MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f. 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: 21


Intelligence 21 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
SHA3-384 hash: 3f5973b8b9a52c75376fe88dcf6be10720c2483520d0161dd7abb6ca92f82a3331bdc3828578002f696b2d9b76c349b1
SHA1 hash: 3ea50453d28be442991fd415272c935086dd5b67
MD5 hash: 77fce1f69ab91dc0f1df5b030d3f1f61
humanhash: hawaii-eight-mountain-lake
File name:gObHb7n1HzBGz5N.exe
Download: download sample
Signature njrat
Create hunting rule
File size:473'088 bytes
First seen:2025-10-14 05:50:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:5j08jj7bvWhwsdvnJCzWUl2JsovdKiOK3Kb9H+S2lfGVUb/yxw9E2X3tB2MesG2g:h0aj7bqbdvnJ5fOK3Kd+SPVmyxc3HtU
Threatray 1'510 similar samples on MalwareBazaar
TLSH T173A4F1583715E91BC9959B784931F27802798DE8B511D386AFED7EEFB8B9F002C00687
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
196.251.88.235:50084

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
196.251.88.235:50084 https://threatfox.abuse.ch/ioc/1613365/

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
gObHb7n1HzBGz5N.exe
Verdict:
Malicious activity
Analysis date:
2025-10-14 06:18:23 UTC
Tags:
auto-sch-xml njrat rat bladabindi
Link:
https://app.any.run/tasks/312de60d-2948-4b8d-94d2-30e283ea59b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32623/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ede4b804e22ce9acd9c4d6
Tags:
micro spawn shell
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/68ede4b571883144ef35a8fc/reports/411554c6-44e2-4b29-9c14-234cb6040110/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T23:45:00Z UTC
Last seen:
2025-10-15T14:44:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.MSIL.Taskun.gen Backdoor.Bladabindi.TCP.C&C Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.sb Backdoor.MSIL.Bladabindi.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f/results?tab=lookup
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f7396f3-815c-4e29-a95d-84bfe38c83f8
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1794469
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1794469 Sample: gObHb7n1HzBGz5N.exe Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 8 other signatures 2->58 7 gObHb7n1HzBGz5N.exe 7 2->7         started        11 mCJJerlcldct.exe 5 2->11         started        13 svchost.exe 1 1 2->13         started        process3 dnsIp4 38 C:\Users\user\AppData\...\mCJJerlcldct.exe, PE32 7->38 dropped 40 C:\Users\...\mCJJerlcldct.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp5B88.tmp, XML 7->42 dropped 44 C:\Users\user\...\gObHb7n1HzBGz5N.exe.log, ASCII 7->44 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 64 Injects a PE file into a foreign processes 7->64 16 powershell.exe 23 7->16         started        19 gObHb7n1HzBGz5N.exe 2 2 7->19         started        22 schtasks.exe 1 7->22         started        66 Multi AV Scanner detection for dropped file 11->66 24 schtasks.exe 1 11->24         started        26 mCJJerlcldct.exe 11->26         started        28 mCJJerlcldct.exe 11->28         started        48 127.0.0.1 unknown unknown 13->48 file5 signatures6 process7 dnsIp8 50 Loading BitLocker PowerShell Module 16->50 30 WmiPrvSE.exe 16->30         started        32 conhost.exe 16->32         started        46 196.251.88.235, 50084 Web4AfricaZA Seychelles 19->46 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/77fce1f69ab91dc0f1df5b030d3f1f61
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 06:08:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxx2lb76jclhgwi5bxs5vcthucsvqm444cwg3z5n43lchoqqjyxq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0f67fe74fb4cf4338c01d4fef99efbc2d7fa49d5acd524e0dd7a7700c8c80af4
njrat
6b99c4f6b8babd1543ea649610670d97754414f0ca42564205aa4b08ce8471b4
njrat
bc7d48593d1e5e0d3d78e66ae0e88cba54e4d52d0d95f1c8f69ba32986246413
njrat
c77df447c372e2aa22b4fb528775f2ac2be22e0595f02ceb3c40c9944cf689d4
njrat
error
njrat
+ 1'500 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat discovery execution persistence trojan
Link:
https://tria.ge/reports/251014-gkbpesep3z/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
196.251.88.235:50084
Verdict:
Malicious
Tags:
Bladabindi njrat
YARA:
n/a
Link:
https://app.threat.zone/submission/53b042b7-951c-49b1-ba45-b0b23b752f0c
Unpacked files
SH256 hash:
c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
MD5 hash:
77fce1f69ab91dc0f1df5b030d3f1f61
SHA1 hash:
3ea50453d28be442991fd415272c935086dd5b67
Link:
https://www.unpac.me/results/35ae0689-61b0-498f-b0e6-bd363b9880b1/
SH256 hash:
b6781edd819929c2fe8b41985314c4eaed3c35ce05a61cdf911da3f09de53074
MD5 hash:
69fe9dc75c1792830f0a6d2525d05b22
SHA1 hash:
ae712836721804406194a813b91c7dd9f122d28c
Link:
https://www.unpac.me/results/35ae0689-61b0-498f-b0e6-bd363b9880b1/
SH256 hash:
bb4f6b14742acf79a41ac8b0e8b739ba08c46699b4c8f53e516d95762e4a6e76
MD5 hash:
41aa302305ef8202669359ba4fde5b1f
SHA1 hash:
b4acad13df52207a5cb57037ee775f2a8b15ddbb
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/35ae0689-61b0-498f-b0e6-bd363b9880b1/
SH256 hash:
2c2e2c75636530c4c40567b850a52063b55e445d2f408d10a92fdc5e7733c3fa
MD5 hash:
61212ca537fee8d87267215bbfc5e9c5
SHA1 hash:
eef01ae4159d7947964011edc2eb515c416feff9
Detections:
win_njrat
Create hunting rule
win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/35ae0689-61b0-498f-b0e6-bd363b9880b1/
Parent samples :
289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5efa587fe48/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/c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f

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:ByteCode_MSIL_Backdoor_NjRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects NjRAT backdoor.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:njrat_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:yarahub_win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/32623/

Comments