MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2493acac8d8cae5687f709d86a041a2d3b4389b3952a96f1a3bbd12921b8a7f1. 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 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2493acac8d8cae5687f709d86a041a2d3b4389b3952a96f1a3bbd12921b8a7f1
SHA3-384 hash: 7e32c0e8bb6de7dade5f8b243f751b3937d781caba5bf1fdc37c8f15a4def1c73b8c4f2723ecc8a01ac0bd58b2f30b71
SHA1 hash: 3c3763519f77d652b9b0555aa0963320990a264a
MD5 hash: c89a9e24d2bb3b01b3d3ba1c8996f220
humanhash: foxtrot-wisconsin-nevada-dakota
File name:C89A9E24D2BB3B01B3D3BA1C8996F220.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'792'325 bytes
First seen:2022-09-13 09:55:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9f6a32bb8b03dce37903edbc855ba1 (28 x CryptOne, 18 x RedLineStealer, 15 x njrat)
ssdeep 49152:n6vRKsh6v/OF9oRX1wbW84iTTHqDTk2rI74bqO:n6vgsIvGbEX84iyTTc7VO
TLSH T13E85F1CBF40281A5FC375DB04A7DAE903B657DBAA711189A91CE33185EB70E3157B80B
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 64e4c292c4c4d4d4 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
37.120.159.237:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
37.120.159.237:5552 https://threatfox.abuse.ch/ioc/849466/

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309693/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

Win.Packed.Bladabindi-9753104-0
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

SecuriteInfo.com.Gen.Trojan.Olock.1.7103.31161.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 %temp% directory
Creating a process from a recently created file
Launching a process
Creating a file in the %AppData% 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
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
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/37544/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/63205580ba7b8113dd59a06e/reports/8fe72e50-a9d3-496c-b384-67809b6df7b7/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/a465aa40-330c-4199-afd5-593e748c1a51
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069458
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autorun.inf (USB autostart)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables the Windows task manager (taskmgr)
Drops PE files to the startup folder
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
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 701991 Sample: Z6f0wJY5YO.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 8 other signatures 2->64 9 Z6f0wJY5YO.exe 5 9 2->9         started        12 StUpdate.exe 2->12         started        15 Microsoft Corporation.exe 2->15         started        process3 file4 54 C:\Users\user\AppData\...\Unhide_host_E_K.exe, PE32 9->54 dropped 17 Unhide_host_E_K.exe 7 9->17         started        21 WINWORD.EXE 19 20 9->21         started        82 Antivirus detection for dropped file 12->82 84 Multi AV Scanner detection for dropped file 12->84 86 Machine Learning detection for dropped file 12->86 88 Hides threads from debuggers 15->88 signatures5 process6 file7 44 C:\Users\user\AppData\Roaming\server.exe, PE32 17->44 dropped 66 Antivirus detection for dropped file 17->66 68 Multi AV Scanner detection for dropped file 17->68 70 Detected unpacking (changes PE section rights) 17->70 72 3 other signatures 17->72 23 server.exe 2 20 17->23         started        signatures8 process9 dnsIp10 56 37.120.159.237, 5552 M247GB Romania 23->56 46 C:\system.exe, PE32 23->46 dropped 48 a0abaa9461e3510697...4Windows Update.exe, PE32 23->48 dropped 50 C:\Users\user\...\Microsoft Corporation.exe, PE32 23->50 dropped 52 8 other files (5 malicious) 23->52 dropped 74 Antivirus detection for dropped file 23->74 76 Multi AV Scanner detection for dropped file 23->76 78 Detected unpacking (changes PE section rights) 23->78 80 8 other signatures 23->80 28 netsh.exe 3 23->28         started        30 netsh.exe 3 23->30         started        32 netsh.exe 3 23->32         started        34 schtasks.exe 1 23->34         started        file11 signatures12 process13 process14 36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        40 conhost.exe 32->40         started        42 conhost.exe 34->42         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2493acac8d8cae5687f709d86a041a2d3b4389b3952a96f1a3bbd12921b8a7f1/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 14:35:31 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=esj2zlenrsxfnb7xbhmguba2fu5uhcntsuvjn4ndxpissinyu7yq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:evilua_2 evasion trojan
Link:
https://tria.ge/reports/220913-lyck4abaen/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops autorun.inf file
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Drops startup file
Loads dropped DLL
Disables Task Manager via registry modification
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
FRANSESCOzcuFRANSESCOTIwLjE1OS4yFRANSESCOzcStrik:NTU1Mg==
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10a8573e-7958-4680-b663-3314d4bcb67f
Unpacked files
SH256 hash:
2493acac8d8cae5687f709d86a041a2d3b4389b3952a96f1a3bbd12921b8a7f1
MD5 hash:
c89a9e24d2bb3b01b3d3ba1c8996f220
SHA1 hash:
3c3763519f77d652b9b0555aa0963320990a264a
Link:
https://www.unpac.me/results/73e3a417-6727-4e8a-bb2f-b514cf2f7e6b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2493acac8d8c/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/2493acac8d8cae5687f709d86a041a2d3b4389b3952a96f1a3bbd12921b8a7f1

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_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/309693/

Comments