MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 388d43b34733a525ae8262da56bde92f33b6502ef9727b40cefc7a3911a3a514. 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: 15


Intelligence 15 IOCs 4 YARA 11 File information Comments

SHA256 hash: 388d43b34733a525ae8262da56bde92f33b6502ef9727b40cefc7a3911a3a514
SHA3-384 hash: 44879dbaa7782abf42d0eb51c568e3e863d00f411e6b942672896f8d93d6783934c109fb20d1ff4075d34abc24e52ec3
SHA1 hash: 5e34907b1a074a3e7bd03ffc0f0a2ac6c98b2758
MD5 hash: d09aabf49848a6d5def3271235971989
humanhash: pluto-river-football-king
File name:Server.bin
Download: download sample
Signature njrat
File size:95'232 bytes
First seen:2022-06-24 19:52:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:qUF6xreTKsKgrO9t/5NjEwzGi1dDmDNgS:qUjKsKgrO3h6i1dQa
Threatray 130 similar samples on MalwareBazaar
TLSH T19393D74977E96524E0BF56F35471F2014F38B44B1612E39E58F219AA0B33AC44F85FEA
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 KdssSupport
Tags:exe NjRAT

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.142.167.54:17987 https://threatfox.abuse.ch/ioc/725654/
3.142.129.56:17987 https://threatfox.abuse.ch/ioc/725655/
3.142.167.4:17987 https://threatfox.abuse.ch/ioc/725656/
3.142.81.166:17987 https://threatfox.abuse.ch/ioc/725657/

Intelligence


File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2022-06-24 19:33:38 UTC
Tags:
trojan 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
Creating a file
Searching for synchronization primitives
Launching the process to change the firewall settings
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe fingerprint fingerprint greyware keylogger 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
C2 URLs / IPs found in malware configuration
Contains functionality to spread to USB devices (.Net source)
Drops PE files to the startup folder
Drops PE files with benign system names
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
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-06-24 19:53:05 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:black admin evasion
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
OC50Y3Aubmdyb2suaW8Strik:MTc5ODc=
Unpacked files
SH256 hash:
388d43b34733a525ae8262da56bde92f33b6502ef9727b40cefc7a3911a3a514
MD5 hash:
d09aabf49848a6d5def3271235971989
SHA1 hash:
5e34907b1a074a3e7bd03ffc0f0a2ac6c98b2758
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
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: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
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

File information


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

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