MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5. 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


DonutLoader


Vendor detections: 11


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

SHA256 hash: cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5
SHA3-384 hash: 81a9fdcd2befa774ef7dac4b136aed2b0050490d6a2404bc2cbf5dc27903b917b6ef64107298e527328fbd1421ac4a30
SHA1 hash: 477d0f793df11c1b76ab38b27a75209b39051e4b
MD5 hash: 4134154100eafac3952a4d9de6ad3990
humanhash: cup-pasta-leopard-robin
File name:PURCHASE ORDER KDT WH925070968007.js
Download: download sample
Signature DonutLoader
Create hunting rule
File size:4'685'292 bytes
First seen:2025-10-06 11:17:15 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:P3lk003uapOiASOP2pAVFJ1ubT/nQ6bayBo19KGuqxZrVxCSHqAKBGrjuIGT7kRt:b
Threatray 1'598 similar samples on MalwareBazaar
TLSH T132265209A533CC190EDD0EF43DB20CA5691CA9AFC0FC1B6A6478CD3573D49785AFA662
Magika javascript
Reporter abuse_ch
Tags:donutloader js

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e3a56b91bc581176cc621a
Tags:
backdoor spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68e3a5b1d4a0085473c17581/reports/7f50fa2d-fc41-4868-81da-08ddb2b3db91/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5
Verdict:
Malicious
File Type:
js
First seen:
2025-10-06T03:51:00Z UTC
Last seen:
2025-10-08T09:19:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1789695
Signature
.NET source code contains a sample name check
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Detected Remcos RAT
Drops script or batch files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789695 Sample: PURCHASE ORDER KDT WH925070... Startdate: 06/10/2025 Architecture: WINDOWS Score: 100 119 api.ipify.org 2->119 121 api.findip.net 2->121 139 Suricata IDS alerts for network traffic 2->139 141 Found malware configuration 2->141 143 Malicious sample detected (through community Yara rule) 2->143 145 15 other signatures 2->145 11 wscript.exe 1 1 2->11         started        14 cmd.exe 1 2->14         started        16 cmd.exe 2->16         started        18 8 other processes 2->18 signatures3 process4 dnsIp5 159 Wscript starts Powershell (via cmd or directly) 11->159 161 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->161 163 Suspicious execution chain found 11->163 165 Creates processes via WMI 11->165 21 cmd.exe 1 11->21         started        24 cmd.exe 1 14->24         started        26 conhost.exe 14->26         started        28 cmd.exe 16->28         started        30 conhost.exe 16->30         started        123 127.0.0.1 unknown unknown 18->123 32 cmd.exe 18->32         started        34 cmd.exe 18->34         started        36 cmd.exe 18->36         started        38 11 other processes 18->38 signatures6 process7 signatures8 147 Suspicious powershell command line found 21->147 149 Wscript starts Powershell (via cmd or directly) 21->149 40 cmd.exe 1 21->40         started        42 conhost.exe 21->42         started        44 cmd.exe 1 24->44         started        47 cmd.exe 28->47         started        49 cmd.exe 32->49         started        51 cmd.exe 34->51         started        53 cmd.exe 36->53         started        55 cmd.exe 38->55         started        57 3 other processes 38->57 process9 signatures10 59 cmd.exe 2 40->59         started        173 Suspicious powershell command line found 44->173 175 Wscript starts Powershell (via cmd or directly) 44->175 62 powershell.exe 44->62         started        65 conhost.exe 44->65         started        67 2 other processes 47->67 69 2 other processes 49->69 71 2 other processes 51->71 73 2 other processes 53->73 75 2 other processes 55->75 77 6 other processes 57->77 process11 file12 167 Suspicious powershell command line found 59->167 169 Wscript starts Powershell (via cmd or directly) 59->169 79 powershell.exe 5 45 59->79         started        84 conhost.exe 59->84         started        103 C:\Users\user\AppData\Roaming\...\5447.bat, ASCII 62->103 dropped 171 Detected Remcos RAT 62->171 105 C:\Users\user\AppData\Roaming\...\e578.bat, ASCII 67->105 dropped 107 C:\Users\user\AppData\Roaming\...\dfed.bat, ASCII 69->107 dropped 109 C:\Users\user\AppData\Roaming\...\9caa.bat, ASCII 71->109 dropped 111 C:\Users\user\AppData\Roaming\...\c72a.bat, ASCII 73->111 dropped 113 C:\Users\user\AppData\Roaming\...\638b.bat, ASCII 75->113 dropped 115 C:\Users\user\AppData\Roaming\...\6c71.bat, ASCII 77->115 dropped 117 C:\Users\user\AppData\Roaming\...\3de4.bat, ASCII 77->117 dropped signatures13 process14 dnsIp15 125 172.245.209.211, 2404, 49681, 49684 AS-COLOCROSSINGUS United States 79->125 127 api.findip.net 104.21.93.189, 443, 49687 CLOUDFLARENETUS United States 79->127 129 api.ipify.org 104.26.12.205, 443, 49686 CLOUDFLARENETUS United States 79->129 95 C:\Users\user\AppData\Local\Temp\TH335C.tmp, MS-DOS 79->95 dropped 97 C:\Users\user\AppData\Local\Temp\TH332C.tmp, MS-DOS 79->97 dropped 99 C:\Users\user\AppData\Local\Temp\TH2F91.tmp, PE32 79->99 dropped 101 C:\Users\user\AppData\Roaming\...\d96c.bat, ASCII 79->101 dropped 131 Detected Remcos RAT 79->131 133 Drops script or batch files to the startup folder 79->133 135 Writes to foreign memory regions 79->135 137 5 other signatures 79->137 86 RmClient.exe 2 79->86         started        89 RmClient.exe 1 79->89         started        91 RmClient.exe 1 79->91         started        93 2 other processes 79->93 file16 signatures17 process18 signatures19 151 Tries to steal Mail credentials (via file registry) 86->151 153 Tries to harvest and steal browser information (history, passwords, etc) 86->153 155 Tries to steal Instant Messenger accounts or passwords 89->155 157 Tries to steal Mail credentials (via file / registry access) 89->157
Score:
74%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 06:53:22 UTC
File Type:
Text (HTML)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7fqopump7ascadyhh4jtrbzoabdxx7gk2jev5rcndzuly5ov6sq._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
remcos
Create hunting rule
Similar samples:
15ddcaed4f9a9e7ef07e4f64b3850a76b0d8ac74971d770b936c6bce3e415e6b
DonutLoader
1eeefad3b4af3c0592006bbf93b5ef9c958d72470aa26bb2c042f5e3966eb059
DonutLoader
4245e415209b1f13c215b623c3ccf1020d1e01e7ac9084a2f20d7a1abf79834a
DonutLoader
55d4016c8f623f7b769eed0a0299f664c48e58816e963636e47dce86fe0a16eb
DonutLoader
a3ee2f845200a4782510c67342e6f440ce804b9d724b33e0ddf9d3956d22f851
DonutLoader
b22d450f1a3799f1c1d1ab6a655a8f9987b32d7d15b254fd586fb4aab34a9d65
DonutLoader
c21c7cc14b61c0426a6c6fe79bb99c72cebfee16c9f6fd08195ad8800a26c6b7
DonutLoader
error
DonutLoader
+ 1'588 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader
Link:
https://tria.ge/reports/251006-ne863aak91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Drops startup file
Badlisted process makes network request
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Detects DonutLoader
DonutLoader
Donutloader family
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.15
Link:
https://yomi.yoroi.company/submissions/cfcb073e8c7fc121007839f899c43970023bdfe656924af62268f345e3aeafa5

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_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.

Comments