MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57f4ce0fa0844920255db559d1325848460a4d1f55dc674b41542ec4053cb205. 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: 57f4ce0fa0844920255db559d1325848460a4d1f55dc674b41542ec4053cb205
SHA3-384 hash: ac26916a08428fce0aea34e6d9a6bbbb8acbc0ebfe3ce337a34e4a7b859adcb809a98d2e8ddea0f5bd63820881b117fd
SHA1 hash: 7e055d8c2fcc95071241b00f006b4644f082dd7c
MD5 hash: 170e6910effa42f7854e1d94feefed92
humanhash: dakota-island-robin-kilo
File name:170e6910effa42f7854e1d94feefed92.exe
Download: download sample
Signature Stealc
File size:458'753 bytes
First seen:2024-04-29 00:45:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 53479c6e947c122565b35fbddc803e0c (4 x Stealc)
ssdeep 6144:oNF3POAieKg0hJzuXlGf1aoe9LhE5alENffh/Zoftod2TD2xmSuWVF:oNF/OAi3wUavE5alENffh/q1SYFWVF
TLSH T147A4AE4363E0FC54E562CB328E3EB6E4361DF9604E946B276298BA6F14B41F1F223751
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 0409032514011200 (4 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 :
391
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
57f4ce0fa0844920255db559d1325848460a4d1f55dc674b41542ec4053cb205.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 00:48:51 UTC
Tags:
gcleaner loader stealer stealc 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)
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
.NET source code contains method to dynamically call methods (often used by packers)
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)
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)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
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: 1433051 Sample: mtQwhI6PhJ.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 84 download.iolo.net 2->84 86 svc.iolo.com 2->86 88 4 other IPs or domains 2->88 120 Multi AV Scanner detection for domain / URL 2->120 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 126 17 other signatures 2->126 9 mtQwhI6PhJ.exe 3 11 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        18 chrome.exe 2->18         started        signatures3 process4 dnsIp5 106 185.172.128.228, 49731, 49747, 80 NADYMSS-ASRU Russian Federation 9->106 108 185.172.128.59, 49732, 80 NADYMSS-ASRU Russian Federation 9->108 114 2 other IPs or domains 9->114 74 C:\Users\user\AppData\Local\Temp\u5r8.3.exe, PE32 9->74 dropped 76 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->76 dropped 78 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->78 dropped 80 2 other malicious files 9->80 dropped 150 Detected unpacking (overwrites its own PE header) 9->150 20 u5r8.0.exe 14 77 9->20         started        25 run.exe 6 9->25         started        27 u5r8.3.exe 18 8 9->27         started        29 WerFault.exe 9->29         started        152 Maps a DLL or memory area into another process 14->152 154 Found direct / indirect Syscall (likely to bypass EDR) 14->154 31 cmd.exe 14->31         started        110 192.168.2.4, 443, 49723, 49730 unknown unknown 16->110 112 239.255.255.250 unknown Reserved 16->112 33 chrome.exe 16->33         started        35 chrome.exe 16->35         started        37 chrome.exe 16->37         started        39 chrome.exe 18->39         started        file6 signatures7 process8 dnsIp9 90 185.172.128.150, 49737, 80 NADYMSS-ASRU Russian Federation 20->90 60 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->60 dropped 62 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->62 dropped 64 C:\Users\user\AppData\...\mozglue[1].dll, PE32 20->64 dropped 72 9 other files (5 malicious) 20->72 dropped 128 Multi AV Scanner detection for dropped file 20->128 130 Detected unpacking (changes PE section rights) 20->130 132 Detected unpacking (overwrites its own PE header) 20->132 142 9 other signatures 20->142 41 WerFault.exe 20->41         started        66 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 25->66 dropped 68 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 25->68 dropped 134 Maps a DLL or memory area into another process 25->134 136 Found direct / indirect Syscall (likely to bypass EDR) 25->136 44 cmd.exe 4 25->44         started        92 svc.iolo.com 20.157.87.45, 49756, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 27->92 138 Checks if the current machine is a virtual machine (disk enumeration) 27->138 48 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 27->48         started        94 20.189.173.20 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->94 70 C:\Users\user\AppData\Local\Temp\blaeromanc, PE32 31->70 dropped 140 Writes to foreign memory regions 31->140 50 conhost.exe 31->50         started        52 MSBuild.exe 31->52         started        102 2 other IPs or domains 33->102 96 142.250.190.3 GOOGLEUS United States 35->96 98 142.250.190.78 GOOGLEUS United States 37->98 100 172.217.1.100 GOOGLEUS United States 37->100 file10 signatures11 process12 dnsIp13 116 52.182.143.212 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 41->116 82 C:\Users\user\AppData\Local\Temp\dsdsuhj, PE32 44->82 dropped 156 Writes to foreign memory regions 44->156 158 Found hidden mapped module (file has been removed from disk) 44->158 160 Maps a DLL or memory area into another process 44->160 54 MSBuild.exe 44->54         started        58 conhost.exe 44->58         started        118 20.9.155.150 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 48->118 162 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 48->162 164 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 48->164 166 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 48->166 file14 signatures15 process16 dnsIp17 104 91.215.85.66 PINDC-ASRU Russian Federation 54->104 144 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 54->144 146 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 54->146 148 Tries to harvest and steal browser information (history, passwords, etc) 54->148 signatures18
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-04-29 00:46:05 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
17 of 24 (70.83%)
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:
57f4ce0fa0844920255db559d1325848460a4d1f55dc674b41542ec4053cb205
MD5 hash:
170e6910effa42f7854e1d94feefed92
SHA1 hash:
7e055d8c2fcc95071241b00f006b4644f082dd7c
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 57f4ce0fa0844920255db559d1325848460a4d1f55dc674b41542ec4053cb205

(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_NXMissing Non-Executable Memory Protectioncritical
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::GetVolumeInformationW
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::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::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

Comments