MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
SHA3-384 hash: da0da5ba913385c086df360d47d478446cb3bf58ac0f17e3ed0e831f53458dab0e8ab7dc2022cb664437dc81c2a40874
SHA1 hash: 6eef13bc0dc8535bf5796eb4cf604a1ddd403925
MD5 hash: 2d969ac05ad61e5cae89e7ba240d07ff
humanhash: missouri-sink-red-hawaii
File name:SecuriteInfo.com.Gen.NN.ZemsilF.34804.vm0@aaeHu@bi.18523
Download: download sample
Signature njrat
File size:349'184 bytes
First seen:2021-02-08 02:02:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:ibC5PX4iQJflrrS8EXWTwXiP44DX+3lyoDwD8mqY6Zs3slu0FZqSqakw6kqEMlXE:ibOlmB4XsCMEJjSnwXt
Threatray 7 similar samples on MalwareBazaar
TLSH 57740961BD332BE4F1BBE15E80A0B80D177DE7E5C5281A9C0633E8D5520BA923ED7D91
Reporter SecuriteInfoCom
Tags:NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.NN.ZemsilF.34804.vm0@aaeHu@bi.18523
Verdict:
Malicious activity
Analysis date:
2021-02-08 02:04:08 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
DNS request
Connection attempt
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2021-02-07 23:20:51 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
ransomware
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
55d8cda333465b34b43ec5edf604f9c0d3e85a8cc7492ecb8039f5c5bf4c88fd
MD5 hash:
05523960014e7b6ea579a68845c9dd94
SHA1 hash:
43b47f8df5572057aa8fa7563aab02c747093068
SH256 hash:
974ac014c016efead4613309b5f012de9181b60efe7b3b3ac2badee9f6017c11
MD5 hash:
367e47a4c108d88e79351c38b2c9d267
SHA1 hash:
45f6988c5b6858865bca03b5fde02f05daf8529c
SH256 hash:
a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
MD5 hash:
2d969ac05ad61e5cae89e7ba240d07ff
SHA1 hash:
6eef13bc0dc8535bf5796eb4cf604a1ddd403925
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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:MALWARE_Win_DLAgent02
Author:ditekSHen
Description:Detects known downloader agent downloading encoded binaries in patches from paste-like websites, most notably hastebin
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected

File information


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

Web download

njrat

Executable exe a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e

(this sample)

  
Delivery method
Distributed via web download

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