MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5
SHA3-384 hash: b90d3fec9aabf4b8aa61521bc888bf052aa2be69923a7a468619a092245d140cac43f7a8061c698d13cfa97986e51c97
SHA1 hash: 0d2dce255fae521eacbaa9acf2ffbc7b8b6d04a1
MD5 hash: 6f329d63437d6ab286852568c3a14b26
humanhash: lima-uniform-jersey-neptune
File name:6f329d63437d6ab286852568c3a14b26
Download: download sample
Signature Stealc
Create hunting rule
File size:2'160'699 bytes
First seen:2024-03-12 05:23:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 187b3ae62ff818788b8c779ef7bc3d1c (14 x Stealc, 1 x GCleaner)
ssdeep 49152:L+HOMskuADCe/MHPac5y8yLJbeAVlvnOz9m/BG8uNH:quMskuECe4P7uNlvOZmJ4
Threatray 21 similar samples on MalwareBazaar
TLSH T11BA52324F252C4E9E5464032AC46D3FF0DE56E30ED546923FFC42E27BE709EA4A9A741
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 575ad9111233525d (7 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
396
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5.exe
Verdict:
Malicious activity
Analysis date:
2024-03-12 05:25:01 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/53baed42-847e-4e3d-9b56-96e0803d1171

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Stealc
Create hunting rule
Link:
https://www.capesandbox.com/analysis/478694/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

SecuriteInfo.com.Variant.Ulise.472307.25978.29547.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Reading critical registry keys
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Changing a file
Launching the default Windows debugger (dwwin.exe)
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt to an infection source
Stealing user critical data
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65efe6f383a3efb188d0ed38/reports/f861f5f6-eeda-45ec-83b9-57b6f6f33494/overview
Verdict:
Malicious
Labled as:
Trojan/MalPE
Link:
https://www.hybrid-analysis.com/sample/f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b4a2752-8851-4466-9a72-d123666883c3
Result
Threat name:
Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1407213
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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
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)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1407213 Sample: OcYav2eWWI.exe Startdate: 12/03/2024 Architecture: WINDOWS Score: 100 85 Snort IDS alert for network traffic 2->85 87 Multi AV Scanner detection for domain / URL 2->87 89 Found malware configuration 2->89 91 9 other signatures 2->91 10 OcYav2eWWI.exe 1 35 2->10         started        14 EHDHIDAEHC.exe 2->14         started        17 EHDHIDAEHC.exe 2->17         started        process3 dnsIp4 79 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 10->79 81 185.172.128.187, 49731, 49737, 80 NADYMSS-ASRU Russian Federation 10->81 71 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 10->71 dropped 73 C:\Users\user\AppData\Local\...\INetC.dll, PE32 10->73 dropped 75 C:\Users\user\AppData\...\BroomSetup.exe, PE32 10->75 dropped 19 syncUpd.exe 70 10->19         started        24 BroomSetup.exe 2 5 10->24         started        111 Creates autostart registry keys with suspicious names 14->111 26 cmd.exe 14->26         started        28 cmd.exe 17->28         started        file5 signatures6 process7 dnsIp8 77 185.172.128.145, 49730, 80 NADYMSS-ASRU Russian Federation 19->77 63 C:\Users\user\AppData\...HDHIDAEHC.exe, PE32 19->63 dropped 65 C:\Users\user\AppData\...\softokn3[1].dll, PE32 19->65 dropped 67 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 19->67 dropped 69 11 other files (7 malicious) 19->69 dropped 99 Multi AV Scanner detection for dropped file 19->99 101 Detected unpacking (changes PE section rights) 19->101 103 Detected unpacking (overwrites its own PE header) 19->103 107 9 other signatures 19->107 30 cmd.exe 1 19->30         started        32 WerFault.exe 21 16 19->32         started        34 cmd.exe 1 24->34         started        37 conhost.exe 26->37         started        39 PING.EXE 26->39         started        105 Uses ping.exe to sleep 28->105 41 conhost.exe 28->41         started        43 PING.EXE 28->43         started        file9 signatures10 process11 signatures12 45 EHDHIDAEHC.exe 1 4 30->45         started        47 conhost.exe 30->47         started        93 Uses ping.exe to sleep 34->93 95 Uses schtasks.exe or at.exe to add and modify task schedules 34->95 97 Uses ping.exe to check the status of other devices and networks 34->97 49 conhost.exe 34->49         started        51 schtasks.exe 1 34->51         started        53 chcp.com 1 34->53         started        process13 process14 55 cmd.exe 45->55         started        signatures15 109 Uses ping.exe to sleep 55->109 58 PING.EXE 55->58         started        61 conhost.exe 55->61         started        process16 dnsIp17 83 2.2.2.2 FranceTelecom-OrangeFR France 58->83
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-03-12 05:24:10 UTC
File Type:
PE (Exe)
Extracted files:
192
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7czspo7z4rdpli75gjlve6rvyftxqvaz367olp36o7o7vnlpxhkq._file
Verdict:
malicious
Similar samples:
1a557fae2d39d06392f4bea760fb72c87f0959a7c3ac66865e36f316866f57d3
Stealc
2d5f186a3d1303fe97b7fd87b2dad17051bdd17123259a06cb01e740c9dfdf70
Stealc
6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
Stealc
8ad20c4b4c312feb468a58d1748c0d7abba3dd2d0fb8e6bfbee837c47a0e8c5a
Stealc
a863912b539cb57887b41e05ac11e17298bac7565c6c715b33fe287590848d5d
Stealc
e5be6b01b31232f0ec0059be780fd0c20cea2d8e0450c9ed30dbe8e5b789d21a
Stealc
+ 11 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:buer family:stealc discovery loader persistence spyware stealer upx
Link:
https://tria.ge/reports/240312-f3ptbsbd38/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
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
Buer
Stealc
Malware Config
C2 Extraction:
http://185.172.128.145
Unpacked files
SH256 hash:
8ff4e509a48d6cbcff5d325fc08ab97f37f69e5fa36fad427216b38545941661
MD5 hash:
7faf9f4744ac9a3680a6ea32ab352138
SHA1 hash:
4ec9a4769b6dccbb1a6017d08a36effc0117abe2
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
SH256 hash:
4cc18950f5f63698850234e908b5aa158ac33cefcc01c656995a483c9b0340e4
MD5 hash:
4ede5aead6a7a91f4fc86d56c0a86751
SHA1 hash:
5eab867acfba66409012ed6a5c9852813930a199
Detections:
stealc
Create hunting rule
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
Parent samples :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 hash:
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
MD5 hash:
2b342079303895c50af8040a91f30f71
SHA1 hash:
b11335e1cb8356d9c337cb89fe81d669a69de17e
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
SH256 hash:
e1cd1d1df222eeb723bc22f7ae326c151ea73ae6ef7c571516efe0dc1e2546fb
MD5 hash:
45d22efe66c3573da47197ff44dd54f2
SHA1 hash:
5c426bc365f775fbb433e2219c0dd2d146fc4cfc
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
SH256 hash:
971eaeb9f59d3921ec9679af2ffee297b9d62af119c1aa70f37ed16910fbe271
MD5 hash:
3358a7545a1526611608e2c7ea4047c8
SHA1 hash:
ced9cbf28ddb618cdaf90154aa9e0e389efc0a52
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
SH256 hash:
f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5
MD5 hash:
6f329d63437d6ab286852568c3a14b26
SHA1 hash:
0d2dce255fae521eacbaa9acf2ffbc7b8b6d04a1
Link:
https://www.unpac.me/results/6f46674a-c084-4c21-8e12-5fdf123c4689/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8b327bbf9e4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5

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
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu

File information

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

Web download

Stealc

Executable exe f8b327bbf9e446f5a3fd3257527a35c167785419dfbee5bf7e77ddfab56fb9d5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2780614/
Cape
Cape
https://www.capesandbox.com/analysis/478694/
  
URLhaus
https://urlhaus.abuse.ch/url/2749255/

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
ADVAPI32.dll::SetFileSecurityA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments


Avatar
zbet commented on 2024-03-12 05:23:37 UTC

url : hxxp://185.172.128.126/InstallSetup8.exe