MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e
SHA3-384 hash: ccb751353ff993527267c7bd76c11e13409b1cc57f55a40fab4867aac50d0ccc14211d2570ffb0272acb2d8bbb0ac897
SHA1 hash: 87d33576509db4fab935e4d5da1d9bd9e1bd40bf
MD5 hash: bd64031796abdb767d79b518297527a7
humanhash: beryllium-four-equal-nineteen
File name:update.msi
Download: download sample
Signature DonutLoader
Create hunting rule
File size:8'765'440 bytes
First seen:2025-05-27 12:30:26 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:kQwwQdXKxTR/LLpHHrD6KeLZIeKwaFh/XHBH/f:lYBwTRRnrD6lZIeKDz1H
Threatray 11 similar samples on MalwareBazaar
TLSH T1DE963317D69A414DDCE40270B33A86B150A7DC765A1638A26CFCF705B8F637ACEA3285
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter JAMESWT_WT
Tags:donutloader host8-grid-cfd JVR-Soft-Oy msi signed

Code Signing Certificate

Organisation:JVR-Soft Oy
Issuer:SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:sha256WithRSAEncryption
Valid from:2025-05-21T18:45:47Z
Valid to:2026-05-21T18:45:47Z
Serial number: 0e02fa85ab77fe9e40a12927e5994951
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 0193a0e6e86d4a0329a0b6b0ecef3a3da9f2c7c054b0571ed15b1781c8899523
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
IT IT
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/5838/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6835b189acf88f5815e792ec
Tags:
shellcode virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context installer keylogger signed wix
Link:
https://www.filescan.io/uploads/6835b093171e01f9592e4fa4/reports/bba01c4b-461d-419f-bdf1-07b84bbf2264/overview
Verdict:
Suspicious
Labled as:
Generik.INVOKWF trojan
Link:
https://www.hybrid-analysis.com/sample/591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e
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:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1699787
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699787 Sample: update.msi Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 123 host8-grid.cfd 2->123 125 uplink-routes.asia 2->125 127 3 other IPs or domains 2->127 141 Malicious sample detected (through community Yara rule) 2->141 143 Joe Sandbox ML detected suspicious sample 2->143 11 msiexec.exe 174 98 2->11         started        14 ProcessorZe52.exe 2->14         started        17 ProcessorZe52.exe 2->17         started        19 msiexec.exe 3 2->19         started        signatures3 process4 file5 111 C:\Users\user\AppData\Roaming\Acumen\ns.dll, PE32 11->111 dropped 113 C:\Users\user\AppData\Roaming\...\mfc140u.dll, PE32 11->113 dropped 115 C:\Users\user\AppData\...\libcrypto-1_1.dll, PE32 11->115 dropped 121 13 other files (none is malicious) 11->121 dropped 21 ProcessorZe52.exe 11 11->21         started        25 ProcessorZe52.exe 11->25         started        27 ProcessorZe52.exe 11->27         started        117 C:\Users\user\AppData\Local\Temp\CB4F3C.tmp, PE32+ 14->117 dropped 169 Modifies the context of a thread in another process (thread injection) 14->169 171 Maps a DLL or memory area into another process 14->171 29 OrbitC.exe 14->29         started        31 tcpvcon.exe 14->31         started        119 C:\Users\user\AppData\Local\...\D9E6F1F.tmp, PE32+ 17->119 dropped 33 tcpvcon.exe 17->33         started        35 PGenerator.exe 17->35         started        signatures6 process7 file8 81 C:\ProgramData\...\ProcessorZe52.exe, PE32 21->81 dropped 83 C:\ProgramData\AdvancedBackupUT\ns.dll, PE32 21->83 dropped 85 C:\ProgramData\AdvancedBackupUT\mfc140u.dll, PE32 21->85 dropped 93 5 other files (none is malicious) 21->93 dropped 157 Switches to a custom stack to bypass stack traces 21->157 37 ProcessorZe52.exe 7 21->37         started        87 C:\ProgramData\jpjBrowser\ProcessorZe52.exe, PE32 25->87 dropped 89 C:\ProgramData\jpjBrowser\ns.dll, PE32 25->89 dropped 91 C:\ProgramData\jpjBrowser\mfc140u.dll, PE32 25->91 dropped 95 5 other files (none is malicious) 25->95 dropped 41 ProcessorZe52.exe 25->41         started        43 ProcessorZe52.exe 27->43         started        45 msiexec.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        signatures9 process10 file11 97 C:\Users\user\AppData\Roaming\...\tcpvcon.exe, PE32 37->97 dropped 99 C:\ProgramData\OrbitC.exe, PE32+ 37->99 dropped 101 C:\Users\user\AppData\Local\...\AC242E3.tmp, PE32+ 37->101 dropped 159 Modifies the context of a thread in another process (thread injection) 37->159 161 Found hidden mapped module (file has been removed from disk) 37->161 163 Maps a DLL or memory area into another process 37->163 165 Found direct / indirect Syscall (likely to bypass EDR) 37->165 51 OrbitC.exe 3 2 37->51         started        55 tcpvcon.exe 3 37->55         started        57 WMIADAP.exe 37->57         started        103 C:\Users\user\AppData\Roaming\...\tcpvcon.exe, PE32 41->103 dropped 105 C:\Users\user\AppData\Local\PGenerator.exe, PE32+ 41->105 dropped 107 C:\Users\user\AppData\Local\...\BF5C0DD.tmp, PE32+ 41->107 dropped 167 Switches to a custom stack to bypass stack traces 41->167 59 tcpvcon.exe 41->59         started        61 PGenerator.exe 41->61         started        109 C:\Users\user\AppData\Local\...\D695945.tmp, PE32+ 43->109 dropped 63 tcpvcon.exe 43->63         started        65 PGenerator.exe 43->65         started        signatures12 process13 dnsIp14 129 uplink-routes.asia 104.21.16.1, 443, 49725, 49743 CLOUDFLARENETUS United States 51->129 131 nodestack.sbs 104.21.48.1, 443, 49726, 49744 CLOUDFLARENETUS United States 51->131 145 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->145 147 Found many strings related to Crypto-Wallets (likely being stolen) 51->147 149 Tries to harvest and steal browser information (history, passwords, etc) 51->149 155 4 other signatures 51->155 67 chrome.exe 51->67         started        70 msiexec.exe 3 51->70         started        151 Switches to a custom stack to bypass stack traces 55->151 153 Found direct / indirect Syscall (likely to bypass EDR) 55->153 72 conhost.exe 55->72         started        74 conhost.exe 59->74         started        76 conhost.exe 63->76         started        signatures15 process16 dnsIp17 133 192.168.2.4, 138, 443, 49709 unknown unknown 67->133 78 chrome.exe 67->78         started        process18 dnsIp19 135 host8-grid.cfd 78->135 137 www.google.com 74.125.137.105, 443, 49731, 49734 GOOGLEUS United States 78->137 139 2 other IPs or domains 78->139
Score:
11%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e/
Threat name:
Win32.Trojan.Donutloader
Create hunting rule
Status:
Suspicious
First seen:
2025-05-26 20:41:43 UTC
File Type:
Binary (Archive)
Extracted files:
1284
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lep747xvqiklbobnlvujgdl4b36gqbepxf5maxagtfu2n45sqmha._file
Verdict:
malicious
Label(s):
idatloader
Create hunting rule
Similar samples:
10cd6b68b312a4c66967da95c7c3f98ab2c4f5ecc77eb2b6096759118f6cc4e3
DonutLoader
118c4f1bd86741dd90a611558c501adcffb771794f8123291a3e9c60b82fee83
DonutLoader
591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e
DonutLoader
a5c2cd0db95e87a627f59f7c0b66753969a6a036744e21e437ead5074b9a30a3
DonutLoader
c7134c66943d91beea8666e1f6d45f79a3df1ec49b0976d59f71511666eb4f3f
DonutLoader
deeedfc02b4b964e2dad06c963cccec8633c062bc0eb8e4daa1dae4ad7bb8990
DonutLoader
e600a62f2f45de7da82b9d43079ba4c5f4f9aa072edbffeb5dd75cd8950164a2
DonutLoader
error
DonutLoader
+ 1 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery loader persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/250527-ppqyxatq19/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Event Triggered Execution: Installer Packages
Reads user/profile data of web browsers
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Suspicious use of SetThreadContext
Blocklisted process makes network request
Enumerates connected drives
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/862acde9-755a-426d-931c-f4b92a6f8671
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/591ffe7ef582/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/591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e

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: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)

File information

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

Web download

DonutLoader

Microsoft Software Installer (MSI) msi 591ffe7ef58214b0b82d5d68930d7c0efc68048fb97ac05c069969a6f3b2830e

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/5838/
  
URLhaus
https://urlhaus.abuse.ch/url/3553637/
  
Delivery method
Distributed via web download

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