MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7
SHA3-384 hash: f1a070ae3bf8d1bd5e7346ef6c49f51329eedeb8bf85812419ae934b77617eea6600224a50c23c57d79cf9b623e10952
SHA1 hash: f8cdc0c486ae8f89c2cb36dc1b8f597dd5cb8232
MD5 hash: 2c225c91f2dd3d6f7af8bbd6acd7f840
humanhash: undress-cardinal-jupiter-network
File name:fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7
Download: download sample
Signature njrat
Create hunting rule
File size:511'325 bytes
First seen:2020-11-15 22:43:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 6144:0rl2pUgY36UKFEcNp/0xlYG2ugwq8cvTkBXUFUUNP6IQgqhJFuBr2QiI:826qUGEIslvLq8cvwBSPf0PGrP
Threatray 435 similar samples on MalwareBazaar
TLSH EFB4CF01EB81ECB7E1A265318B091F999B7235208E68671577F94ADF8F6C6401E34FB3
Reporter seifreed
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Dropper.NetWire-9793665-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process from a recently created file
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the %AppData% directory
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun by creating a file
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7/
Threat name:
Win32.Trojan.Rasftuby
Create hunting rule
Status:
Malicious
First seen:
2020-11-15 22:44:28 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7365fkimd3nfmvuj2n5stmfdnvdz6ghpc6q4mmplaiomxgtc5c3q._file
Verdict:
malicious
Similar samples:
1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c
njrat
2d6a60fa56688f81b3b1ecebf2eb1ae9b44f41a9e070916c93e3f85dd841d174
njrat
329c2259d6015d98464322b873b783d18da6ac1a13d7ec40d1de9f143659b1bb
njrat
6cb0c6c55411375878184fba0feeee93c99c7f184818449e548ef875486ec38a
njrat
8b2c5362887dbc350aae004bee2ea50b83aee63bdb1d88c2559672e9ca5b91d5
njrat
a43c0d39f01808746f82c041edad38edbb89334c098311331d3e2733824f6259
njrat
d0d7b0c01eaa5af4698c21f599a3266da87672cb27e01c954e2813c31707ccfc
njrat
d98190863e8f53c385de8531ac7e5e89dc61cdaf17df688614ded12c24c78d31
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 425 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201115-zhjt6cq3b2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7
MD5 hash:
2c225c91f2dd3d6f7af8bbd6acd7f840
SHA1 hash:
f8cdc0c486ae8f89c2cb36dc1b8f597dd5cb8232
Link:
https://www.unpac.me/results/b9d685bc-454a-437d-9a41-f45f30c0e25b/
SH256 hash:
c0fcee4b170ba96c247d421497464563d5183fde2a86c5c92bdd0d1e935f7c9f
MD5 hash:
d2ba47b44742d40c11c4db08276c273c
SHA1 hash:
931e3f361a8a5c8f535594d98add0ed42dac0c40
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/b9d685bc-454a-437d-9a41-f45f30c0e25b/
Parent samples :
090e9567b0be8d2dd04b2f10d103c920788c987d7ecee14aad28d2ec7c32a6f5
a6eaffb9d9d278bfcfe0a56c9474cba7c190ce5922ad2580a0c6c0352ac268e7
3b1e7e495d78f1b4a7fd801430e1e52c43c92b23c0641cee3065c75484e1da9b
b67556e2842e58862cd2591cc5624d2c27630301994c4c005ef3cab48ac7a8a0
fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fefdd2a90c1eda565689d37b29b0a36d479f18ef17a1c631eb021ccb9a62e8b7

File information

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

  
Delivery method
Other

Comments