MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19644edf3abd6ec9eeca8c1cbb852ef4eb3626e303c068517b9c1b28542eef73. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 19644edf3abd6ec9eeca8c1cbb852ef4eb3626e303c068517b9c1b28542eef73
SHA3-384 hash: b9690b9ffd83ff1d326b0d7297f3bcf781fbcf60ee722df82d1e7dfee3c4a2cb8d98f5affc3f60e06cbca117fc31a8f3
SHA1 hash: bef5de9f14cd173b37403014ab9e354d45b17db9
MD5 hash: 8d58b0ed9d0f8f9a24155c90c3e2dd1d
humanhash: social-friend-twelve-delta
File name:Cleaner.exe.vir
Download: download sample
Signature njrat
Create hunting rule
File size:1'126'912 bytes
First seen:2022-06-18 12:10:11 UTC
Last seen:2022-06-18 12:39:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:6k0RfpRL5BBvZtJ2imXsaBlBc9peYTzIfW:sRRvZtJzmXsa7BcPRc
Threatray 232 similar samples on MalwareBazaar
TLSH T1463533100E4D1F9CE6B856FCA8B56E0EB5CCE4A5D1B6997F8372021932D9ADBC7DC009
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4505/5/1)
8.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter KdssSupport
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
Cleaner.exe
Verdict:
Malicious activity
Analysis date:
2022-06-18 12:02:25 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/b7e99477-7776-417f-93de-5461032f32a1

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/281152/
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed shell32.dll
Link:
https://www.filescan.io/uploads/62adc0b9c07f2e38a157b340/reports/2af2a6e4-1e58-48d8-8dd1-6d8471ccef7d/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ee44e1ea-b500-4e22-b122-24a138268d63
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015653
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
C2 URLs / IPs found in malware configuration
Creates autorun.inf (USB autostart)
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
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
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 dnsIp2 2 Behavior Graph ID: 648146 Sample: Cleaner.exe.vir Startdate: 18/06/2022 Architecture: WINDOWS Score: 100 42 2.tcp.eu.ngrok.io 2->42 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for dropped file 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 9 Cleaner.exe.exe 1 6 2->9         started        13 svhost.exe 3 2->13         started        15 svhost.exe 2 2->15         started        17 svhost.exe 2 2->17         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\svhost.exe, PE32 9->36 dropped 38 C:\Users\user\...\svhost.exe:Zone.Identifier, ASCII 9->38 dropped 40 C:\Users\user\AppData\...\Cleaner.exe.exe.log, ASCII 9->40 dropped 66 Detected unpacking (changes PE section rights) 9->66 68 Detected unpacking (overwrites its own PE header) 9->68 70 Hides threads from debuggers 9->70 19 svhost.exe 2 11 9->19         started        signatures6 process7 dnsIp8 44 2.tcp.eu.ngrok.io 3.127.138.57, 10979, 49746, 49768 AMAZON-02US United States 19->44 46 18.156.13.209, 10979, 49754, 49790 AMAZON-02US United States 19->46 48 5 other IPs or domains 19->48 28 C:\svchost.exe, PE32 19->28 dropped 30 C:\...\ae948ac04cbd85ede52f5c7263e4e87c.exe, PE32 19->30 dropped 32 C:\svchost.exe:Zone.Identifier, ASCII 19->32 dropped 34 2 other malicious files 19->34 dropped 58 Antivirus detection for dropped file 19->58 60 Detected unpacking (changes PE section rights) 19->60 62 Detected unpacking (overwrites its own PE header) 19->62 64 10 other signatures 19->64 24 netsh.exe 1 3 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/19644edf3abd6ec9eeca8c1cbb852ef4eb3626e303c068517b9c1b28542eef73/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 12:11:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dfse5xz2xvxmt3wkrqolxbjo6tvtmjxdapagqul3tqnsqvbo55zq._file
Verdict:
unknown
Similar samples:
471edd7506612091e9f8ee99e718fe6a18cc705f109119e66cb9c2c5b400ba1f
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
7f9ffa637f4e13d1919bea687ac61c2263dfc762ee6bc95bdf6b5ccc4b7e8b8a
njrat
b4401786ef72c3baf0f60c69e620839a1967cb79d398aae5ec9f5eb84fa46705
njrat
d31dd64e3df970a07d7a59d0f2d65d12dfeb09fb48605daedcb2863f6bc7c77e
njrat
e0652f5006eae91054efb1cc8945e3df842fdc93e029518fc9f9e3dee58dd2a2
njrat
+ 222 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/220618-pclhnaggaj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
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
njRAT/Bladabindi
Unpacked files
SH256 hash:
19644edf3abd6ec9eeca8c1cbb852ef4eb3626e303c068517b9c1b28542eef73
MD5 hash:
8d58b0ed9d0f8f9a24155c90c3e2dd1d
SHA1 hash:
bef5de9f14cd173b37403014ab9e354d45b17db9
Link:
https://www.unpac.me/results/c85d7f75-d07a-447b-bac6-b42103588e39/
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/19644edf3abd6ec9eeca8c1cbb852ef4eb3626e303c068517b9c1b28542eef73

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
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/281152/

Comments