MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cf006fa584b222653b8a12bfee6c73a46e6aa38e6d14574cd503873e26f1d28. 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: 20


Intelligence 20 IOCs 1 YARA 23 File information Comments

SHA256 hash: 1cf006fa584b222653b8a12bfee6c73a46e6aa38e6d14574cd503873e26f1d28
SHA3-384 hash: 8c181e6d2be0232aa1a6d91df0dfe8d6a142214ea45ff7a7f8b28ff7a3093b199bf0610d9a81b041baa2aff135d79f82
SHA1 hash: 6cd30acc38b9805cef40319df89aca7b4a49ebdf
MD5 hash: 88d3792263b23fb5ed2430f5e4b4dea3
humanhash: april-mars-don-jupiter
File name:publiccocos.exe
Download: download sample
Signature njrat
File size:55'808 bytes
First seen:2026-03-31 04:00:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 1536:AJPCGsDnQwNgkpAAuF2DGwsNMDZXExI3pm2m:MsDnAuo2DGwsNMDZXExI3pm
Threatray 1 similar samples on MalwareBazaar
TLSH T151432844BFEA5A01E2BD8F3468F645150A34BA63F532EB1E48D668DB17327C58C40FE6
TrID 54.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.8% (.EXE) Win64 Executable (generic) (6522/11/2)
3.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
167.62.27.10:2005

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
167.62.27.10:2005 https://threatfox.abuse.ch/ioc/1779375/

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Malware family:
ID:
1
File name:
publiccocos.exe
Verdict:
Malicious activity
Analysis date:
2026-03-31 03:43:40 UTC
Tags:
auto-reg rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-31T00:46:00Z UTC
Last seen:
2026-03-31T04:45:00Z UTC
Hits:
~10
Detections:
Hoax.Win32.BadJoke.sb HEUR:Trojan-Spy.MSIL.Agent.gen HEUR:Trojan-Downloader.MSIL.Agent.gen PDM:Trojan.Win32.Generic Backdoor.Bladabindi.TCP.C&C Backdoor.Agent.TCP.C&C Trojan.MSIL.HydraPOS.sb HEUR:Trojan-Spy.MSIL.KeyLogger.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen Backdoor.MSIL.Bladabindi.sb
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
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
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Unusual module load detection (module proxying)
Uses shutdown.exe to shutdown or reboot the system
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1891236 Sample: publiccocos.exe Startdate: 31/03/2026 Architecture: WINDOWS Score: 100 98 Found malware configuration 2->98 100 Malicious sample detected (through community Yara rule) 2->100 102 Antivirus / Scanner detection for submitted sample 2->102 104 12 other signatures 2->104 8 publiccocos.exe 148 38 2->8         started        13 publiccocos.exe 5 2->13         started        15 publiccocos.exe 2 2->15         started        17 5 other processes 2->17 process3 dnsIp4 90 167.62.27.10 AdministracionNacionaldeTelecomunicacionesUY Uruguay 8->90 78 C:\...\edd5a5d9cbf94832a52ff929809ce608.exe, PE32 8->78 dropped 80 C:\...\c9e424daf1a241cfb5f6f05d71cb493d.exe, PE32 8->80 dropped 112 Disables zone checking for all users 8->112 114 Creates autostart registry keys with suspicious names 8->114 116 Unusual module load detection (module proxying) 8->116 19 c9e424daf1a241cfb5f6f05d71cb493d.exe 8->19         started        23 edd5a5d9cbf94832a52ff929809ce608.exe 8->23         started        25 cmd.exe 8->25         started        27 3 other processes 8->27 82 C:\Users\user\AppData\...\publiccocos.exe.log, ASCII 13->82 dropped file5 signatures6 process7 dnsIp8 60 C:\Users\user\AppData\Local\...\txtout2.exe, PE32 19->60 dropped 62 C:\Users\user\AppData\Local\...\txtout.exe, PE32 19->62 dropped 64 C:\Users\user\AppData\Local\...\sinewaves.exe, PE32 19->64 dropped 72 7 other malicious files 19->72 dropped 106 Antivirus detection for dropped file 19->106 108 Multi AV Scanner detection for dropped file 19->108 30 wscript.exe 19->30         started        66 C:\Users\user\AppData\Local\...\txtout2.exe, PE32 23->66 dropped 68 C:\Users\user\AppData\Local\...\txtout.exe, PE32 23->68 dropped 70 C:\Users\user\AppData\Local\...\sinewaves.exe, PE32 23->70 dropped 74 6 other malicious files 23->74 dropped 33 wscript.exe 23->33         started        110 Uses shutdown.exe to shutdown or reboot the system 25->110 35 conhost.exe 25->35         started        37 shutdown.exe 25->37         started        92 192.168.2.4 unknown unknown 27->92 39 chrome.exe 27->39         started        43 chrome.exe 27->43         started        45 chrome.exe 27->45         started        47 2 other processes 27->47 file9 signatures10 process11 dnsIp12 118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 30->118 120 WScript reads language and country specific registry keys (likely country aware script) 30->120 49 bytebeat1.exe 30->49         started        52 rgb.exe 30->52         started        54 sinewaves.exe 30->54         started        56 Lines.exe 30->56         started        58 bytebeat1.exe 33->58         started        84 67.195.204.151 YAHOO-3US United States 39->84 86 208.80.154.224 WIKIMEDIAUS United States 39->86 88 71 other IPs or domains 39->88 76 Chrome Cache Entry: 343, DOS 39->76 dropped file13 signatures14 process15 signatures16 94 Antivirus detection for dropped file 49->94 96 Multi AV Scanner detection for dropped file 49->96
Verdict:
njRat
YARA:
9 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.29 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: 167.62.27.10
PORT: 2005
Threat name:
ByteCode-MSIL.Backdoor.NjRAT
Status:
Malicious
First seen:
2026-03-31 03:43:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
njrat unc_loader_048
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:covos-publi defense_evasion discovery persistence trojan upx
Behaviour
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
UPX packed file
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
167.62.27.10:2005
Unpacked files
SH256 hash:
1cf006fa584b222653b8a12bfee6c73a46e6aa38e6d14574cd503873e26f1d28
MD5 hash:
88d3792263b23fb5ed2430f5e4b4dea3
SHA1 hash:
6cd30acc38b9805cef40319df89aca7b4a49ebdf
Detections:
win_njrat_w1 NjRat
Malware family:
RevengeRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CN_disclosed_20180208_c
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Mal_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Unknown_Malware_Sample_Jul17_2
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:win_njrat_w1
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