MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6. 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: 15


Intelligence 15 IOCs 1 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6
SHA3-384 hash: 880cd51df346d6cea52044b63d87b1a16f215053adf1078d1797f0f660879a415cb2ed10d32090f9c2db54cc98a8c0c5
SHA1 hash: a221ecf82df1650b6a34b15cfcf052581d316aa6
MD5 hash: e409c85a0d1dcf43d2ed11c436e9aabe
humanhash: uncle-harry-november-seven
File name:achwithrat.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'044'541 bytes
First seen:2022-07-14 21:45:06 UTC
Last seen:2022-07-15 00:17:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:+TbBv5rUlI0u071tPEhpJG+D8400YEJYYY:ABRerLi8400pJYYY
Threatray 1'904 similar samples on MalwareBazaar
TLSH T169251203BDC2D4B3D42218314B656B22A97C7E202F648EEFA3D52E5DD9211D0E7357BA
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter Anonymous
Tags:exe NjRAT


Avatar
Anonymous
Retrieved from: https://tmpfiles.org/dl/345944/achwithrat.exe

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.127.59.75:10296 https://threatfox.abuse.ch/ioc/837939/

Intelligence

File Origin
# of uploads :
2
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
achwithrat.exe
Verdict:
Malicious activity
Analysis date:
2022-07-14 21:45:00 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/0ea626e9-5fdf-4dc6-9229-6b4193280f8e

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/289184/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Steam.28157.UNOFFICIAL
Create hunting rule

Win.Malware.Fugrafa-9938779-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
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 Program Files subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a process
Changing a file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi greyware njrat overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/62d08ed9d4394d7310294521/reports/f22e7301-41a7-400d-afc3-1b0e95fd251a/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.
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d7bbb18-6856-475a-8a21-077feeac9ede
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1031883
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Uses regedit.exe to modify the Windows registry
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 664377 Sample: achwithrat.exe Startdate: 14/07/2022 Architecture: WINDOWS Score: 100 83 yastatic.net 2->83 85 yandex.ru 2->85 87 25 other IPs or domains 2->87 107 Snort IDS alert for network traffic 2->107 109 Malicious sample detected (through community Yara rule) 2->109 111 Antivirus detection for dropped file 2->111 113 15 other signatures 2->113 10 achwithrat.exe 1 6 2->10         started        signatures3 process4 file5 67 C:\Program Files (x86)\skleika\jopa.exe, PE32 10->67 dropped 69 C:\Program Files (x86)\skleika\ach.exe, PE32 10->69 dropped 13 ach.exe 5 16 10->13         started        16 jopa.exe 4 9 10->16         started        process6 dnsIp7 71 C:\Program Files (x86)\ach\2.exe, PE32 13->71 dropped 20 cmd.exe 13 13->20         started        23 cmd.exe 13->23         started        25 cmd.exe 13->25         started        29 34 other processes 13->29 79 35.158.159.254, 10296, 49805 AMAZON-02US United States 16->79 81 4.tcp.eu.ngrok.io 3.121.139.82, 10296, 49749, 50100 AMAZON-02US United States 16->81 73 C:\svchost.exe, PE32 16->73 dropped 75 C:\...\f61a5d905ecbb8c8be462972af515144.exe, PE32 16->75 dropped 77 C:\autorun.inf, Microsoft 16->77 dropped 101 Protects its processes via BreakOnTermination flag 16->101 103 Creates autorun.inf (USB autostart) 16->103 105 Creates autostart registry keys with suspicious names 16->105 27 netsh.exe 1 3 16->27         started        file8 signatures9 process10 signatures11 115 Uses regedit.exe to modify the Windows registry 20->115 31 chrome.exe 13 182 20->31         started        34 conhost.exe 20->34         started        36 chrome.exe 23->36         started        38 conhost.exe 23->38         started        40 chrome.exe 25->40         started        42 conhost.exe 25->42         started        44 conhost.exe 27->44         started        46 chrome.exe 29->46         started        48 37 other processes 29->48 process12 dnsIp13 95 192.168.2.1 unknown unknown 31->95 97 192.168.2.22 unknown unknown 31->97 99 239.255.255.250 unknown Reserved 31->99 50 chrome.exe 31->50         started        53 chrome.exe 36->53         started        55 chrome.exe 40->55         started        57 chrome.exe 46->57         started        59 chrome.exe 48->59         started        61 chrome.exe 48->61         started        63 chrome.exe 48->63         started        65 4 other processes 48->65 process14 dnsIp15 89 yastatic.net 178.154.131.215, 443, 49867, 49868 YANDEXRU Russian Federation 50->89 91 178.154.131.217, 443, 50078, 50140 YANDEXRU Russian Federation 50->91 93 56 other IPs or domains 50->93
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-07-14 21:46:14 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifaxm55z7nxmrzeklrrt3jiqqpvirb6tj3w4ptjlrirr4hlq4xla._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0e29156381dd95e3a986aa7aec1ce6738a9e4cf588427a481968a6ab681d2714
njrat
5613785f0f57fc6fa19e13180cf8bdc58677aefc33fcfc80d26378ee0d96d232
njrat
5ccee64d7cda44cac1e1ebe9be61d2888c2d28dfa0c8cf0e255fe8b153cad342
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njrat
cf0f62c6105ceec3db23af296678feed3ea95d14ff032223d5397c7351cfc9e0
njrat
e5e11e02cec3f28ad19cabe5f684bc74f5e616d291e4e241dcd586552a33b5d5
njrat
+ 1'894 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:gay evasion persistence suricata trojan
Link:
https://tria.ge/reports/220714-1ml3qabcan/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops autorun.inf file
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Remote Desktop)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
Malware Config
C2 Extraction:
4.tcp.eu.ngrok.io:10296
Unpacked files
SH256 hash:
41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6
MD5 hash:
e409c85a0d1dcf43d2ed11c436e9aabe
SHA1 hash:
a221ecf82df1650b6a34b15cfcf052581d316aa6
Link:
https://www.unpac.me/results/64efe639-e49b-4182-beb6-c24ace00ac67/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41417677b9fb/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/41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Web download

njrat

Executable exe 41417677b9fb6ec8e48a5c633da51083ea8887d34eedc7cd2b8a231e1d70e5d6

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/289184/

Comments