MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b
SHA3-384 hash: 24ba3ce4f81082e4fd0f3151b4eb74d3d8abac9f1ac2fec5b4f1eff3a564ea1c0ba819132d678622ed9bd7415a6abccc
SHA1 hash: f3ce2061da7a5e02e39467181fe8f4ff113d4694
MD5 hash: b51b365d154fc6d2d62a37f7f9626d90
humanhash: papa-nevada-spring-spaghetti
File name:b51b365d154fc6d2d62a37f7f9626d90.exe
Download: download sample
Signature njrat
Create hunting rule
File size:528'035 bytes
First seen:2023-11-07 14:20:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 319b1edcc4538be377f43066c635ffef (8 x RedLineStealer, 2 x njrat, 2 x 44CaliberStealer)
ssdeep 12288:qxjrr7F5qfMs8WduT+tk108niyb52TWHc+fznWno/od6d:qxLsMs8WdUS8kTlnGJ
TLSH T14EB4F222BDC5C871C42114371AE19BB4563CFD2007354EDB5BA86E1E8E746D2A73DBA3
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
35.157.111.131:13427

Intelligence

File Origin
# of uploads :
1
# of downloads :
386
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Dropper.njRAT-9986242-0
Create hunting rule

Win.Dropper.Nanocore-9986456-0
Create hunting rule

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file in the Windows directory
Creating a file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files subdirectories
Launching the process to change network settings
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Creating a file in the mass storage device
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware lolbin njrat overlay packed setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/654a47d53dd412119bf00656/reports/548604df-d488-40cf-9fbc-d13cf4ff707e/overview
Verdict:
Malicious
Labled as:
Fugrafa.Generic
Link:
https://www.hybrid-analysis.com/sample/e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b
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/90752c52-6b3c-424f-b752-b8e1fd55b546
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338252
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates autorun.inf (USB autostart)
Detected VMProtect packer
Drops executables to the windows directory (C:\Windows) and starts them
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)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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: 1338252 Sample: atYwWvTNGv.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 52 7.tcp.eu.ngrok.io 2->52 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 10 atYwWvTNGv.exe 8 2->10         started        13 63969d1bc69bfd683b8b8274fb5912ffRoblox.exe 5 2->13         started        15 Explower.exe 5 2->15         started        17 Roblox.exe 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\Server (1).vmp.exe, PE32 10->50 dropped 19 Server (1).vmp.exe 9 10->19         started        process6 file7 40 C:\Windows\server.exe, PE32 19->40 dropped 68 Drops executables to the windows directory (C:\Windows) and starts them 19->68 23 server.exe 1 16 19->23         started        signatures8 process9 dnsIp10 54 3.124.67.191, 13427, 49734, 49735 AMAZON-02US United States 23->54 56 7.tcp.eu.ngrok.io 3.126.224.214, 13427, 49704, 49713 AMAZON-02US United States 23->56 58 3 other IPs or domains 23->58 42 C:\Windows\SysWOW64xplower.exe, PE32 23->42 dropped 44 C:\Users\user\AppData\Roaming\...\Roblox.exe, PE32 23->44 dropped 46 C:\Users\user\AppData\...xplower.exe, PE32 23->46 dropped 48 7 other malicious files 23->48 dropped 70 Antivirus detection for dropped file 23->70 72 Multi AV Scanner detection for dropped file 23->72 74 Creates autorun.inf (USB autostart) 23->74 76 4 other signatures 23->76 28 netsh.exe 2 23->28         started        30 netsh.exe 2 23->30         started        32 netsh.exe 2 23->32         started        file11 signatures12 process13 process14 34 conhost.exe 28->34         started        36 conhost.exe 30->36         started        38 conhost.exe 32->38         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-11-03 17:21:00 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4yv7plevpufn65xolicqfgnsorz6oclkxsx4j4weewikv4mxiyvq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion vmprotect
Link:
https://tria.ge/reports/231107-rnzwjaaf22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops autorun.inf file
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
VMProtect packed file
Modifies Windows Firewall
Unpacked files
SH256 hash:
3534d7ff820db96fa78e87c304d8fd323b4a9acfddabc17912d3a084a8b49d9e
MD5 hash:
372074178c2323b423256bc9dcba86c5
SHA1 hash:
f0891ed1af5eb6ee807075e803c84b6195062410
Link:
https://www.unpac.me/results/be5b994b-a0b9-4984-a626-8cb706529510/
SH256 hash:
e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b
MD5 hash:
b51b365d154fc6d2d62a37f7f9626d90
SHA1 hash:
f3ce2061da7a5e02e39467181fe8f4ff113d4694
Link:
https://www.unpac.me/results/be5b994b-a0b9-4984-a626-8cb706529510/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e62bf7ac957d/report/overview.html
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/e62bf7ac957d0adf76ee5a050299b27473e7096abcafc4f2c42590aaf197462b

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

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