MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f50778519725bcf76adb7ce2814b94f94e89c67359d3989bdac7dafeebeb82. 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 9 File information Comments 1

SHA256 hash: 84f50778519725bcf76adb7ce2814b94f94e89c67359d3989bdac7dafeebeb82
SHA3-384 hash: a4542039841f0c61abcecf1c769b920580d184f5b71d63d1d5690c9083aa85c04752007366e6f206f19e6bed9f721352
SHA1 hash: e01e5ec6cacbfa12762fd49ca1e7706497340cfb
MD5 hash: 138d8c7ded299ee0290a6653ecdde4ac
humanhash: fruit-massachusetts-network-cardinal
File name:138d8c7ded299ee0290a6653ecdde4ac
Download: download sample
Signature Stealc
File size:408'576 bytes
First seen:2024-03-08 03:56:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3cbfc411430259d5f03c8f8dc253bc00 (1 x Stealc)
ssdeep 6144:j6rBn2YEv3yl+OuQSLvrJCTM6gGgm07Si/RR2xeZ+NbuoX:jy2Yi3yMTLvrJIMrGpQr2m4buS
Threatray 21 similar samples on MalwareBazaar
TLSH T1D694E0037AE2C0B9EAE386371971C945CA7FBC62BDB08A5B3784151D5D302C19F65BA3
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 000001110a202000 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
355
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84f50778519725bcf76adb7ce2814b94f94e89c67359d3989bdac7dafeebeb82.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 03:58:53 UTC
Tags:
loader stealer stealc

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
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint lolbin shell32
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, Stealc, Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sample uses string decryption to hide its real strings
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405226 Sample: vGHdqtzOm7.exe Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 9 other signatures 2->57 8 vGHdqtzOm7.exe 1 3 2->8         started        process3 dnsIp4 43 185.172.128.90, 49710, 80 NADYMSS-ASRU Russian Federation 8->43 45 185.172.128.126, 49714, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.187, 49711, 49712, 80 NADYMSS-ASRU Russian Federation 8->47 31 C:\Users\user\AppData\Local\Temp\u13k.1.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\Temp\u13k.0.exe, PE32 8->33 dropped 61 Detected unpacking (changes PE section rights) 8->61 63 Detected unpacking (overwrites its own PE header) 8->63 13 u13k.0.exe 68 8->13         started        18 u13k.1.exe 2 5 8->18         started        file5 signatures6 process7 dnsIp8 49 185.172.128.145, 49713, 80 NADYMSS-ASRU Russian Federation 13->49 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->39 dropped 41 9 other files (5 malicious) 13->41 dropped 65 Detected unpacking (changes PE section rights) 13->65 67 Detected unpacking (overwrites its own PE header) 13->67 69 Tries to steal Mail credentials (via file / registry access) 13->69 73 9 other signatures 13->73 20 WerFault.exe 22 16 13->20         started        71 Multi AV Scanner detection for dropped file 18->71 22 cmd.exe 1 18->22         started        file9 signatures10 process11 signatures12 59 Uses schtasks.exe or at.exe to add and modify task schedules 22->59 25 conhost.exe 22->25         started        27 schtasks.exe 1 22->27         started        29 chcp.com 1 22->29         started        process13
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-03-08 03:57:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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
UPX packed file
Downloads MZ/PE file
Unpacked files
SH256 hash:
f747b1dc11b798034f510533eeaa9cb00bfa475319e67b0f3ba246badf495797
MD5 hash:
633afa9d868b2af36eda64fe8af84b23
SHA1 hash:
4be898db52499a3bb88e59887a59aff5208ad14e
SH256 hash:
84f50778519725bcf76adb7ce2814b94f94e89c67359d3989bdac7dafeebeb82
MD5 hash:
138d8c7ded299ee0290a6653ecdde4ac
SHA1 hash:
e01e5ec6cacbfa12762fd49ca1e7706497340cfb
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:Borland
Author:malware-lu
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu
Rule name:Windows_Trojan_Smokeloader_3687686f
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 84f50778519725bcf76adb7ce2814b94f94e89c67359d3989bdac7dafeebeb82

(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
MULTIMEDIA_APICan Play MultimediaGDI32.dll::StretchDIBits
SHELL_APIManipulates System ShellSHELL32.dll::FindExecutableA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleInputW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW

Comments



Avatar
zbet commented on 2024-03-08 03:56:35 UTC

url : hxxp://185.172.128.126/InstallSetup_three.exe