWARE_Win_NjRAT
Link:
https://app.threat.zone/submission/4811de81-0acc-4ff6-9fa9-de3ff5fa9c7a
Unpacked files
SH256 hash:
55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8
MD5 hash:
a50297aa27ebb4ed020e991298da0645
SHA1 hash:
95f76de48876646b93a3fe26f3a32fa1dd49294e
Link:
https://www.unpac.me/results/37801699-33aa-4f60-ad36-86ad4e3e8a56/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55f11a1cf962/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/55f11a1cf9627b33345c502d8ddd74b23cf6da6f6329efd6aa049245c85f8cf8

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.

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