MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1. 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: 46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1
SHA3-384 hash: 3f79c6647461004202f5f10dd7f300ed496c5c6ec22a5f484755f3c6e88a0d40a259caf48c26acba588f727703755387
SHA1 hash: 3ffea66b9005732e51d20d0e10a921c211702f5d
MD5 hash: 18e0c5edb8ea07497409dd0f477bbdc1
humanhash: sweet-one-juliet-lactose
File name:18e0c5edb8ea07497409dd0f477bbdc1.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:355'841 bytes
First seen:2024-04-29 10:01:07 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+ThbGlN50BdYjFqq:d5a+IsmhoSZG5lysynD50Hbq
TLSH T18174F1223FC0D432D1EBB5304975C1A15D3FB961EA64C54B37942BAE8E317E1AE3A352
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 :
353
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:21:04 UTC
Tags:
gcleaner loader stealer stealc hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/6f0cd102-6449-4f94-9046-411523ff8dfa

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
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/662f701d14fabb16f40396f8/reports/53c36f15-47b1-4d24-aadb-efc16022d80c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1
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/e296b665-47b2-415d-9705-6d6fa0852d6b
Result
Threat name:
PureLog Stealer, RedLine, SectopRAT, zgR
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433265
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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 domain / URL
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433265 Sample: WkyVbL3QZv.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 51 download.iolo.net 2->51 53 westus2-2.in.applicationinsights.azure.com 2->53 55 8 other IPs or domains 2->55 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 16 other signatures 2->81 9 WkyVbL3QZv.exe 4 11 2->9         started        signatures3 process4 dnsIp5 59 185.172.128.90, 49706, 80 NADYMSS-ASRU Russian Federation 9->59 61 185.172.128.228, 49707, 80 NADYMSS-ASRU Russian Federation 9->61 63 2 other IPs or domains 9->63 39 C:\Users\user\AppData\Local\Temp\u1bs.3.exe, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->43 dropped 45 2 other malicious files 9->45 dropped 93 Detected unpacking (changes PE section rights) 9->93 95 Detected unpacking (overwrites its own PE header) 9->95 14 run.exe 6 9->14         started        18 u1bs.3.exe 16 8 9->18         started        21 u1bs.0.exe 9->21         started        23 WerFault.exe 21 16 9->23         started        file6 signatures7 process8 dnsIp9 47 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 14->47 dropped 49 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 14->49 dropped 97 Maps a DLL or memory area into another process 14->97 99 Found direct / indirect Syscall (likely to bypass EDR) 14->99 25 cmd.exe 4 14->25         started        57 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->57 101 Checks if the current machine is a virtual machine (disk enumeration) 18->101 29 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 18->29         started        103 Multi AV Scanner detection for dropped file 21->103 105 Machine Learning detection for dropped file 21->105 file10 signatures11 process12 file13 37 C:\Users\user\AppData\Local\Temp\pcyqg, PE32 25->37 dropped 83 Writes to foreign memory regions 25->83 85 Found hidden mapped module (file has been removed from disk) 25->85 87 Maps a DLL or memory area into another process 25->87 31 MSBuild.exe 15 8 25->31         started        35 conhost.exe 25->35         started        89 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->89 91 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 29->91 signatures14 process15 dnsIp16 65 91.215.85.66 PINDC-ASRU Russian Federation 31->65 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->67 69 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 31->69 71 Contains functionality to register a low level keyboard hook 31->71 73 Tries to harvest and steal browser information (history, passwords, etc) 31->73 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 10:02:07 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i3butynxoqzaw7cfrm4q6yng4454vpfexegfy3chekp2zyatmcyq._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-l2sfqagc9x/
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/986fbc7d-25f7-4925-87bc-85ccfda58e2c/
SH256 hash:
46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1
MD5 hash:
18e0c5edb8ea07497409dd0f477bbdc1
SHA1 hash:
3ffea66b9005732e51d20d0e10a921c211702f5d
Link:
https://www.unpac.me/results/986fbc7d-25f7-4925-87bc-85ccfda58e2c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/46c349e1b774/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/46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1

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 46c349e1b774320b7c458b390f61a6e73bcabca4b90c5c6c47229face01360b1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2813846/
  
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