MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308
SHA3-384 hash: 4f5df2844ff0f32d8f27311223b72a0ae796bdb646d50def158d7894e15818df8cec5f046affdc515b37c7d5367147d7
SHA1 hash: 5092ccfed12798f5f03fb3443cde07c44445cae7
MD5 hash: a1049bda2b63eb89fcaf564cca56c589
humanhash: high-aspen-papa-alanine
File name:TEMS_Steup_CaAlc.msi
Download: download sample
Signature njrat
Create hunting rule
File size:1'650'720 bytes
First seen:2025-06-23 01:49:28 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:MVrL7GOGMo7NSK/Iqwp/6A5Wgz501SuWYZ3e:OqJMomq2/6IZd01t+
Threatray 2 similar samples on MalwareBazaar
TLSH T18E75F15036A08136C6E20732C565B375376D6D2C4F3046DB63A4B2DDBA775C09A32AFE
TrID 86.8% (.MSI) Microsoft Windows Installer (454500/1/170)
11.6% (.MST) Windows SDK Setup Transform script (61000/1/5)
1.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter aachum
Tags:donutloader msi NjRAT ValleyRAT winos

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
ES ES
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10619/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6858b2efb06783b9ebd6a7fe
Tags:
shellcode vmdetect dropper spawn
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308
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:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1720564
Signature
Contain functionality to detect virtual machines
Drops executables to the windows directory (C:\Windows) and starts them
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
System process connects to network (likely due to code injection or exploit)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1720564 Sample: TEMS_Steup_CaAlc.msi Startdate: 23/06/2025 Architecture: WINDOWS Score: 84 62 img.nmxzjl.icu 2->62 68 Multi AV Scanner detection for dropped file 2->68 70 Multi AV Scanner detection for submitted file 2->70 10 msiexec.exe 76 29 2->10         started        14 msiexec.exe 5 2->14         started        16 OpenWith.exe 2->16         started        signatures3 process4 file5 50 C:\Windows\Installer\MSIED42.tmp, PE32 10->50 dropped 52 C:\Users\user\AppData\Local\sys.sys, PE32+ 10->52 dropped 80 Drops executables to the windows directory (C:\Windows) and starts them 10->80 82 Sample is not signed and drops a device driver 10->82 18 regsvr32.exe 8 12 10->18         started        23 MSIED42.tmp 10->23         started        signatures6 process7 dnsIp8 64 img.nmxzjl.icu 104.21.19.237, 443, 49682 CLOUDFLARENETUS United States 18->64 42 C:\Users\user\AppData\...\vcruntime140.dll, PE32 18->42 dropped 44 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32 18->44 dropped 46 C:\Users\user\AppData\Local\...\down.exe, PE32 18->46 dropped 48 C:\Users\user\AppData\...\DataReport.dll, PE32 18->48 dropped 72 System process connects to network (likely due to code injection or exploit) 18->72 25 cmd.exe 1 18->25         started        28 down.exe 6 18->28         started        74 Contain functionality to detect virtual machines 23->74 file9 signatures10 process11 file12 76 Uses ping.exe to sleep 25->76 78 Uses ping.exe to check the status of other devices and networks 25->78 31 PING.EXE 1 25->31         started        34 conhost.exe 25->34         started        54 C:\ProgramData\706B2C\vcruntime140.dll, PE32 28->54 dropped 56 C:\ProgramData\706B2C\msvcp140.dll, PE32 28->56 dropped 58 C:\ProgramData\706B2C\WindowsEvent.exe, PE32 28->58 dropped 60 C:\ProgramData\706B2C\DataReport.dll, PE32 28->60 dropped 36 reg.exe 1 1 28->36         started        38 WindowsEvent.exe 28->38         started        signatures13 process14 dnsIp15 66 127.0.0.1 unknown unknown 31->66 40 conhost.exe 36->40         started        process16
Score:
64%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 01:50:53 UTC
File Type:
Binary (Archive)
Extracted files:
86
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3w2qpbihgomrvpifuq24lnua2zyipm74buipl643esomvt772mea._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
donut_injector
Create hunting rule
Similar samples:
04dd0f7ac3fecee4174058464f27034dc75a62672dbc71c5a75729c202f43c2b
njrat
ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308
njrat
error
njrat
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery loader persistence privilege_escalation
Link:
https://tria.ge/reports/250623-b9k2haxygz/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Event Triggered Execution: Component Object Model Hijacking
Enumerates connected drives
Network Share Discovery
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7d6b8ded-202b-4563-87f0-026978c12dcd
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ddb507850733/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/ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308

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:NET
Create hunting rule
Author:malware-lu
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

njrat

Microsoft Software Installer (MSI) msi ddb507850733991abd05a435c5b680d67087b3fc0d10f5fb9b249ccacfffd308

(this sample)

  
Link
https://tria.ge/250623-b4jw9axydz/behavioral1
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/10619/

Comments