MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289. 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


Stealc


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289
SHA3-384 hash: db7f82d64a8fc0168aa6d8450b92e3d7a07052c8214aaace1d06cda7c88db685c3619f10d80c905346eaf0fd390933f9
SHA1 hash: 75bde7306a2539c8ccd286380ccc33f103f306b6
MD5 hash: 1032f34212c476acc1fc206c34fe01b1
humanhash: avocado-freddie-aspen-kentucky
File name:1032f34212c476acc1fc206c34fe01b1.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:355'841 bytes
First seen:2024-04-29 10:10:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bf1070ba79872e55c98c6b1c44ebbf3c (16 x Stealc, 1 x Arechclient2, 1 x Rhadamanthys)
ssdeep 6144:aGNJdD4C4xkIsmIqLoSj9hXc6+Bl7+sysO+ThbGlN50BdYjFql:d5a+IsmhoSZG5lysynD50Hbl
TLSH T18474F1223FC0D432D1EBB5304975C1A15D3FB961EA64C54B37942BAE8E317E1AE3A352
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 64d29a9899a1a991 (3 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.150/c698e1bc8a2f5e6d.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
340
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:27:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0899fb7d-e75f-4b2a-a454-5c997db3deea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662f723d54bafb7d21e5bcbb/reports/5f151512-8652-48b2-b62d-6d0a6649716d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/feaecd09-d2e5-475c-8bba-4ad8efae00cf
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433272
Signature
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433272 Sample: w9SuIZ5zTo.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 77 westus2-2.in.applicationinsights.azure.com 2->77 79 download.iolo.net 2->79 81 5 other IPs or domains 2->81 113 Snort IDS alert for network traffic 2->113 115 Found malware configuration 2->115 117 Malicious sample detected (through community Yara rule) 2->117 119 15 other signatures 2->119 9 w9SuIZ5zTo.exe 4 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 2->16         started        signatures3 process4 dnsIp5 91 185.172.128.90, 49714, 80 NADYMSS-ASRU Russian Federation 9->91 93 185.172.128.228, 49715, 80 NADYMSS-ASRU Russian Federation 9->93 99 2 other IPs or domains 9->99 69 C:\Users\user\AppData\Local\Temp\u5qw.3.exe, PE32 9->69 dropped 71 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->71 dropped 73 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->73 dropped 75 2 other malicious files 9->75 dropped 147 Detected unpacking (changes PE section rights) 9->147 149 Detected unpacking (overwrites its own PE header) 9->149 18 u5qw.0.exe 15 69 9->18         started        23 run.exe 6 9->23         started        25 u5qw.3.exe 20 8 9->25         started        27 WerFault.exe 19 16 9->27         started        151 Maps a DLL or memory area into another process 14->151 153 Found direct / indirect Syscall (likely to bypass EDR) 14->153 29 cmd.exe 14->29         started        95 192.168.2.10, 443, 49713, 49714 unknown unknown 16->95 97 192.168.2.13 unknown unknown 16->97 101 5 other IPs or domains 16->101 31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        file6 signatures7 process8 dnsIp9 83 185.172.128.150 NADYMSS-ASRU Russian Federation 18->83 53 C:\ProgramData\nss3.dll, PE32 18->53 dropped 55 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 18->55 dropped 57 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->57 dropped 65 9 other files (none is malicious) 18->65 dropped 121 Multi AV Scanner detection for dropped file 18->121 123 Detected unpacking (changes PE section rights) 18->123 125 Detected unpacking (overwrites its own PE header) 18->125 135 8 other signatures 18->135 35 WerFault.exe 18->35         started        59 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 23->59 dropped 61 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 23->61 dropped 127 Maps a DLL or memory area into another process 23->127 129 Found direct / indirect Syscall (likely to bypass EDR) 23->129 37 cmd.exe 4 23->37         started        85 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->85 131 Checks if the current machine is a virtual machine (disk enumeration) 25->131 41 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 25->41         started        63 C:\Users\user\AppData\Local\Temp\drld, PE32 29->63 dropped 133 Writes to foreign memory regions 29->133 43 conhost.exe 29->43         started        45 MSBuild.exe 29->45         started        87 www.google.com 142.250.191.164 GOOGLEUS United States 31->87 89 142.250.190.132 GOOGLEUS United States 33->89 file10 signatures11 process12 file13 67 C:\Users\user\AppData\Local\...\lkcqpevpvpyj, PE32 37->67 dropped 137 Writes to foreign memory regions 37->137 139 Found hidden mapped module (file has been removed from disk) 37->139 141 Maps a DLL or memory area into another process 37->141 47 MSBuild.exe 37->47         started        51 conhost.exe 37->51         started        143 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->143 145 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 41->145 signatures14 process15 dnsIp16 103 91.215.85.66 PINDC-ASRU Russian Federation 47->103 105 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 47->105 107 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 47->107 109 Tries to harvest and steal browser information (history, passwords, etc) 47->109 111 Tries to steal Crypto Currency Wallets 47->111 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 10:11:07 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=exeqlgeobrc3t6p4x3m5y7orlusrz65rzxbaw6ztil47cqndmkeq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240429-l7x86age3s/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect ZGRat V1
SectopRAT
SectopRAT payload
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.150
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/0ada6f50-8767-4787-ae9c-33426809757b/
SH256 hash:
25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289
MD5 hash:
1032f34212c476acc1fc206c34fe01b1
SHA1 hash:
75bde7306a2539c8ccd286380ccc33f103f306b6
Link:
https://www.unpac.me/results/0ada6f50-8767-4787-ae9c-33426809757b/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25c905988e0c/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/25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289

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

File information

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

Web download

Stealc

Executable exe 25c905988e0c45b9f9fcbed9dc7dd15d251cfbb1cdc20b7b3342f9f141a36289

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2804701/
  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetFirmwareEnvironmentVariableA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ScrollConsoleScreenBufferA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments