MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d562b3b44859f761645676e0c0e7daad1226c5b90f53b4fe5e5395bf77454ec7. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments 1

SHA256 hash: d562b3b44859f761645676e0c0e7daad1226c5b90f53b4fe5e5395bf77454ec7
SHA3-384 hash: 3eb5c1f3f72ab21b436bb8fd899cab58020941c413017bc4b7dfcc8e6d0834235276e89451d80d4d5e194a955a191b7c
SHA1 hash: 22519afd371ed56fe6b4b4565534e09d0dd20453
MD5 hash: 3170aed3eb44bd638cce6f67650d4b50
humanhash: earth-white-hot-nineteen
File name:3170aed3eb44bd638cce6f67650d4b50
Download: download sample
Signature Stealc
File size:393'912 bytes
First seen:2024-04-15 06:28:03 UTC
Last seen:2024-04-15 07:24:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:F9b8+wW/Wco9GZbOHqYCGwYyX9Y1J3yVA3Upzm88TKmIImK4E7AjEwYM/vYZu6Yj:Tb8+/hbOHsG46Xx6mWIFNOYM/h8cvB
TLSH T1BC8423275FE86971F2F63EB4547920A0573ABBE0C0B5F33C01AD46AD9862784C1D1B97
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a02549a343b100949c013f1c84927136e8c8f6e23110ae1d025c9733d5ad712f.exe
Verdict:
Malicious activity
Analysis date:
2024-04-15 05:44:59 UTC
Tags:
amadey botnet stealer lumma loader redline opendir gcleaner stealc evasion risepro privateloader

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
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request to an infection source
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a window
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CEZ trojan
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:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates HTML files with .exe extension (expired dropper behavior)
Drops script or batch files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1425968 Sample: odB2NhqqLn.exe Startdate: 15/04/2024 Architecture: WINDOWS Score: 100 69 Antivirus detection for dropped file 2->69 71 Multi AV Scanner detection for dropped file 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 6 other signatures 2->75 8 odB2NhqqLn.exe 3 2->8         started        11 cmd.exe 2->11         started        process3 signatures4 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->77 79 Writes to foreign memory regions 8->79 81 Allocates memory in foreign processes 8->81 83 2 other signatures 8->83 13 MSBuild.exe 15 261 8->13         started        18 WerFault.exe 19 16 8->18         started        20 conhost.exe 8->20         started        22 MSBuild.exe 8->22         started        24 conhost.exe 11->24         started        process5 dnsIp6 61 107.167.110.216 OPERASOFTWAREUS United States 13->61 63 185.172.128.59 NADYMSS-ASRU Russian Federation 13->63 67 9 other IPs or domains 13->67 47 C:\Users\...\zTLbMNRngwmN3w9mMVeZsznF.exe, PE32 13->47 dropped 49 C:\Users\...\zHu16srDZtDgRfKGUvlwuZHU.exe, PE32 13->49 dropped 51 C:\Users\...\xX6Pc3FtfXaz8mGbYkjxvos0.exe, PE32 13->51 dropped 53 206 other malicious files 13->53 dropped 99 Drops script or batch files to the startup folder 13->99 101 Creates HTML files with .exe extension (expired dropper behavior) 13->101 26 IkXZb7dOJs06zPfrvgkRYpC0.exe 13->26         started        29 op00PimbnvDtVnsDwpW3coIe.exe 13->29         started        31 uodxkckqWQwE9mSdc5yWpcNR.exe 13->31         started        33 29 other processes 13->33 65 20.189.173.20 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->65 file7 signatures8 process9 dnsIp10 85 Query firmware table information (likely to detect VMs) 26->85 87 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->87 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->89 91 Hides threads from debuggers 29->91 93 Found direct / indirect Syscall (likely to bypass EDR) 29->93 95 Tries to detect sandboxes / dynamic malware analysis system (registry check) 29->95 97 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 31->97 55 107.167.110.217 OPERASOFTWAREUS United States 33->55 57 107.167.110.218 OPERASOFTWAREUS United States 33->57 59 3 other IPs or domains 33->59 39 Opera_installer_2404150629534887464.dll, PE32 33->39 dropped 41 Opera_installer_2404150629505657324.dll, PE32 33->41 dropped 43 Opera_installer_2404150629491484500.dll, PE32 33->43 dropped 45 7 other malicious files 33->45 dropped 37 conhost.exe 33->37         started        file11 signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.Stealc
Status:
Malicious
First seen:
2024-04-14 09:26:28 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
suspicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Unpacked files
SH256 hash:
d562b3b44859f761645676e0c0e7daad1226c5b90f53b4fe5e5395bf77454ec7
MD5 hash:
3170aed3eb44bd638cce6f67650d4b50
SHA1 hash:
22519afd371ed56fe6b4b4565534e09d0dd20453
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:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Stealc

Executable exe d562b3b44859f761645676e0c0e7daad1226c5b90f53b4fe5e5395bf77454ec7

(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 (GUARD_CF)high

Comments



Avatar
zbet commented on 2024-04-15 06:28:04 UTC

url : hxxp://5.42.64.17/files/file300un.exe