MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508
SHA3-384 hash: 619b5538afd0a221f06d7ccf8255a5510599f13f4cda9cf53d594c9a922e98488e1a3ae7578bb65f93d54e55df03bf96
SHA1 hash: 8fa2e7addd0d6b31efe62a0f30b045358a1387bf
MD5 hash: 82cbb26666cd6e3974889b944d264441
humanhash: network-hot-sad-burger
File name:3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508
Download: download sample
Signature njrat
Create hunting rule
File size:1'061'376 bytes
First seen:2021-02-28 07:23:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:eLOnWbJ2x7EJtOc8B755szmsg3feqwNcWvGd3:eLUoEbP593XwNE3
Threatray 66 similar samples on MalwareBazaar
TLSH 573501DD7224B2EFC857D5B2DE682CA8EB0434BB871B4617941715AD9E4C98BCF240F2
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
550
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:05:17 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/182afaf5-c866-44ff-8a9d-b0d4e3225353

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/119942/
Detection(s):
Win.Packed.Razy-9808221-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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.
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620835
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect sleep reduction / modifications
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected njRat
Detected unpacking (changes PE section rights)
Drops PE files to the startup folder
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359411 Sample: POj5TboLE9 Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 102 xred.mooo.com 2->102 104 googlehosted.l.googleusercontent.com 2->104 106 2 other IPs or domains 2->106 112 Malicious sample detected (through community Yara rule) 2->112 114 Antivirus detection for dropped file 2->114 116 Antivirus / Scanner detection for submitted sample 2->116 118 14 other signatures 2->118 12 POj5TboLE9.exe 1 4 2->12         started        16 NpYKCcBqCA.exe 2->16         started        18 RzEcMDJFoA.exe 1 2->18         started        20 4 other processes 2->20 signatures3 process4 file5 94 C:\Users\user\AppData\...\RzEcMDJFoA.exe, PE32 12->94 dropped 96 C:\Users\...\RzEcMDJFoA.exe:Zone.Identifier, ASCII 12->96 dropped 98 C:\Users\user\AppData\...\POj5TboLE9.exe.log, ASCII 12->98 dropped 134 Detected unpacking (changes PE section rights) 12->134 136 Creates multiple autostart registry keys 12->136 138 Injects a PE file into a foreign processes 12->138 146 2 other signatures 12->146 22 POj5TboLE9.exe 1 3 12->22         started        140 Antivirus detection for dropped file 16->140 142 Multi AV Scanner detection for dropped file 16->142 144 Machine Learning detection for dropped file 16->144 26 NpYKCcBqCA.exe 16->26         started        28 RzEcMDJFoA.exe 18->28         started        30 Synaptics.exe 20->30         started        signatures6 process7 file8 86 C:\Users\user\AppData\...86pYKCcBqCA.exe, PE32 22->86 dropped 88 C:\Users\...88pYKCcBqCA.exe:Zone.Identifier, ASCII 22->88 dropped 120 Creates multiple autostart registry keys 22->120 122 Injects a PE file into a foreign processes 22->122 32 POj5TboLE9.exe 1 5 22->32         started        35 POj5TboLE9.exe 22->35         started        37 NpYKCcBqCA.exe 26->37         started        39 RzEcMDJFoA.exe 28->39         started        41 Synaptics.exe 30->41         started        signatures9 process10 file11 74 C:\Users\user\...\._cache_POj5TboLE9.exe, PE32 32->74 dropped 76 C:\ProgramData\Synaptics\Synaptics.exe, PE32 32->76 dropped 78 C:\...\Synaptics.exe:Zone.Identifier, ASCII 32->78 dropped 43 ._cache_POj5TboLE9.exe 1 5 32->43         started        47 Synaptics.exe 32->47         started        80 C:\Users\user\...\._cache_NpYKCcBqCA.exe, PE32 37->80 dropped 49 ._cache_NpYKCcBqCA.exe 37->49         started        51 Synaptics.exe 37->51         started        82 C:\Users\user\...\._cache_RzEcMDJFoA.exe, PE32 39->82 dropped 53 ._cache_RzEcMDJFoA.exe 39->53         started        55 Synaptics.exe 39->55         started        84 C:\ProgramData\...\._cache_Synaptics.exe, PE32 41->84 dropped 57 ._cache_Synaptics.exe 41->57         started        process12 file13 90 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 43->90 dropped 92 C:\Users\user\...\._cache_POj5TboLE9.exe.log, ASCII 43->92 dropped 124 Antivirus detection for dropped file 43->124 126 Multi AV Scanner detection for dropped file 43->126 128 Machine Learning detection for dropped file 43->128 59 Server.exe 4 5 43->59         started        130 Detected unpacking (changes PE section rights) 47->130 64 WerFault.exe 23 9 47->64         started        132 Injects a PE file into a foreign processes 51->132 66 Synaptics.exe 51->66         started        68 WerFault.exe 55->68         started        signatures14 process15 dnsIp16 108 127.0.0.1 unknown unknown 59->108 100 C:\...\316cc8fdf2ba11b55349f6a002cabe83.exe, PE32 59->100 dropped 148 Antivirus detection for dropped file 59->148 150 Multi AV Scanner detection for dropped file 59->150 152 Protects its processes via BreakOnTermination flag 59->152 154 4 other signatures 59->154 70 netsh.exe 59->70         started        110 192.168.2.1 unknown unknown 64->110 file17 signatures18 process19 process20 72 conhost.exe 70->72         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 01:52:15 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
277a2404fd4b34ba64813a529d1029bd7f1971b14a09df35e382ae639c3c28a2
njrat
34055e32ff75d3b4a7569150b3934dcca63b0af99dc5a3f36a578e47569a6f64
njrat
446145c058e2249da01e0311f3f84fb8402e492d67d9a0606fee671ac09d374b
njrat
535d9ea8428481430462dacdbbe737d35a97ac4ee6ac42f077cf4ab596d4bc84
njrat
8c211b69ddc5c6aa664dd1fcef4d07a068af45d821b7abf2022dfe9d6c268d41
njrat
9ff57f0d96d9acd70a97443615827c202175da5827ff23e000fb98567b6e366a
njrat
b034d443d2102e50067ebe86836081c476251abee55df5549afcadc3147fcd2a
njrat
bd0d884649509aece899372e0bea6f6dbe833b463e35206753dae69a0bc60632
njrat
e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356
njrat
ee922b6d10fed127ef2be15c74e0cdfcc18d4bb7ef8a27c34b3ff34e6c492bd9
njrat
+ 56 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210228-hsz5p1949e/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508
MD5 hash:
82cbb26666cd6e3974889b944d264441
SHA1 hash:
8fa2e7addd0d6b31efe62a0f30b045358a1387bf
Link:
https://www.unpac.me/results/7565f676-4c6a-4271-b42b-e88213383b46/
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/3ecb471f2c1a3d3f33dbe47bc9457adfb09206948ec16c2d3f9c9a29f5b44508

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/119942/

Comments