MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa
SHA3-384 hash: 51e69001304d259f98c14f54fec83270c5847d6098b7829402aa3ac77d83ab1b034efa5121f6f12430bb1b2f5a57a97c
SHA1 hash: 44c00d5c8777deb86891456d4d98f7edff7f19df
MD5 hash: 926fdaa84f44e35db3a42535d1e8706b
humanhash: massachusetts-paris-kentucky-wolfram
File name:db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa
Download: download sample
Signature njrat
Create hunting rule
File size:2'168'832 bytes
First seen:2022-03-22 13:57:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:XyZwMyADr3BBl0jADfVYC/kyIXD7Vn8AbTuV3qzTucv1t29L:iOF0RBl0Id/oz5nxTeYuc9t29
Threatray 2'293 similar samples on MalwareBazaar
TLSH T1AFA5F31A97E260228D5736EF1B73E9CEDB91D85D0EAC90B95DB250DA4413228CCF336D
File icon (PE):PE icon
dhash icon 93ec64e4e8e0e2d8 (1 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
https://top4top.io/downloadf-16388hf7e1-rar.html
Verdict:
Malicious activity
Analysis date:
2022-03-03 02:33:28 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/5b9f227b-7378-4403-9d29-cac940556ce1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/254370/
Detection(s):
Win.Trojan.Agent-6298576-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Creating a window
Delayed writing of the file
Searching for synchronization primitives
DNS request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
advpack.dll control.exe obfuscated packed packed rundll32.exe setupapi.dll shell32.dll
Link:
https://www.filescan.io/uploads/6239d5efb94fb38cb4ced025/reports/78ccd4d1-6682-4a20-be2f-bcf34fbb2695/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0509d5f-e3e7-4d75-bc11-fe23dc770229
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/961819
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Creates files with lurking names (e.g. Crack.exe)
Detected njRat
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Windows Shell Script Host drops VBS files
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 594300 Sample: 5oOzqbJx9b Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 71 192.168.2.1 unknown unknown 2->71 73 googledownload.ddns.net 2->73 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for dropped file 2->87 89 Antivirus / Scanner detection for submitted sample 2->89 91 13 other signatures 2->91 11 5oOzqbJx9b.exe 3 6 2->11         started        14 wscript.exe 10 2->14         started        17 wscript.exe 2->17         started        19 5 other processes 2->19 signatures3 process4 file5 53 C:\Users\user\AppData\...\Tempprograme.exe, PE32 11->53 dropped 55 C:\Users\user\AppData\Roaming\Worm.vbs, UTF-8 11->55 dropped 57 C:\Users\user\AppData\...\5oOzqbJx9b.exe.log, ASCII 11->57 dropped 21 wscript.exe 9 11->21         started        25 Tempprograme.exe 1 4 11->25         started        59 C:\Users\user\AppData\...\Worm - Copy.vbs, UTF-8 14->59 dropped 115 Windows Shell Script Host drops VBS files 14->115 27 Tempwinlogon.exe 14->27         started        61 C:\Users\user\...\Worm - Copy - Copy.vbs, UTF-8 17->61 dropped 29 Tempwinlogon.exe 17->29         started        63 C:\Users\...\Worm - Copy - Copy - Copy.vbs, UTF-8 19->63 dropped signatures6 process7 file8 45 C:\Users\user\AppData\...\Tempwinlogon.exe, PE32 21->45 dropped 47 C:\Users\user\AppData\Roaming\...\Worm.vbs, UTF-8 21->47 dropped 93 Benign windows process drops PE files 21->93 95 Windows Shell Script Host drops VBS files 21->95 97 Drops VBS files to the startup folder 21->97 31 Tempwinlogon.exe 5 21->31         started        49 C:\Users\user\AppData\Local\...\svcrack.exe, PE32 25->49 dropped 51 C:\Users\user\AppData\Local\...\SMARTB~1.EXE, PE32 25->51 dropped 99 Antivirus detection for dropped file 25->99 101 Multi AV Scanner detection for dropped file 25->101 103 Machine Learning detection for dropped file 25->103 105 Creates files with lurking names (e.g. Crack.exe) 25->105 35 svcrack.exe 1 5 25->35         started        signatures9 process10 file11 65 C:\Users\user\AppData\Local\...\Chromme.exe, PE32 31->65 dropped 77 Antivirus detection for dropped file 31->77 79 Multi AV Scanner detection for dropped file 31->79 81 Machine Learning detection for dropped file 31->81 37 Chromme.exe 31->37         started        67 C:\Users\user\AppData\...\svcrack.exe.log, ASCII 35->67 dropped 69 C:\Users\user\AppData\Roaming\server.exe, PE32 35->69 dropped 83 Creates files with lurking names (e.g. Crack.exe) 35->83 signatures12 process13 dnsIp14 75 googledownload.ddns.net 37->75 107 Antivirus detection for dropped file 37->107 109 Multi AV Scanner detection for dropped file 37->109 111 Machine Learning detection for dropped file 37->111 113 3 other signatures 37->113 41 netsh.exe 37->41         started        signatures15 process16 process17 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-03-17 11:23:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
348
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3omy6eflz7o6ehjfk2zr5cufmayiu6r3qimy5hwejrvn5wpib35a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
11adb6fd4fbcb8fe68033ff2bc3b8cc45b980c573f7c58be291383d5b95d6e41
njrat
22ba4262d93379de524029dafc7528e431e56a22cb293af708c671d7db801c31
njrat
44e401aaf0b52528aa033257c1a1b8a09a2b10edf26edaafcef0f45a2c40e885
njrat
84b57d3d7fdabaebcd85cf01dbf14b9cb94e08fe081abcb60b218c1298c55995
njrat
991d4dc612ff80ab2506510dba31531db995fe3f64318fbffd4e327d77b36c3f
njrat
c9de02209482359466292be7bc0464fc65037698b38c1566cd331720e65f8ea0
njrat
f4f37faf7b52b7544ee58a029dcc54a71941aedcdd2b4eacda2f39c3217aad48
njrat
+ 2'283 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:yyyyyyyyyyyyyyyyyyyyyyyy evasion persistence trojan
Link:
https://tria.ge/reports/220322-q93nwacbal/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
googledownload.ddns.net:1177
Unpacked files
SH256 hash:
b68f1fe7a51c11f34071df887ade5b98147d68f90e7cf4e62191079233883094
MD5 hash:
2588403462dc20d601d705cfa166798c
SHA1 hash:
8a99d5ce65254f0bd6f7a02482effc3e00b490a6
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
9af59846b2231029a72ee10051e270947e2f1702b37d8d13a65e4d87b3ef51a0
MD5 hash:
5916e9b37966aad1c3b0e49830c18e2f
SHA1 hash:
ddbdfef2129e93e75ba3c96336f9c7d8b8a2a1d9
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
c1c0d027d4584c79e23efda83023139a1e71f3afb4be849016094ae32dec2ef4
MD5 hash:
8e45e516ffab95c4e2f4abfcada90d19
SHA1 hash:
cd76bce777c759c354c5eae90cd627a9ba95cd5f
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
8ba6eca5fc9bd451306f79b17beb58ab634b11bdca6824450d22d307a996cdad
MD5 hash:
382d5863f3ce1b5a2230a380cffbddb7
SHA1 hash:
450bfb8654c363242979ba1fb0c1854c61d95aa6
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
914cecc793f14925298e82af7eebe10bda0d46f803c9e719d5353c5de3915ab4
MD5 hash:
e83abe374148f92308d6682cb811e4b1
SHA1 hash:
b46af64733101f7b65060a0d7137a0628d2624f8
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
0346682f7be1837c2199aceb615b7c1e45ec9552123268d5d09c60b7233b4cfb
MD5 hash:
13647419bfb9e3f97be0cae0c4ba0a75
SHA1 hash:
6f40f3190917147c398dff636983a5aadeac7372
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
SH256 hash:
db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa
MD5 hash:
926fdaa84f44e35db3a42535d1e8706b
SHA1 hash:
44c00d5c8777deb86891456d4d98f7edff7f19df
Link:
https://www.unpac.me/results/515c7741-0603-4fb7-83cd-8f500b3fc1cf/
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/db998f10abcfdde21d2556b31e8a8560308a7a3b82198e9ec44c6aded9e80efa

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/254370/

Comments