MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dcaef0a3442fdb263af59d4af0cd67cc08f61c04db6bdbfaf6609b478a52e1c. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash: 7dcaef0a3442fdb263af59d4af0cd67cc08f61c04db6bdbfaf6609b478a52e1c
SHA3-384 hash: f9b7331d872b67cc6a4569816ed719c2d4f2b42783dbaf5dbece5772bacf214c126d86abd559e1eb0b87afb382d97392
SHA1 hash: 3297a8497f16778f3a94689fd3d5ec4d4aecec25
MD5 hash: 1fe2a55e3e5183ca8b0261b1582d2ff2
humanhash: johnny-fix-blossom-nine
File name:1fe2a55e3e5183ca8b0261b1582d2ff2.exe
Download: download sample
Signature njrat
File size:49'152 bytes
First seen:2023-10-27 07:40:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 384:UsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZvOhy:7f65K2Yf1jKRpcnu5o
Threatray 113 similar samples on MalwareBazaar
TLSH T18E232C4E3FB98856C9AC177486A5965003B4D1470423EE2FCCD554CBAFB3BD92D48AF8
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
156.207.236.180:5552

Intelligence


File Origin
# of uploads :
1
# of downloads :
432
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1fe2a55e3e5183ca8b0261b1582d2ff2.exe
Verdict:
Malicious activity
Analysis date:
2023-10-27 07:43:54 UTC
Tags:
rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd fingerprint greyware keylogger lolbin netsh njrat overlay packed rat replace stealer zbot
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1333149 Sample: 2YFTLcPK1s.exe Startdate: 27/10/2023 Architecture: WINDOWS Score: 100 28 sxtrm.myftp.biz 2->28 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 9 other signatures 2->38 9 2YFTLcPK1s.exe 1 5 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->26 dropped 18 server.exe 4 4 9->18         started        process6 dnsIp7 30 sxtrm.myftp.biz 156.207.236.180, 49736, 49738, 49739 TE-ASTE-ASEG Egypt 18->30 40 Antivirus detection for dropped file 18->40 42 Multi AV Scanner detection for dropped file 18->42 44 Machine Learning detection for dropped file 18->44 46 3 other signatures 18->46 22 netsh.exe 2 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-10-24 15:42:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 37 (94.59%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
sxtrm.myftp.biz:5552
Unpacked files
SH256 hash:
7dcaef0a3442fdb263af59d4af0cd67cc08f61c04db6bdbfaf6609b478a52e1c
MD5 hash:
1fe2a55e3e5183ca8b0261b1582d2ff2
SHA1 hash:
3297a8497f16778f3a94689fd3d5ec4d4aecec25
Detections:
NjRat win_njrat_w1 win_njrat_g1
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
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
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.

Comments