MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1
SHA3-384 hash: aa8297684a09c9b194a9ae3e41a386de9d8115c56b6fbc2c876f3f6088a112e512febbef7090f8f987c9a365c9330ba8
SHA1 hash: 301806396d82a7ffad348031f7d721a2f9ddec3d
MD5 hash: bac5ffdd183db11d63fc21860d1337b8
humanhash: east-don-white-dakota
File name:1n2KftKC.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-09-30 11:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:nZy98P9mvYyJy6vnbjfiKSMewzGeLXl9D9O5UE5QzwBlpJNakkjh/TzF7pWndtSd:ZK8PYghGb7t/itvQO+8tK+L
Threatray 19 similar samples on MalwareBazaar
TLSH DE13F78CB684A174D5FF8BF1A491B2890B719057A906D30FD9F114ED8FB3AC09A11EE7
Reporter pmelson
Tags:exe NjRAT Njratgold

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/67109/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Msilperseus-9220094-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/478247
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Drops PE files to the startup folder
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-30 11:34:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dofvp7omwmexjlybsog7dqlk3yuz22cp34jcpdl6drgagzqfudaq._file
Verdict:
suspicious
Similar samples:
04a4d40515b77903bb9472b01aaf951f059236999665e847a660ed99d929b78b
njrat
20aa773ce4d4e0709faeba02937cc789c114e726f6336c1dcd6c206f00514af2
njrat
27402b880603cda1dbdab2ec37d774328493b488c06cc41ce9a9ab85a295fbf9
njrat
28f39e656758b6c40db049e40bbfe958a7a20a754ea6531ccca3e4fdb8dcc66a
njrat
9ae3d2baf3c382b46b56e3e50547bd83bd1d6cc85f82aadaf2281a1b404e5fa0
njrat
b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a
njrat
c2a645b457a4ba814aa0c116f2a501176531ce29d32a695c45c5022d6aabb271
njrat
c6d93ae492f6a2b687c64cc388cf0a483f44428b843c5b384c156f018a2cf63c
njrat
e2136c8268bb5be4fe2a295a9bb9250c00437452cd3d65822290e3a68b1fb94b
njrat
eb086d6c54841616485b2ad99ed2e2e2ebc21f01e6c5a58611ac914f70b5042f
njrat
+ 9 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/200930-9nffhwnxan/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Drops startup file
Unpacked files
SH256 hash:
1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1
MD5 hash:
bac5ffdd183db11d63fc21860d1337b8
SHA1 hash:
301806396d82a7ffad348031f7d721a2f9ddec3d
Link:
https://www.unpac.me/results/b680f43c-2c6f-4aec-8781-84652ee4d2d7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1

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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory

File information

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

Web download

njrat

Executable exe 1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1

(this sample)

  
Link
https://www.virustotal.com/gui/file/1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/67109/

Comments