MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0. 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 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0
SHA3-384 hash: 2049ae6c071e47d56beaae23749c2c0e21002dbc6a81fba7340cd6bdb0ff2731f93a52a4469dd2419ac692af8d298fcd
SHA1 hash: c4bd37d8fc215561fe12a664c41e1568bc0ee715
MD5 hash: aab43503c625eabdd8a44cba67e61055
humanhash: happy-kilo-tennessee-double
File name:aab43503c625eabdd8a44cba67e61055.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2023-10-09 11:05:30 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 384:R2veoixJhl7OHg1WykrppPl48uiX60rAF+rMRTyN/0L+EcoinblneHQM3epzXENB:0v+R1NkrppqFidrM+rMRa8Nuy5t
Threatray 1'347 similar samples on MalwareBazaar
TLSH T1B6033B4D7FE18168C5FE467705B2D01207BAE04B6E23DA1E8EF5649A37635C18F50AF2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.67.161.133:11854

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
aab43503c625eabdd8a44cba67e61055.exe
Verdict:
Malicious activity
Analysis date:
2023-10-09 12:26:31 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/f0335769-3dbf-443f-beea-286ba7fe0f63

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29039.UNOFFICIAL
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0
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/b857c783-2fef-4e14-bff1-8f3d14752083
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1322111
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
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: 1322111 Sample: P1qURiDOE1.exe Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 31 5.tcp.eu.ngrok.io 2->31 39 Snort IDS alert for network traffic 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 13 other signatures 2->45 9 P1qURiDOE1.exe 1 5 2->9         started        12 server.exe 2 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\server.exe, PE32 9->29 dropped 18 server.exe 2 6 9->18         started        process6 dnsIp7 33 5.tcp.eu.ngrok.io 3.127.181.115, 11854, 49712, 49714 AMAZON-02US United States 18->33 35 3.64.4.198, 11854, 49736, 49746 AMAZON-02US United States 18->35 37 3.67.112.102, 11854, 49719, 49720 AMAZON-02US United States 18->37 27 C:\...\d23353341f37f3ae079efe44b52baa3e.exe, PE32 18->27 dropped 47 Antivirus detection for dropped file 18->47 49 Multi AV Scanner detection for dropped file 18->49 51 Machine Learning detection for dropped file 18->51 53 4 other signatures 18->53 23 netsh.exe 2 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 22:31:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bc44cn2ufduivqgfdgipzhu6ahc22sycwbtr6ms3wlw7v2ggexaa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
3afb59529ffa4513006bc0439666f31bfff54d2d3de260f0f5280e1ac8cc2190
njrat
4af8f255dd229833ca59cf894ce9ad1e3b1685aa6d245356c04e71c2dd69ec60
njrat
6a65ffab90209b9a5fad0523b2878228f7062afc4679742d1efa0e77f419a8d8
njrat
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
d29c210fb38115e7dbab2db78822979b2227a2cdf9809be230bb1af40125b2e3
njrat
+ 1'337 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/231009-m7d1yscd3v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
5.tcp.eu.ngrok.io:11854
Unpacked files
SH256 hash:
08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0
MD5 hash:
aab43503c625eabdd8a44cba67e61055
SHA1 hash:
c4bd37d8fc215561fe12a664c41e1568bc0ee715
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/2ca12d18-e82e-441d-ba13-2f8ab152d378/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/08b9c1375428/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/08b9c1375428e88ac0c51990fc9e9e01c5ad4b02b0671f325bb2edfae8c625c0

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
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:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
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.

Comments