MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05c00383eba2647e26d43fca841cad518b3932bb423ed39a6ac6d478c0e1d406. 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 14 File information Comments

SHA256 hash: 05c00383eba2647e26d43fca841cad518b3932bb423ed39a6ac6d478c0e1d406
SHA3-384 hash: 9df28bccd7963ac0c4ea7259b851ebc782af86fc13890c62e49b629e754e5598a2d83b962d352b13e7b37ab581f7fcdf
SHA1 hash: 560025e93889c0db417fffea91c944f82ba60ce6
MD5 hash: c157a6b9e72e48ce6bd2907096f7fb82
humanhash: black-india-autumn-whiskey
File name:c157a6b9e72e48ce6bd2907096f7fb82.exe
Download: download sample
Signature njrat
File size:95'232 bytes
First seen:2023-05-14 13:50:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:Zlk1GkeUqZJO5iNSimjEwzGi1dDsDGgS:ZlPUqZJOQAOi1dyr
Threatray 205 similar samples on MalwareBazaar
TLSH T19B93E84977E56524E1BF56F79471F2404E34B48B1602E39E48F219AA0B33AC44F89FEB
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:
185.167.96.202:5552

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c157a6b9e72e48ce6bd2907096f7fb82.exe
Verdict:
Malicious activity
Analysis date:
2023-05-14 13:53:48 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
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Launching the process to change network settings
Searching for synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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.exe fingerprint fingerprint greyware njrat packed rat rundll32.exe stealer update.exe winnti
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:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to spread to USB devices (.Net source)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 865802 Sample: YDcF5VZiWO.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 9 other signatures 2->40 7 YDcF5VZiWO.exe 1 10 2->7         started        process3 dnsIp4 32 185.167.96.202, 49690, 5552 CLOUDWEBMANAGE-EUGB Netherlands 7->32 24 e636fa1aa66082be31...2Windows Update.exe, PE32 7->24 dropped 26 C:\Users\user\...\Microsoft Corporation.exe, PE32 7->26 dropped 28 e636fa1aa66082be31...exe:Zone.Identifier, ASCII 7->28 dropped 30 Microsoft Corporat...exe:Zone.Identifier, ASCII 7->30 dropped 42 Drops PE files to the startup folder 7->42 44 Uses netsh to modify the Windows network and firewall settings 7->44 46 Modifies the windows firewall 7->46 12 netsh.exe 3 7->12         started        14 netsh.exe 3 7->14         started        16 netsh.exe 3 7->16         started        file5 signatures6 process7 process8 18 conhost.exe 12->18         started        20 conhost.exe 14->20         started        22 conhost.exe 16->22         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-05-05 19:53:37 UTC
File Type:
PE (.Net Exe)
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:host1 evasion
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
FRANSESCOTg1LjE2Ny45Ni4yFRANSESCODIStrik:NTU1Mg==
Unpacked files
SH256 hash:
05c00383eba2647e26d43fca841cad518b3932bb423ed39a6ac6d478c0e1d406
MD5 hash:
c157a6b9e72e48ce6bd2907096f7fb82
SHA1 hash:
560025e93889c0db417fffea91c944f82ba60ce6
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
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
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
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
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
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220

File information


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

Comments