MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30a8476df0edf82af16c19205e52479eaa97a699a34d1c27a8f102a64c55e906. 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: 12


Intelligence 12 IOCs 1 YARA 5 File information Comments

SHA256 hash: 30a8476df0edf82af16c19205e52479eaa97a699a34d1c27a8f102a64c55e906
SHA3-384 hash: 35613817ed1da07318f5e12678625d73764f605be3c1886f690f9a781ed6378fe779ef2edf866fdab42b071cb030d3b6
SHA1 hash: 6a9a02941364f12aba985f0b6d33dec2e9bc99b2
MD5 hash: 52405905a953285cde483df26ba232e4
humanhash: louisiana-kilo-sweet-asparagus
File name:52405905a953285cde483df26ba232e4.exe
Download: download sample
Signature njrat
File size:1'712'792 bytes
First seen:2022-02-26 17:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 49152:PQUM97qRjaQSwIhrMLzeF1o2jM342Xbk+:4UMBqRuhFF1UIE
Threatray 719 similar samples on MalwareBazaar
TLSH T13685E14AE71156C0EC95467996F863013355BBF01CDB820BF2D9367DC6AAFE92F8428C
File icon (PE):PE icon
dhash icon ac0caca6a6a6cecc (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
107.161.93.171:2023

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
107.161.93.171:2023 https://threatfox.abuse.ch/ioc/390989/

Intelligence


File Origin
# of uploads :
1
# of downloads :
419
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Njrat gzRat
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
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected gzRat
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 579227 Sample: HYzOXnaLX4.exe Startdate: 26/02/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 12 other signatures 2->60 7 HYzOXnaLX4.exe 1 5 2->7         started        11 Vefqian.exe 2 2->11         started        13 Vefqian.exe 1 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\...\Vefqian.exe, PE32 7->42 dropped 44 C:\Users\user\...\Vefqian.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\...\HYzOXnaLX4.exe.log, ASCII 7->46 dropped 62 Writes to foreign memory regions 7->62 64 Injects a PE file into a foreign processes 7->64 15 cmd.exe 1 7->15         started        18 RegAsm.exe 3 2 7->18         started        66 Antivirus detection for dropped file 11->66 68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 21 cmd.exe 1 11->21         started        23 RegAsm.exe 1 11->23         started        25 cmd.exe 1 13->25         started        27 RegAsm.exe 13->27         started        signatures5 process6 dnsIp7 72 Uses ping.exe to check the status of other devices and networks 15->72 29 PING.EXE 1 15->29         started        32 conhost.exe 15->32         started        48 direccionimpuetos.ignorelist.com 107.161.93.171, 2023, 49730 ASN-QUADRANET-GLOBALUS United States 18->48 74 Changes the view of files in windows explorer (hidden files and folders) 18->74 34 PING.EXE 1 21->34         started        36 conhost.exe 21->36         started        38 PING.EXE 1 25->38         started        40 conhost.exe 25->40         started        signatures8 process9 dnsIp10 50 yahoo.com 74.6.231.20 YAHOO-NE1US United States 29->50 52 74.6.143.25 YAHOO-3US United States 34->52
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-02-26 00:52:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 42 (40.48%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:lime persistence suricata trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE njRAT/Bladabindi Variant (Lime) CnC Checkin
Malware Config
C2 Extraction:
direccionimpuetos.ignorelist.com:2023
Unpacked files
SH256 hash:
6a33ae749a97de2f60574c2bc2adcf19fa753bbeee5d8e84530e0d765a7dfbfa
MD5 hash:
420960aed1df548f67182ff676ccfb5c
SHA1 hash:
fe7f45ab245865c911e8239601b81d03b80dfcd4
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
SH256 hash:
30a8476df0edf82af16c19205e52479eaa97a699a34d1c27a8f102a64c55e906
MD5 hash:
52405905a953285cde483df26ba232e4
SHA1 hash:
6a9a02941364f12aba985f0b6d33dec2e9bc99b2
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:INDICATOR_KB_CERT_731d40ae3f3a1fb2bc3d8395
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificate
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Comments