MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb52dc8ab4ec5557c2353624b8ff2f01548662ec194432470c7148828d879bba. 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: 16


Intelligence 16 IOCs 1 YARA 14 File information Comments

SHA256 hash: eb52dc8ab4ec5557c2353624b8ff2f01548662ec194432470c7148828d879bba
SHA3-384 hash: 6dcc1678fb492d68ffa8fbe75aeac83be6143a7f3cd07aeed2a627d0b4cd0dd4be4bbb4efa1123e362b777267abc7b57
SHA1 hash: f8a30540194ff76c0c5fe80ab08c18eb53a13dbb
MD5 hash: 893ae25692f0d06d32bf26203d7390a9
humanhash: quebec-mirror-lactose-nineteen
File name:893AE25692F0D06D32BF26203D7390A9.exe
Download: download sample
Signature njrat
File size:118'272 bytes
First seen:2024-07-16 21:10:17 UTC
Last seen:2024-07-24 22:38:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d59a4a699610169663a929d37c90be43 (75 x DCRat, 22 x njrat, 15 x SalatStealer)
ssdeep 1536:ZB5bxOx6baIa9RZj00ljEwzGi1dDNDEgSKmiEI:ZB5bxbaIa93jNSi1dx9/mZI
TLSH T126C3F84977E52424E4BF56B79871F2000B37B5471632E39E49EA099A0B33AC44F85FEB
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4504/4/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.185.221.21:6240

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.185.221.21:6240 https://threatfox.abuse.ch/ioc/1301849/

Intelligence


File Origin
# of uploads :
2
# of downloads :
458
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
Banker Execution Generic Network Spreading Static Stealth Msilzilla Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Creating a file in the %AppData% directory
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Enabling the 'hidden' option for recently created files
Searching for synchronization primitives
Loading a suspicious library
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
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:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-vm blackworm bladabindi borland_delphi cmd evasive explorer fingerprint fingerprint lolbin macros-on-open msconfig netsh njrat njrat packed rat rundll32 schtasks shell32 stealer update winnti worm
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Disables zone checking for all users
Drops PE files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found strings related to Crypto-Mining
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1474479 Sample: RdJ73GU3N1.exe Startdate: 16/07/2024 Architecture: WINDOWS Score: 100 106 clientsettings.roblox.com 2->106 108 21.ip.gl.ply.gg 2->108 110 5 other IPs or domains 2->110 122 Snort IDS alert for network traffic 2->122 124 Found malware configuration 2->124 126 Malicious sample detected (through community Yara rule) 2->126 128 13 other signatures 2->128 10 RdJ73GU3N1.exe 3 2->10         started        signatures3 process4 file5 68 C:\Users\user\AppData\Local\Temp\system.exe, PE32 10->68 dropped 70 C:\Users\user\...\SolaraBootstrapper.exe, PE32 10->70 dropped 13 SolaraBootstrapper.exe 15 482 10->13         started        18 system.exe 7 10->18         started        process6 dnsIp7 118 github.com 140.82.121.4, 443, 49730 GITHUBUS United States 13->118 120 raw.githubusercontent.com 185.199.111.133, 443, 49731, 49734 FASTLYUS Netherlands 13->120 96 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 13->96 dropped 98 C:\Users\user\AppData\Local\...\libcurl.dll, PE32+ 13->98 dropped 100 C:\...\cd57e4c171d6e8f5ea8b8f824a6a7316.exe, PE32+ 13->100 dropped 104 8 other files (7 malicious) 13->104 dropped 148 Multi AV Scanner detection for dropped file 13->148 20 cd57e4c171d6e8f5ea8b8f824a6a7316.exe 14 5 13->20         started        24 conhost.exe 13->24         started        102 C:\Users\user\AppData\Local\Temp\server.exe, PE32 18->102 dropped 26 server.exe 1 12 18->26         started        file8 signatures9 process10 dnsIp11 112 edge-term4-ams2.roblox.com 128.116.21.4, 443, 49736 ROBLOX-PRODUCTIONUS United States 20->112 114 127.0.0.1 unknown unknown 20->114 130 Multi AV Scanner detection for dropped file 20->130 132 Query firmware table information (likely to detect VMs) 20->132 134 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->134 142 4 other signatures 20->142 29 msedgewebview2.exe 20->29         started        33 msedgewebview2.exe 20->33         started        116 21.ip.gl.ply.gg 147.185.221.21, 49732, 49733, 49735 SALSGIVERUS United States 26->116 72 C:\system.exe, PE32 26->72 dropped 74 bb184cbe7183b80c2e...4Windows Update.exe, PE32 26->74 dropped 76 C:\Umbrella.flv.exe, PE32 26->76 dropped 78 C:\autorun.inf, Microsoft 26->78 dropped 136 Creates autorun.inf (USB autostart) 26->136 138 Disables zone checking for all users 26->138 140 Drops PE files to the startup folder 26->140 144 2 other signatures 26->144 35 netsh.exe 2 26->35         started        file12 signatures13 process14 file15 80 d76bc5a8-4264-426d-a862-bec7bc020f6e.tmp, JSON 29->80 dropped 82 C:\Users\user\AppData\Local\...\Variations, JSON 29->82 dropped 84 C:\Users\user\AppData\Local\Temp\...\index, FoxPro 29->84 dropped 92 43 other malicious files 29->92 dropped 146 Found strings related to Crypto-Mining 29->146 37 msedgewebview2.exe 29->37         started        40 msedgewebview2.exe 29->40         started        42 msedgewebview2.exe 29->42         started        52 2 other processes 29->52 86 df361923-0495-4fea-a604-f14b0733d521.tmp, JSON 33->86 dropped 88 C:\Users\...\Local State~RF5f9cbe.TMP (copy), JSON 33->88 dropped 90 C:\Users\...\Local State~RF5f9a4d.TMP (copy), JSON 33->90 dropped 94 11 other malicious files 33->94 dropped 44 msedgewebview2.exe 33->44         started        46 msedgewebview2.exe 33->46         started        48 msedgewebview2.exe 33->48         started        54 2 other processes 33->54 50 conhost.exe 35->50         started        signatures16 process17 file18 56 fa352287-d2c9-4b0d-b7b8-e69769424022.tmp, JSON 37->56 dropped 58 C:\Users\user\AppData\Local\...\Trust Tokens, SQLite 37->58 dropped 60 C:\Users\...60etwork Persistent State (copy), JSON 37->60 dropped 62 C:\Users\user\AppData\Local\Temp\...\Cookies, SQLite 37->62 dropped 64 f6415f9f-61a9-44d1-9906-bed080cd0b6f.tmp, JSON 44->64 dropped 66 Network Persistent...RF5fa28b.TMP (copy), JSON 44->66 dropped
Threat name:
Win32.Trojan.Multiverze
Status:
Malicious
First seen:
2024-07-11 09:04:14 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence privilege_escalation themida trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Drops autorun.inf file
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Themida packer
Modifies Windows Firewall
Identifies VirtualBox via ACPI registry values (likely anti-VM)
njRAT/Bladabindi
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
21.ip.gl.ply.gg:6240
Unpacked files
SH256 hash:
1253b452cc0b284bee02aa9eb5f36406446801aba66e354ebcca213c65ef9594
MD5 hash:
86051beee1e1809ccda0ad6c9f5b63a2
SHA1 hash:
45b12c36e6c5cd006d39cc29cd0c87ea06c149d3
Detections:
Njrat CN_disclosed_20180208_c MAL_Winnti_Sample_May18_1
SH256 hash:
a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
MD5 hash:
6557bd5240397f026e675afb78544a26
SHA1 hash:
839e683bf68703d373b6eac246f19386bb181713
Detections:
INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
SH256 hash:
eb52dc8ab4ec5557c2353624b8ff2f01548662ec194432470c7148828d879bba
MD5 hash:
893ae25692f0d06d32bf26203d7390a9
SHA1 hash:
f8a30540194ff76c0c5fe80ab08c18eb53a13dbb
Detections:
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_WIN_NjRAT_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_eb2698d2
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetTempPathA

Comments