MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23. 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 4 File information Comments

SHA256 hash: c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23
SHA3-384 hash: 77041175978a1e04088c92f679def70d0377fa3124d32c351d9d6cad0d796c933846f9596a576a97c84d116cce02e92a
SHA1 hash: 86477f41bd8cb48a2cf7922cc89acdb3b7a4f58d
MD5 hash: f3499823ccca35d858ae2653142ded48
humanhash: mango-two-quiet-table
File name:f3499823ccca35d858ae2653142ded48.exe
Download: download sample
Signature Stealc
File size:462'337 bytes
First seen:2024-04-28 16:31:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc30ce1f37fa7cd963320fd0a84f3bf6 (7 x Stealc, 1 x zgRAT)
ssdeep 6144:+0HYlMeYOX8mE94DowCxV0jZVqmnvi1UVX1Zbt2S0gjaUI:+04lMXmQ4LCxWjZji1U/rhaUI
TLSH T150A4AE0762E07CD4F56687328E3EBBE8325DF9508E997B2722947A6F10B81F1E213751
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 0109090310113100 (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 :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 16:33:45 UTC
Tags:
gcleaner loader stealer stealc hijackloader arechclient2 backdoor

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
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Creating a file
Sending an HTTP POST request
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
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.
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 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)
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432967 Sample: V4t1GxvwEx.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 78 download.iolo.net 2->78 80 westus2-2.in.applicationinsights.azure.com 2->80 82 7 other IPs or domains 2->82 120 Snort IDS alert for network traffic 2->120 122 Multi AV Scanner detection for domain / URL 2->122 124 Found malware configuration 2->124 126 17 other signatures 2->126 9 V4t1GxvwEx.exe 3 11 2->9         started        14 run.exe 2->14         started        signatures3 process4 dnsIp5 84 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 9->84 86 185.172.128.228, 49731, 80 NADYMSS-ASRU Russian Federation 9->86 88 2 other IPs or domains 9->88 62 C:\Users\user\AppData\Local\Temp\u54s.3.exe, PE32 9->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->64 dropped 66 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->66 dropped 70 2 other malicious files 9->70 dropped 128 Detected unpacking (overwrites its own PE header) 9->128 16 u54s.0.exe 76 9->16         started        21 run.exe 6 9->21         started        23 u54s.3.exe 6 8 9->23         started        25 WerFault.exe 21 16 9->25         started        68 C:\Users\user\AppData\Local\Temp\afdaf0ec, DOS 14->68 dropped 130 Maps a DLL or memory area into another process 14->130 132 Found direct / indirect Syscall (likely to bypass EDR) 14->132 27 cmd.exe 14->27         started        file6 signatures7 process8 dnsIp9 74 185.172.128.150, 49733, 80 NADYMSS-ASRU Russian Federation 16->74 46 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->46 dropped 48 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->48 dropped 50 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->50 dropped 60 9 other files (5 malicious) 16->60 dropped 104 Multi AV Scanner detection for dropped file 16->104 106 Detected unpacking (changes PE section rights) 16->106 108 Detected unpacking (overwrites its own PE header) 16->108 118 9 other signatures 16->118 29 WerFault.exe 16->29         started        52 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 21->52 dropped 54 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 21->54 dropped 56 C:\Users\user\AppData\Local\Temp\a0674e48, DOS 21->56 dropped 110 Maps a DLL or memory area into another process 21->110 112 Found direct / indirect Syscall (likely to bypass EDR) 21->112 31 cmd.exe 4 21->31         started        76 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->76 114 Checks if the current machine is a virtual machine (disk enumeration) 23->114 35 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 23->35         started        58 C:\Users\user\AppData\Local\Temp\ypeahqvq, PE32 27->58 dropped 116 Writes to foreign memory regions 27->116 37 conhost.exe 27->37         started        39 MSBuild.exe 27->39         started        file10 signatures11 process12 file13 72 C:\Users\user\AppData\Local\Temp\skybmssb, PE32 31->72 dropped 92 Writes to foreign memory regions 31->92 94 Found hidden mapped module (file has been removed from disk) 31->94 96 Maps a DLL or memory area into another process 31->96 41 MSBuild.exe 2 31->41         started        44 conhost.exe 31->44         started        98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->98 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 35->100 102 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 35->102 signatures14 process15 dnsIp16 90 91.215.85.66 PINDC-ASRU Russian Federation 41->90
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-04-28 14:37:24 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:sectoprat family:stealc family:zgrat discovery rat spyware stealer trojan
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
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
SH256 hash:
c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23
MD5 hash:
f3499823ccca35d858ae2653142ded48
SHA1 hash:
86477f41bd8cb48a2cf7922cc89acdb3b7a4f58d
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe c22e7af2dbc1c8349559c3aa56a868d77541cab76a0fef74c248af97a1957d23

(this sample)

  
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::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleProcessList
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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