MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72
SHA3-384 hash: 49377a0540d1effd60c5feda4a23552d3bcc3926dca8b11b32629f468a3a1710bfe7461b1eb8e5a4f424ff34b3f59a6b
SHA1 hash: 09d44c896d14e7df8d8da0d938235ee33c9b2281
MD5 hash: c4a07f7612b822a1c6e6879ba5dcc5de
humanhash: lion-avocado-alanine-paris
File name:c4a07f7612b822a1c6e6879ba5dcc5de.exe
Download: download sample
Signature njrat
Create hunting rule
File size:214'016 bytes
First seen:2025-01-02 09:10:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:rR2EJHNNObrQy5y6GrEHBAnpK37nX9840BQ5f74tyJhcMKNFhHF+bs5iRXr:124NMbrQy7L8c0Fpgs5iJ
TLSH T1A8244B0163E8892ADABE17B9F4B213106775F10BD192DB9A788C19F95B533805E2337F
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:
185.172.175.125:505

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.172.175.125:505 https://threatfox.abuse.ch/ioc/1377226/

Intelligence

File Origin
# of uploads :
1
# of downloads :
517
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
c4a07f7612b822a1c6e6879ba5dcc5de.exe
Verdict:
Malicious activity
Analysis date:
2025-01-02 09:16:00 UTC
Tags:
evasion rat njrat bladabindi remote
Link:
https://app.any.run/tasks/9652c385-5b14-4688-b4fa-59dd24f4b0e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.8522.18589.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677658271ada707798254606
Tags:
agenttesla bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Adding an access-denied ACE
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control fingerprint lolbin remote vbnet
Link:
https://www.filescan.io/uploads/6776582816138f1acb0311fd/reports/abe2bc2a-d04b-45ad-ae18-92ba43f9f3d4/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72
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:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a8bcb30-63bf-4ab8-956b-67c12c2a7d8c
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1583274
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-12-29 15:21:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=heotgv6d4b6wirhwzumj62gxjdcsirgdbu65naucyufm6yxf3nza._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:byabolhb trojan
Link:
https://tria.ge/reports/250102-k5la5sxpcj/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Looks up external IP address via web service
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
abolhb.com:505
Verdict:
Suspicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/53bb8e17-8a82-442c-9315-ba48de868f06
Unpacked files
SH256 hash:
337c00033e1e75be7a2e6c2fc9094c3e2c92ce4d56cb7425766a9852aed5d2f6
MD5 hash:
00e91df40c518d4cbc16a0f01369a2a6
SHA1 hash:
1863361cb9e3f2c337cea24181a6f541041e9769
Link:
https://www.unpac.me/results/96450624-d7c8-4553-b10d-a4b5f86fecc8/
SH256 hash:
391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72
MD5 hash:
c4a07f7612b822a1c6e6879ba5dcc5de
SHA1 hash:
09d44c896d14e7df8d8da0d938235ee33c9b2281
Link:
https://www.unpac.me/results/96450624-d7c8-4553-b10d-a4b5f86fecc8/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/391d3357c3e0/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/391d3357c3e07d6444f6cd189f68d748c52444c30d3dd68282c50acf62e5db72

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:golang_david_CSC846
Create hunting rule
Author:David
Description:CSC-846 Golang
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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