MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7958ea6d6076346478dc5bf323b51a4e8e47a104357070b4c8e6ca4e02fecd96. 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 9 File information Comments 1

SHA256 hash: 7958ea6d6076346478dc5bf323b51a4e8e47a104357070b4c8e6ca4e02fecd96
SHA3-384 hash: 5de7458b803d2eeeb4ed153a9ee3d4b2c804c92b3c9baee34fa51bb66d916e3b1a75b698688eb0a84808f0ba7a812979
SHA1 hash: 1e40855b26d8d9653b09e5d9acb3b8046b30d683
MD5 hash: fc8086894915b40db08d1aefa379293d
humanhash: timing-solar-victor-august
File name:fc8086894915b40db08d1aefa379293d
Download: download sample
Signature Stealc
File size:316'928 bytes
First seen:2024-03-09 06:47:43 UTC
Last seen:2024-03-09 08:27:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d3b460caa86ad92cecbea0585c3a401 (1 x Stealc, 1 x GCleaner)
ssdeep 6144:XxI6ZHCYJReiPh7O0ZTz4iPpDOLfQzXZBc68YKmrK1wYr/r6:WIHCYF7/v4vf0rxvW1e
TLSH T11464019272E1D435E4E3557098B292E0AA7EFC523778408FA768277E8F623D65F31312
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 d2f8e4c4c4f9c6f9 (4 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7958ea6d6076346478dc5bf323b51a4e8e47a104357070b4c8e6ca4e02fecd96.exe
Verdict:
Malicious activity
Analysis date:
2024-03-09 06:49:09 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
Running batch commands
Creating a process with a hidden window
Launching a process
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)
Searching for the window
Creating a file in the %AppData% subdirectories
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 1405761 Sample: FTxFCTuVEE.exe Startdate: 09/03/2024 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 10 other signatures 2->62 8 FTxFCTuVEE.exe 1 3 2->8         started        process3 dnsIp4 48 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 8->48 50 185.172.128.126, 49708, 80 NADYMSS-ASRU Russian Federation 8->50 52 185.172.128.187, 49706, 49707, 80 NADYMSS-ASRU Russian Federation 8->52 36 C:\Users\user\AppData\Local\Temp\u1zc.1.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\Temp\u1zc.0.exe, PE32 8->38 dropped 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 13 u1zc.0.exe 57 8->13         started        18 u1zc.1.exe 2 5 8->18         started        20 WerFault.exe 19 16 8->20         started        file5 signatures6 process7 dnsIp8 54 185.172.128.145, 49709, 80 NADYMSS-ASRU Russian Federation 13->54 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->44 dropped 46 9 other files (5 malicious) 13->46 dropped 70 Antivirus detection for dropped file 13->70 72 Detected unpacking (changes PE section rights) 13->72 74 Detected unpacking (overwrites its own PE header) 13->74 78 9 other signatures 13->78 22 WerFault.exe 23 16 13->22         started        76 Multi AV Scanner detection for dropped file 18->76 25 cmd.exe 1 18->25         started        file9 signatures10 process11 file12 34 C:\ProgramData\Microsoft\...\WERF0DC.tmp.dmp, Mini 22->34 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 25->64 28 conhost.exe 25->28         started        30 schtasks.exe 1 25->30         started        32 chcp.com 1 25->32         started        signatures13 process14
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-03-09 07:04:01 UTC
AV detection:
21 of 24 (87.50%)
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:
7958ea6d6076346478dc5bf323b51a4e8e47a104357070b4c8e6ca4e02fecd96
MD5 hash:
fc8086894915b40db08d1aefa379293d
SHA1 hash:
1e40855b26d8d9653b09e5d9acb3b8046b30d683
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 7958ea6d6076346478dc5bf323b51a4e8e47a104357070b4c8e6ca4e02fecd96

(this sample)

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::GetFileAttributesW

Comments



Avatar
zbet commented on 2024-03-09 06:47:44 UTC

url : hxxp://185.172.128.109/InstallSetupNew.exe