MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab. 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: 18


Intelligence 18 IOCs 2 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
SHA3-384 hash: f3ce3f877adc0bf1379f9c0db68398b56cce015c08df46261354b5ccaf6143e22d0758c9de8f015d853c4bb3dcc348ed
SHA1 hash: cf28f12a882cd8dfa1b280c2254013a7908d1984
MD5 hash: ef12eb5be4046a8d70e864d3b623bb2d
humanhash: ink-dakota-four-batman
File name:ef12eb5be4046a8d70e864d3b623bb2d.exe
Download: download sample
Signature njrat
Create hunting rule
File size:6'970'488 bytes
First seen:2025-02-02 08:30:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ba5546933531fafa869b1f86a4e2a959 (10 x DCRat, 3 x RedLineStealer, 2 x RemcosRAT)
ssdeep 196608:fGiGxbAQ5owejuJDUX47dwdW0LBTYPERR:+xCaUX47d4xZ
Threatray 1'495 similar samples on MalwareBazaar
TLSH T18466339463F119FACC68D23CD4928E20E7B2BC570774D6CB13E486673F239A5A83B615
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon aebc385c4ce0e8f8 (10 x PythonStealer, 7 x RedLineStealer, 7 x DCRat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.64.4.198:15938

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
18.158.58.205:15938 https://threatfox.abuse.ch/ioc/1395862/
3.64.4.198:15938 https://threatfox.abuse.ch/ioc/1402462/

Intelligence

File Origin
# of uploads :
1
# of downloads :
569
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
ef12eb5be4046a8d70e864d3b623bb2d.exe
Verdict:
Malicious activity
Analysis date:
2025-02-02 08:34:14 UTC
Tags:
python rat njrat bladabindi remote pyinstaller
Link:
https://app.any.run/tasks/1ba76d4d-63ea-417a-a5a2-b942eede24fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Python.Muldrop.22.25853.22601.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679f2d53416a81ccc3c4f913
Tags:
bladabindi autorun njrat proxy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Running batch commands
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Enabling the 'hidden' option for files in the %temp% directory
Creating a file in the %AppData% directory
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
compiled-script expand lolbin microsoft_visual_cc monero obfuscated overlay packed packed packer_detected pyinstaller pyinstaller
Link:
https://www.filescan.io/uploads/679f2d5106d12bc30bf55c07/reports/fd556326-66ac-45c8-bc6d-00663a4d142c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
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:
Unknown
Link:
https://analyze.intezer.com/analyses/0c574cc6-019f-4a0c-9b22-415b0ed2fce1
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1604978
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
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604978 Sample: iNiHc11HRG.exe Startdate: 02/02/2025 Architecture: WINDOWS Score: 100 58 5.tcp.eu.ngrok.io 2->58 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 11 other signatures 2->78 12 iNiHc11HRG.exe 15 2->12         started        16 Discord.exe 2 2->16         started        18 Discord.exe 3 2->18         started        20 Discord.exe 2 2->20         started        signatures3 process4 file5 48 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 12->48 dropped 50 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 12->50 dropped 52 C:\Users\user\AppData\Local\...\python311.dll, PE32+ 12->52 dropped 54 9 other malicious files 12->54 dropped 88 Found pyInstaller with non standard icon 12->88 22 iNiHc11HRG.exe 2 12->22         started        25 conhost.exe 12->25         started        signatures6 process7 file8 46 C:\Users\user\AppData\Local\Temp\INST.exe, PE32 22->46 dropped 27 cmd.exe 1 22->27         started        29 cmd.exe 1 22->29         started        process9 process10 31 INST.exe 1 5 27->31         started        file11 56 C:\Users\user\AppData\Roaming\Discord.exe, PE32 31->56 dropped 66 Antivirus detection for dropped file 31->66 68 Multi AV Scanner detection for dropped file 31->68 70 Machine Learning detection for dropped file 31->70 35 Discord.exe 2 5 31->35         started        signatures12 process13 dnsIp14 60 18.158.58.205, 15938, 62697, 62698 AMAZON-02US United States 35->60 62 5.tcp.eu.ngrok.io 3.64.4.198, 15938, 49708, 49829 AMAZON-02US United States 35->62 64 3.67.112.102, 15938, 62617, 62618 AMAZON-02US United States 35->64 44 C:\...\76f76913a3057d2193e27e6377b7ae49.exe, PE32 35->44 dropped 80 Antivirus detection for dropped file 35->80 82 Multi AV Scanner detection for dropped file 35->82 84 Machine Learning detection for dropped file 35->84 86 4 other signatures 35->86 40 netsh.exe 2 35->40         started        file15 signatures16 process17 process18 42 conhost.exe 40->42         started       
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2023-03-09 20:02:42 UTC
File Type:
PE+ (Exe)
Extracted files:
463
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4xhykm4yxtoqb6tjewqaps3wqptb2nobd3dedwseyqm72zwwnwvq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
njrat
32ac6c7faee6ee709f1ac4eac2254c171c683a1911495101caa91012f790a287
njrat
8f7070b244f6d3559a7e5d4bb8682ec5bca8aacd37104c827d1897c3f6cd0650
njrat
ab6b0c8a2fd898517ff036b9fc94ce581febdab5a69433f491fb70bc55ee1833
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
d29c210fb38115e7dbab2db78822979b2227a2cdf9809be230bb1af40125b2e3
njrat
d6427e58dfa1a8bfb69f510d4c3806c36cbb7fcfac82984cafcd2ff539631f0d
njrat
e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
njrat
error
njrat
+ 1'485 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:- defense_evasion discovery persistence privilege_escalation pyinstaller trojan
Link:
https://tria.ge/reports/250202-ker11atmav/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
5.tcp.eu.ngrok.io:15938
Verdict:
Malicious
Tags:
njrat bladabindi
YARA:
n/a
Link:
https://app.threat.zone/submission/ce2d7753-297c-41ef-b795-ab0fbd70176f
Unpacked files
SH256 hash:
e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
MD5 hash:
ef12eb5be4046a8d70e864d3b623bb2d
SHA1 hash:
cf28f12a882cd8dfa1b280c2254013a7908d1984
Detections:
PyInstaller
Create hunting rule
Link:
https://www.unpac.me/results/51a7fdbe-0382-4648-92df-090e036c6730/
Parent samples :
c9da3969931b59d99a6b21cfabd2677c6c58b848d0a6b19b8c1a9112a2e61e21
e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5cf853398bc/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/e5cf853398bcdd00fa6925a007cb7683e61d35c11ec641da44c419fd66d66dab

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW

Comments