MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a. 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 2 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a
SHA3-384 hash: 8f706029bee04e9b0153edf4cd40e4a0fa57609d4277404ed89f1cafb9c848763716052b88b79d80a6f3554b618a642b
SHA1 hash: 11a0c3e6806abad641ebb234233c34edade0d8ea
MD5 hash: c3b5b082a3aa2ba15f5ea7971d837b00
humanhash: mike-artist-autumn-bacon
File name:c3b5b082a3aa2ba15f5ea7971d837b00.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'619'900 bytes
First seen:2022-05-12 05:06:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (388 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:+TbBv5rUlIE+iKpZW/cr8eAMD6Jf4+MJ04Pc3VHurvl7cDhYABa/znSglHI0UsTB:ABRE+ier8edDiNwDmV07c9YBJuIS0
Threatray 69 similar samples on MalwareBazaar
TLSH T167752302BDC195B2C4621C33675AAB10B93DBD202F65CFE7A3C46E5DE9612D0DA306E7
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 abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
18.158.249.75:17483

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
18.158.249.75:17483 https://threatfox.abuse.ch/ioc/550069/
18.192.31.165:17483 https://threatfox.abuse.ch/ioc/550806/

Intelligence

File Origin
# of uploads :
1
# of downloads :
369
Origin country :
n/a
Vendor Threat Intelligence
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/269812/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
Searching for analyzing tools
Enabling the 'hidden' option for files in the %temp% directory
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
DNS request
Using the Windows Management Instrumentation requests
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
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/17218/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware overlay packed setupapi.dll shdocvw.dll shell32.dll update.exe
Link:
https://www.filescan.io/uploads/627c961540028d3247cbaa5c/reports/39c9d879-44a8-4e2e-a87f-7be85bcce4e6/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/6540925b-b278-41a2-9444-24ed8f679a96
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/992359
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
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 has nameless sections
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses netsh to modify the Windows network and firewall settings
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 624851 Sample: 72VurWhehv.exe Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic 2->65 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 11 other signatures 2->71 11 72VurWhehv.exe 9 2->11         started        14 svchost.exe 2->14         started        17 svchost.exe 2->17         started        19 13 other processes 2->19 process3 dnsIp4 53 C:\Users\user\AppData\Local\...\build.sfx.exe, PE32 11->53 dropped 22 cmd.exe 1 11->22         started        91 Changes security center settings (notifications, updates, antivirus, firewall) 14->91 24 MpCmdRun.exe 14->24         started        93 Hides threads from debuggers 17->93 55 127.0.0.1 unknown unknown 19->55 57 192.168.2.1 unknown unknown 19->57 file5 signatures6 process7 process8 26 build.sfx.exe 8 22->26         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file9 51 C:\Users\user\AppData\Local\Temp\build.exe, PE32 26->51 dropped 89 Multi AV Scanner detection for dropped file 26->89 34 build.exe 1 5 26->34         started        signatures10 process11 file12 47 C:\Users\user\AppData\Local\...\svchost.exe, PE32 34->47 dropped 73 Antivirus detection for dropped file 34->73 75 Multi AV Scanner detection for dropped file 34->75 77 Detected unpacking (changes PE section rights) 34->77 79 4 other signatures 34->79 38 svchost.exe 2 5 34->38         started        signatures13 process14 dnsIp15 59 18.192.31.165, 17483, 49768 AMAZON-02US United States 38->59 61 0.tcp.eu.ngrok.io 3.125.102.39, 17483, 49763 AMAZON-02US United States 38->61 63 3.125.223.134, 17483, 49826 AMAZON-02US United States 38->63 49 C:\...\1bcfd0297a9d0ccd3817583becd69d82.exe, PE32 38->49 dropped 81 Antivirus detection for dropped file 38->81 83 System process connects to network (likely due to code injection or exploit) 38->83 85 Multi AV Scanner detection for dropped file 38->85 87 10 other signatures 38->87 43 netsh.exe 1 3 38->43         started        file16 signatures17 process18 process19 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a/
Threat name:
Win32.Trojan.Rasftuby
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 15:50:30 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
19 of 41 (46.34%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6p7uy37jyj5dem35juhvrq4ejr57r3c5zv4sw67nnomys36rofa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
4322b25b29f160a08e809764a5dd86deda2289623331867004f85a905ce47769
njrat
495917ba4c1baf471a277c7d06cc1f9b8e5a4bfb6a89987288ba967ed54e611b
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
6013c0ccf38e7be9221db0bc51597cd034cc07ca5c8ca1d0bc16d7b665700512
njrat
d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f
njrat
d31dd64e3df970a07d7a59d0f2d65d12dfeb09fb48605daedcb2863f6bc7c77e
njrat
dbb2f3d9479dbc6f631436059cc68568ede243ce27ee00d667d4b0eb5fa023b3
njrat
dec4cc7a63dd41b7c105a5880da857808127f67b8dc1718a39bc21e7a7073db2
njrat
+ 59 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence suricata
Link:
https://tria.ge/reports/220512-fry8maaef3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
d31dd64e3df970a07d7a59d0f2d65d12dfeb09fb48605daedcb2863f6bc7c77e
MD5 hash:
19032a2236dab8cba5e224fee5d70212
SHA1 hash:
4e569d6be1e2c874e14dc2a72a7b2d36ab916fd0
Link:
https://www.unpac.me/results/647a2b30-ece2-4b34-aa5e-2d2b8e2a4b30/
SH256 hash:
7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a
MD5 hash:
c3b5b082a3aa2ba15f5ea7971d837b00
SHA1 hash:
11a0c3e6806abad641ebb234233c34edade0d8ea
Link:
https://www.unpac.me/results/647a2b30-ece2-4b34-aa5e-2d2b8e2a4b30/
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/7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/269812/

Comments