MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b73dc9d5947dd389cbae282955568d35ae3a38acd24983b116cdd8eb7ef67155. 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: 13


Intelligence 13 IOCs 1 YARA 3 File information Comments

SHA256 hash: b73dc9d5947dd389cbae282955568d35ae3a38acd24983b116cdd8eb7ef67155
SHA3-384 hash: 61ee7e7926711bad8d58947dabe81d8807116d172021cecadb6b1cc360467264a5db852ac47b648cdfceef299dfd61ab
SHA1 hash: 6efa34cd3fdb299fcd940c0719d3a172bac83164
MD5 hash: 857aff9992a47764185c61da2493c753
humanhash: charlie-three-oven-fillet
File name:857aff9992a47764185c61da2493c753.exe
Download: download sample
Signature njrat
File size:417'280 bytes
First seen:2021-09-15 15:55:58 UTC
Last seen:2021-09-15 18:58:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:2CkkJWHCM2K4CCdfTwY1Hm866o7OPxR47BFDRkrd:N73CCdrws7o7OPr47jDRk
Threatray 150 similar samples on MalwareBazaar
TLSH T10894CF243DEE801AF173EF755FE475968A6EF7733A02E45E109103874B23A81DD9163A
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
181.140.202.66:1980

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
181.140.202.66:1980 https://threatfox.abuse.ch/ioc/222128/

Intelligence


File Origin
# of uploads :
3
# of downloads :
481
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documentacion.PDF.vbs
Verdict:
Malicious activity
Analysis date:
2021-09-15 12:47:50 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
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-15 15:56:20 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:nyan cat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
njRAT/Bladabindi
Malware Config
C2 Extraction:
pedrobedoya2021.duckdns.org:1980
Unpacked files
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
5ab296bcf8ab9037d22e068e944f7bb28039affcd2275da4f32466d54062b8ae
MD5 hash:
c13507b9a2f597ecff10c6ad4ddfa22c
SHA1 hash:
7995e66356da3238fc4d4d7843a6c724b7039aaf
SH256 hash:
afcffeed7580895f65b1ba09131b2bcc20c89958236ef935ad335171b6ad3f71
MD5 hash:
44b15485ee8376142e2905cb844df68a
SHA1 hash:
60c8a75e11234a5d9b93617a5976ef83263ad49b
SH256 hash:
b73dc9d5947dd389cbae282955568d35ae3a38acd24983b116cdd8eb7ef67155
MD5 hash:
857aff9992a47764185c61da2493c753
SHA1 hash:
6efa34cd3fdb299fcd940c0719d3a172bac83164
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

njrat

Executable exe b73dc9d5947dd389cbae282955568d35ae3a38acd24983b116cdd8eb7ef67155

(this sample)

  
Delivery method
Distributed via web download

Comments