MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f. 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 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f
SHA3-384 hash: e429499c4a176c7e99d702fd13956089fb60aa25cb004fa6ba931383ffbd4a896be60c00f98e5f5b36828a74ab8a4f6b
SHA1 hash: b4314484c26f41c51a3871ef09ac740cfab802f4
MD5 hash: e12b4d8b52a1da9cac774ca654fc0130
humanhash: kansas-king-three-triple
File name:e12b4d8b52a1da9cac774ca654fc0130
Download: download sample
Signature Stealc
Create hunting rule
File size:536'065 bytes
First seen:2024-04-10 21:47:45 UTC
Last seen:2024-04-10 22:22:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 14b99580ca219c92eefe00475417aec5 (1 x Stealc, 1 x UACModuleSmokeLoader)
ssdeep 6144:5Heym6fBQfVpRusuMRAffAevdmeTdY6Xq7p2mAGeqsbjAuUz1P2FCLIf:o96fBQfzRusuMeQeldTdYT2mHiwb/0f
TLSH T1FFB4D13122A3AF72F46726305A1ACEF80E6DB9D39B3C65C3E216159F1E712A0D637351
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 d2f0e4e4ecf8c6f9 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
499
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f.exe
Verdict:
Malicious activity
Analysis date:
2024-04-10 21:49:17 UTC
Tags:
gcleaner loader stealer stealc
Link:
https://app.any.run/tasks/0fe281b1-5d95-49bd-a722-6b772fbaba94

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Moving a file to the Program Files subdirectory
Replacing files
Creating a window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f
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/3981946b-ebed-4f8d-983e-a6ec7e86ef55
Result
Threat name:
Mars Stealer, PureLog Stealer, Stealc, V
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1424184
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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)
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 sample
Malicious sample detected (through community Yara rule)
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)
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
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1424184 Sample: 946oivaOKc.exe Startdate: 10/04/2024 Architecture: WINDOWS Score: 100 56 westus2-2.in.applicationinsights.azure.com 2->56 58 westus2-2.in.ai.privatelink.monitor.azure.com 2->58 60 2 other IPs or domains 2->60 84 Snort IDS alert for network traffic 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 15 other signatures 2->90 11 946oivaOKc.exe 1 3 2->11         started        signatures3 process4 dnsIp5 64 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 11->64 66 185.172.128.228, 49731, 49733, 49757 NADYMSS-ASRU Russian Federation 11->66 68 185.172.128.59, 49732, 80 NADYMSS-ASRU Russian Federation 11->68 52 C:\Users\user\AppData\Local\Temp\u4dw.1.exe, PE32 11->52 dropped 54 C:\Users\user\AppData\Local\Temp\u4dw.0.exe, PE32 11->54 dropped 15 u4dw.0.exe 70 11->15         started        20 u4dw.1.exe 14 8 11->20         started        22 WerFault.exe 21 16 11->22         started        file6 process7 dnsIp8 70 185.172.128.209, 49734, 80 NADYMSS-ASRU Russian Federation 15->70 44 C:\Users\user\AppData\...\HDAFBAEBKJ.exe, PE32 15->44 dropped 46 C:\Users\user\AppData\...\softokn3[1].dll, PE32 15->46 dropped 48 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 15->48 dropped 50 11 other files (7 malicious) 15->50 dropped 74 Antivirus detection for dropped file 15->74 76 Detected unpacking (changes PE section rights) 15->76 78 Detected unpacking (overwrites its own PE header) 15->78 82 8 other signatures 15->82 24 cmd.exe 15->24         started        27 WerFault.exe 15->27         started        72 svc.iolo.com 20.157.87.45, 49735, 49753, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->72 80 Checks if the current machine is a virtual machine (disk enumeration) 20->80 29 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 9 20->29         started        file9 signatures10 process11 signatures12 94 Uses ping.exe to sleep 24->94 96 Uses ping.exe to check the status of other devices and networks 24->96 31 HDAFBAEBKJ.exe 24->31         started        34 conhost.exe 24->34         started        98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 29->98 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 29->100 102 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 29->102 process13 signatures14 104 Antivirus detection for dropped file 31->104 106 Multi AV Scanner detection for dropped file 31->106 36 cmd.exe 31->36         started        process15 signatures16 92 Uses ping.exe to sleep 36->92 39 PING.EXE 36->39         started        42 conhost.exe 36->42         started        process17 dnsIp18 62 2.2.2.2 FranceTelecom-OrangeFR France 39->62
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2024-04-10 21:48:06 UTC
File Type:
PE (Exe)
Extracted files:
65
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nek7cz4cbkeiluatniwmom2tkd6uibc6yjnnk4l3win3wu3ugcpq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat discovery rat spyware stealer
Link:
https://tria.ge/reports/240410-1nrdtsfd5s/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
9874c7bd9d008c8a7105c8e402813204d5c3ddc3fb8d1aaddbb0e19d65062dfb
MD5 hash:
999af7adf5fa30b3d748da1b2e84affd
SHA1 hash:
8cfd1de05578d750b296d13f6f8bc1d78d42a891
Link:
https://www.unpac.me/results/b742613b-52c9-49b5-8778-17e9350ef8fe/
SH256 hash:
6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f
MD5 hash:
e12b4d8b52a1da9cac774ca654fc0130
SHA1 hash:
b4314484c26f41c51a3871ef09ac740cfab802f4
Link:
https://www.unpac.me/results/b742613b-52c9-49b5-8778-17e9350ef8fe/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6915f167820a/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/6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe 6915f167820a8885d0136a2cc7335350fd44045ec25ad5717bb21bbb5374309f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2801032/
  
URLhaus
https://urlhaus.abuse.ch/url/2804603/

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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments


Avatar
zbet commented on 2024-04-10 21:47:46 UTC

url : hxxp://185.172.128.144/ISetup2.exe