MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b. 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: 14


Intelligence 14 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b
SHA3-384 hash: 7f0458b55959b53a208dcb0ace6951d910f3e4cc8c9181cc17f4de464de9ee541e1670d1ddce95b5b69200a68a3d04d3
SHA1 hash: 5dc86c39c1993e8e80d6051e5b985ce66d8e4624
MD5 hash: 1e4af6db3b00aac1f959e61d762837d2
humanhash: nevada-five-eight-sierra
File name:1e4af6db3b00aac1f959e61d762837d2.exe
Download: download sample
Signature njrat
Create hunting rule
File size:27'648 bytes
First seen:2022-09-22 09:00:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'494 x Formbook, 12'214 x SnakeKeylogger)
ssdeep 384:FELam4PanO4Y7pcdYGiTOCsPodxxMzAQk93vmhm7UMKmIEecKdbXTzm9bVhcaB6N:c63vc7OQzA/vMHTi9bD
TLSH T13DC2F82C37B68232D1EE167E8562EA5043B5D04BF233FB0E4CD958E94B5B7C60A41EE5
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
51.103.25.183:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
51.103.25.183:5552 https://threatfox.abuse.ch/ioc/851066/

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
1e4af6db3b00aac1f959e61d762837d2.exe
Verdict:
Malicious activity
Analysis date:
2022-09-22 09:04:16 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/69194d84-319a-45d2-8a0c-6f711379e1e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312274/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe fingerprint greyware njrat packed rat stealer
Link:
https://www.filescan.io/uploads/632c24d71bf7950e75afb25e/reports/0d5fcd27-5ef8-45bb-8116-eeb879a91347/overview
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/c40d6ecd-6fc3-4b3a-877d-f5b8b0f171b0
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1075135
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-09-22 09:01:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eqptp7mnvtqku4do4lrq5thlofirr3alrfysqrmg6uv3wllu6sfq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked trojan
Link:
https://tria.ge/reports/220922-kyv7rsefep/
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Drops startup file
njRAT/Bladabindi
Malware Config
C2 Extraction:
51.103.25.183:5552
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b0f930b2-def5-4974-b499-b7d44640f4e9
Unpacked files
SH256 hash:
241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b
MD5 hash:
1e4af6db3b00aac1f959e61d762837d2
SHA1 hash:
5dc86c39c1993e8e80d6051e5b985ce66d8e4624
Link:
https://www.unpac.me/results/3c59e97d-2a06-4769-81f0-d3944aff4a74/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b

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
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_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_attrib
Create hunting rule
Author:ditekSHen
Description:Detects executables using attrib with suspicious attributes attributes
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
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key

File information

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

Web download

njrat

Executable exe 241f37fd8dace0aa706ee2e30ecceb715118ec0b8971284586f52bbb2d74f48b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2309709/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/312274/

Comments