MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 039db1b22096f5f1703d22c5bf4ef4f2e56a1bf10bc0188b9755d51bb4c6e17a. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments

SHA256 hash: 039db1b22096f5f1703d22c5bf4ef4f2e56a1bf10bc0188b9755d51bb4c6e17a
SHA3-384 hash: df8183ed5cf5084252cb7a4a33ac0d60565b3f3a76ad4ecc35cd445a2aa84ec2843b2ba8c8006495868d4f34d78dbb5f
SHA1 hash: 2d9639bdfc57ba76e7840662bc83903ab8ce09de
MD5 hash: da2fdea280b5590e8e675022a8a98e74
humanhash: dakota-high-eleven-uncle
File name:da2fdea280b5590e8e675022a8a98e74.exe
Download: download sample
Signature Stealc
File size:355'841 bytes
First seen:2024-04-27 22:25:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f726f40370b375fa05d60fc38904442 (12 x Stealc, 1 x Arechclient2)
ssdeep 6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKTa:EawahCYgD8CsKJw4/MchjCnMa
Threatray 160 similar samples on MalwareBazaar
TLSH T1CB74F1317B60D836D2FA8938D835C6A15A3F783176B5819B335026AE0E713C19A7E35F
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64f29a9899a99991 (7 x Stealc, 2 x Arechclient2)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.62/902e53a07830e030.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:
039db1b22096f5f1703d22c5bf4ef4f2e56a1bf10bc0188b9755d51bb4c6e17a.exe
Verdict:
Malicious activity
Analysis date:
2024-04-27 22:26:22 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
Searching for the window
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
Connection attempt to an infection source
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)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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 SectopRAT
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: 1432701 Sample: gqDIvekZZH.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 75 download.iolo.net 2->75 77 westus2-2.in.applicationinsights.azure.com 2->77 79 7 other IPs or domains 2->79 117 Snort IDS alert for network traffic 2->117 119 Multi AV Scanner detection for domain / URL 2->119 121 Found malware configuration 2->121 123 20 other signatures 2->123 9 gqDIvekZZH.exe 3 11 2->9         started        14 run.exe 2->14         started        signatures3 process4 dnsIp5 81 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 9->81 83 185.172.128.228, 49706, 80 NADYMSS-ASRU Russian Federation 9->83 85 2 other IPs or domains 9->85 61 C:\Users\user\AppData\Local\Temp\ui4.3.exe, PE32 9->61 dropped 63 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->63 dropped 65 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->65 dropped 67 2 other malicious files 9->67 dropped 131 Detected unpacking (changes PE section rights) 9->131 133 Detected unpacking (overwrites its own PE header) 9->133 16 ui4.0.exe 76 9->16         started        21 run.exe 6 9->21         started        23 ui4.3.exe 10 8 9->23         started        25 WerFault.exe 19 16 9->25         started        135 Maps a DLL or memory area into another process 14->135 137 Found direct / indirect Syscall (likely to bypass EDR) 14->137 27 cmd.exe 14->27         started        file6 signatures7 process8 dnsIp9 71 185.172.128.62, 49709, 80 NADYMSS-ASRU Russian Federation 16->71 47 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->47 dropped 49 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->49 dropped 51 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->51 dropped 59 9 other files (5 malicious) 16->59 dropped 101 Multi AV Scanner detection for dropped file 16->101 103 Detected unpacking (changes PE section rights) 16->103 105 Detected unpacking (overwrites its own PE header) 16->105 115 8 other signatures 16->115 29 WerFault.exe 16->29         started        53 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 21->53 dropped 55 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 21->55 dropped 107 Maps a DLL or memory area into another process 21->107 109 Found direct / indirect Syscall (likely to bypass EDR) 21->109 31 cmd.exe 4 21->31         started        73 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->73 111 Checks if the current machine is a virtual machine (disk enumeration) 23->111 35 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 23->35         started        57 C:\Users\user\AppData\Local\Temp\hgfsykcjpj, PE32 27->57 dropped 113 Writes to foreign memory regions 27->113 37 conhost.exe 27->37         started        39 MSBuild.exe 27->39         started        file10 signatures11 process12 file13 69 C:\Users\user\AppData\Local\Temp\wqnwb, PE32 31->69 dropped 89 Writes to foreign memory regions 31->89 91 Found hidden mapped module (file has been removed from disk) 31->91 93 Maps a DLL or memory area into another process 31->93 41 MSBuild.exe 31->41         started        45 conhost.exe 31->45         started        95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->95 97 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 35->97 99 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 35->99 signatures14 process15 dnsIp16 87 91.215.85.66 PINDC-ASRU Russian Federation 41->87 125 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 41->125 127 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 41->127 129 Tries to harvest and steal browser information (history, passwords, etc) 41->129 signatures17
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-04-27 22:26:05 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Program crash
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
SH256 hash:
039db1b22096f5f1703d22c5bf4ef4f2e56a1bf10bc0188b9755d51bb4c6e17a
MD5 hash:
da2fdea280b5590e8e675022a8a98e74
SHA1 hash:
2d9639bdfc57ba76e7840662bc83903ab8ce09de
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 039db1b22096f5f1703d22c5bf4ef4f2e56a1bf10bc0188b9755d51bb4c6e17a

(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::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::SetConsoleDisplayMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments