MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928. 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 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928
SHA3-384 hash: 1edc897ca017770875f4fad0d573b0a97cf5ed319ee502ee40185c8ab67b25700781d0d0648d39630a9fae0069caf2b2
SHA1 hash: 2543c33c1ff9eb8e8a184ff8c687740e9fd83435
MD5 hash: 9c8fef1ece83cde9f8a4f737b8cd38fa
humanhash: virginia-august-angel-december
File name:bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928
Download: download sample
Signature njrat
Create hunting rule
File size:434'288 bytes
First seen:2022-03-23 09:31:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:WquErHF6xC9D6DmR1J98w4oknqO/CyQftQYqYbLmKV:brl6kD68JmlokQfttqY2KV
TLSH T1379412829BFA9216F6F61F35493898B44A35BC679E38C64D86247C4F7C31B04DCA4B72
File icon (PE):PE icon
dhash icon 82cc9ac6769a9e54 (2 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/256013/
Detection(s):
PUA.Win.Packer.Upolyx-12
Create hunting rule

Win.Malware.Azorult-6971822-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Enabling the 'hidden' option for recently created files
Launching a process
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Searching for the window
Creating a window
Launching the process to change the firewall settings
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit overlay packed
Link:
https://www.filescan.io/uploads/623ae962b94fb38cb4d80f3e/reports/4a57a2a1-09f1-4dcd-a66c-b46adacb83c5/overview
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.
Gathering data
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/962657
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Detected njRat
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 21:17:00 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
34 of 42 (80.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4rq3rxi2woqo3d5zuu2wf4nzfbs7av72cm75y5e7zpq6qglteua._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:14 mai generateur xbox evasion trojan upx
Link:
https://tria.ge/reports/220323-lhsmdabgb3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
89.94.35.57:1604
Unpacked files
SH256 hash:
1fbe149b1fd5ccecc6e7ecbedb2e1181f3b2def56ff01f0b233ec36ac6887542
MD5 hash:
fd4a60a50089d2f94e19969fae4f63fe
SHA1 hash:
ae28bfc222e5d26299156f89fa21682a583accd1
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/23afa5b0-3921-426a-87de-c6f554d6b400/
SH256 hash:
0e9a9bb574c1252df25a812040b45c0ff4bf0abf41762955010f080a0d5345bf
MD5 hash:
4dc5d4536eb354fd899e89c16d9dcad6
SHA1 hash:
1c38c54eabab1550ff135b6a856aa7adad11fbda
Link:
https://www.unpac.me/results/23afa5b0-3921-426a-87de-c6f554d6b400/
SH256 hash:
bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928
MD5 hash:
9c8fef1ece83cde9f8a4f737b8cd38fa
SHA1 hash:
2543c33c1ff9eb8e8a184ff8c687740e9fd83435
Link:
https://www.unpac.me/results/23afa5b0-3921-426a-87de-c6f554d6b400/
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/bf230dc6e8d59d076c7dcd29ab178dc9432f82bfd099fee3a4fe5f0f40cb9928

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/256013/

Comments