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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1. 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: 14


Intelligence 14 IOCs 3 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1
SHA3-384 hash: 3cf9e0db3f00a5bdff0037ce5e31e831d5a4fd5a5b3acfab8c9c332285d288c36f34cb82ed44d8f12e26c1c0cebd6791
SHA1 hash: 1624adb1b664a82b1e2605227e017d339d6f52e9
MD5 hash: e3909de6ca1d545d7c45dff1d9a09fe4
humanhash: low-timing-king-uranus
File name:3C386A66E5F1D1B341A1466ABDFD137FC23B39956009A.exe
Download: download sample
Signature njrat
Create hunting rule
File size:5'214'208 bytes
First seen:2022-10-07 20:51:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'697 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 49152:WaFPC7nRODEYCFEvlmOmTgtFM3uK5m3imrHuiff+puWV355FXw/+zuWV355FXw/C:FYR8EYzEFTgtFM3ukm3imPntpRrR
TLSH T1EB369DA0A7623073D48665710092D57259287D30771A2AA78BCFCC9F7AF91CDEB6C327
TrID 40.1% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
14.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
8.7% (.EXE) InstallShield setup (43053/19/16)
8.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
File icon (PE):PE icon
dhash icon 30f0d4f0f0f0f030 (2 x njrat, 1 x Quakbot)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.255.159.61:1182

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
141.255.159.61:1182 https://threatfox.abuse.ch/ioc/872284/
141.255.159.61:1188 https://threatfox.abuse.ch/ioc/872285/
141.255.159.61:5555 https://threatfox.abuse.ch/ioc/872287/

Intelligence

File Origin
# of uploads :
1
# of downloads :
418
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317749/
Detection(s):
PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Win.Malware.Aa93a15d-6745814-0
Create hunting rule

Win.Malware.Crypterx-9962719-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Win.Ransomware.Ransomx-9963560-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Bladbindi-1
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.Ratenjay-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process with a hidden window
Running batch commands
Creating a window
Searching for synchronization primitives
DNS request
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Changing a file
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
Setting a single autorun event
Query of malicious DNS domain
Blocking the Windows Defender launch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
anti-vm bladabindi cmd.exe cscript.exe explorer.exe fingerprint greyware greyware njrat packed patcher predator rat shell32.dll stealer windows
Link:
https://www.filescan.io/uploads/63409172d089a0c15dd5c9a3/reports/a8667fac-92fe-4fa4-8589-056c4b9dfd6d/overview
Malware family:
HackTool
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c23d3b1-c50c-4cb4-af5a-702dd9176e6b
Result
Threat name:
njRat, MicroClip
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086050
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.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 to launch java
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected njRat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Drops PE files to the startup folder
Drops PE files to the user root directory
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
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
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
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 MicroClip
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718608 Sample: 3C386A66E5F1D1B341A1466ABDF... Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 96 midou.duckdns.org 2->96 108 Snort IDS alert for network traffic 2->108 110 Multi AV Scanner detection for domain / URL 2->110 112 Malicious sample detected (through community Yara rule) 2->112 114 22 other signatures 2->114 11 3C386A66E5F1D1B341A1466ABDFD137FC23B39956009A.exe 7 2->11         started        14 svchost32.exe 2->14         started        signatures3 process4 file5 90 C:\Users\user\AppData\LocalnKCHAEbIGf.exe, PE32 11->90 dropped 92 C:\Users\user\AppData\LocalRtxdt_rOdN.exe, PE32 11->92 dropped 94 3C386A66E5F1D1B341...3B39956009A.exe.log, ASCII 11->94 dropped 16 LocalnKCHAEbIGf.exe 6 11->16         started        20 LocalRtxdt_rOdN.exe 1 7 11->20         started        process6 file7 66 C:\Users\user\AppData\LocalykPEWLOXjL.exe, PE32 16->66 dropped 68 C:\Users\user\AppData\LocalM_HSlyAaIP.exe, PE32 16->68 dropped 102 Antivirus detection for dropped file 16->102 104 Multi AV Scanner detection for dropped file 16->104 106 Machine Learning detection for dropped file 16->106 22 LocalykPEWLOXjL.exe 5 16->22         started        26 LocalM_HSlyAaIP.exe 5 16->26         started        70 C:\Users\user\...\Microsoft Windows.exe, PE32 20->70 dropped 28 Microsoft Windows.exe 20->28         started        signatures8 process9 dnsIp10 72 C:\Users\user\windows loader.exe, PE32 22->72 dropped 74 C:\Users\user\svchost32.exe, PE32 22->74 dropped 76 C:\Users\user\kms tap driver.exe, PE32 22->76 dropped 78 C:\Users\user\kms driver.exe, PE32 22->78 dropped 116 Antivirus detection for dropped file 22->116 118 Multi AV Scanner detection for dropped file 22->118 120 Machine Learning detection for dropped file 22->120 122 Drops PE files to the user root directory 22->122 31 svchost32.exe 22->31         started        34 kms tap driver.exe 22->34         started        36 windows loader.exe 22->36         started        38 kms driver.exe 15 22->38         started        80 C:\Users\user\AppData\Local\Temp\java.exe, PE32 26->80 dropped 40 java.exe 26->40         started        100 midou.duckdns.org 141.255.159.61, 1170, 1182, 1188 IELOIELOMainNetworkFR France 28->100 82 C:\...\1220f3d22fa6a15bff15dd6ca45a06ee.exe, PE32 28->82 dropped 124 Protects its processes via BreakOnTermination flag 28->124 126 Creates autostart registry keys with suspicious names 28->126 128 Creates multiple autostart registry keys 28->128 44 netsh.exe 28->44         started        file11 signatures12 process13 dnsIp14 136 Detected unpacking (changes PE section rights) 31->136 138 Detected unpacking (overwrites its own PE header) 31->138 140 Machine Learning detection for dropped file 31->140 46 cmd.exe 34->46         started        142 Query firmware table information (likely to detect VMs) 36->142 49 conhost.exe 38->49         started        98 reserva01.duckdns.org 40->98 84 C:\...\0774bfb60a53c36c2bdece08db35ff3f.exe, PE32 40->84 dropped 86 C:\Users\user\AppData\...\tmpFC34.tmp.exe, PE32 40->86 dropped 88 C:\Users\user\AppData\...\tmp45D0.tmp.exe, PE32 40->88 dropped 144 Antivirus detection for dropped file 40->144 146 Multi AV Scanner detection for dropped file 40->146 148 Protects its processes via BreakOnTermination flag 40->148 150 6 other signatures 40->150 51 netsh.exe 40->51         started        53 conhost.exe 44->53         started        file15 signatures16 process17 signatures18 132 Uses cmd line tools excessively to alter registry or file data 46->132 134 Uses schtasks.exe or at.exe to add and modify task schedules 46->134 55 reg.exe 46->55         started        58 conhost.exe 46->58         started        60 reg.exe 46->60         started        64 21 other processes 46->64 62 conhost.exe 51->62         started        process19 signatures20 130 Disable Windows Defender real time protection (registry) 55->130
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-10-06 23:53:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
83
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hq4guzxf6hi3gqnbizvl37itp7bdwomvmae2l2yusodggsyfcxiq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:caly evasion persistence trojan upx
Link:
https://tria.ge/reports/221007-znppkadee9/
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
UPX packed file
Modifies Windows Defender Real-time Protection settings
Modifies security service
njRAT/Bladabindi
Malware Config
C2 Extraction:
reserva01.duckdns.org:1182
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0edf7f00-d11b-4ab8-97ef-1d55c8cbe29b
Unpacked files
SH256 hash:
3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1
MD5 hash:
e3909de6ca1d545d7c45dff1d9a09fe4
SHA1 hash:
1624adb1b664a82b1e2605227e017d339d6f52e9
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/29e98805-e488-4636-894c-31a549edad58/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c386a66e5f1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Worm
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/3c386a66e5f1d1b341a1466abdfd137fc23b39956009a5eb149386634b0515d1

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CMD_Shutdown
Create hunting rule
Author:adm1n_usa32
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:INDICATOR_EXE_Packed_PS2EXE
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with PS2EXE
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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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
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/317749/

Comments