MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments
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SHA256 hash: 55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327
SHA3-384 hash: 8d64999697d29dc4af336715e49b5c2f491131e06d2c9782c5b2d78b0215e90f110413378acf33c3b9e4cb7a1982225c
SHA1 hash: b11394a4f3e81c92d4c273a9ae4937c4a0df2cf2
MD5 hash: 4527f09378f4b02f9ac29c2b55a5a8b0
humanhash: seven-autumn-delaware-tango
File name:4527f09378f4b02f9ac29c2b55a5a8b0.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2024-06-11 14:00:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 1536:ii9r7EkrjaFIs7E5OxFJn8LjEwzGi1dDzD4gS:iihjau5OfVni1d7h
TLSH T1F093C74977E56564E0BF56F75871F2004E38B44B1602E39E48F259AB0B33AC44F89FEA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
144.202.69.96:22868

Intelligence

File Origin
# of uploads :
1
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 14:04:31 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/a9a3ca22-fbd6-4ee4-9d08-4d224b764266

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

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

Win.Dropper.Nanocore-10030076-0
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Win.Trojan.Generic-6417450-0
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Win.Trojan.B-468
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Win.Trojan.Ratenjay-1
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666858e75c0e232c1ff04b14win7simulatehigh_evasion
Tags:
Banker Execution Generic Network Stealth Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
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 file in the Windows subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the Program Files subdirectories
Launching the process to change network settings
Searching for synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd evasive explorer fingerprint fingerprint keylogger lolbin lolbin msconfig netsh njrat rat rundll32 schtasks stealer update vbnet winnti
Link:
https://www.filescan.io/uploads/666858a26b8dba248b3f847f/reports/01cb4ce0-ad15-4f3b-b811-383636b49432/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327
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/ed0aada1-85fd-46d0-9e19-9a671e2fdfeb
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455211
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Disables zone checking for all users
Drops PE files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1455211 Sample: E8AgEc84r4.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 11 other signatures 2->54 8 E8AgEc84r4.exe 7 2->8         started        11 Microsoft Corporation.exe 3 2->11         started        13 8d19a7ba9cd9e5be1ef33d325bd40753Windows Update.exe 3 2->13         started        15 8d19a7ba9cd9e5be1ef33d325bd40753Windows Update.exe 2->15         started        process3 file4 42 C:\Users\user\AppData\Local\Temp\server.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\...8AgEc84r4.exe.log, ASCII 8->44 dropped 17 server.exe 1 11 8->17         started        process5 dnsIp6 46 144.202.69.96, 22868, 49707, 49708 AS-CHOOPAUS United States 17->46 34 C:\Windows\SysWOW64xplower.exe, PE32 17->34 dropped 36 C:\Users\user\Favoritesxplower.exe, PE32 17->36 dropped 38 C:\Users\user\...\Microsoft Corporation.exe, PE32 17->38 dropped 40 4 other malicious files 17->40 dropped 56 Antivirus detection for dropped file 17->56 58 Multi AV Scanner detection for dropped file 17->58 60 Machine Learning detection for dropped file 17->60 62 4 other signatures 17->62 22 netsh.exe 2 17->22         started        24 netsh.exe 2 17->24         started        26 netsh.exe 2 17->26         started        file7 signatures8 process9 process10 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 26->32         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2024-06-08 00:20:52 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxyjwniea3wsm6vidhucgvx7u6ssbr623d2oczce3ndkt4zokmtq._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion trojan
Link:
https://tria.ge/reports/240611-rbjc1szalc/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
144.202.69.96:22868
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cf5f0f3a-436e-4baa-ab78-fed16ae10128
Unpacked files
SH256 hash:
55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327
MD5 hash:
4527f09378f4b02f9ac29c2b55a5a8b0
SHA1 hash:
b11394a4f3e81c92d4c273a9ae4937c4a0df2cf2
Detections:
Njrat
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
CN_disclosed_20180208_c
Create hunting rule
MAL_Winnti_Sample_May18_1
Create hunting rule
Link:
https://www.unpac.me/results/52c34239-54da-4758-8b67-42c43d0bb996/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55f09b350406/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/55f09b350406ed267aa819e82356ffa7a520c7dad8f4e16444db46a9f32e5327

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
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:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_eb2698d2
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

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

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