MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
SHA3-384 hash: d98cd0f36f514c3d548f959e4e4ca0c088004c9270ab0af74b75c3292e75f5fed645d73ee56d04d1afa1189f60d9a7fa
SHA1 hash: 2a1c8a1ddfce7b784b4f67ddf48445a5e3e6affe
MD5 hash: 902ac8e78936748f1c2a65eebe2a5bd7
humanhash: undress-solar-nebraska-victor
File name:SecuriteInfo.com.Win32.PWSX-gen.12246.12715
Download: download sample
Signature Stealc
Create hunting rule
File size:368'129 bytes
First seen:2024-04-04 13:23:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1810405e774d79f2c3be9d1af5f946b (3 x Stealc, 1 x Smoke Loader, 1 x LummaStealer)
ssdeep 6144:XnqaECNPTFkBgWFtBaNzFbwhkzp/LU++d0RIxgZk+mGMeja/K5+QEhIv:6a9NPTF8LFt6Jvzp/L2+Ixp1Gxj4KihK
Threatray 275 similar samples on MalwareBazaar
TLSH T1D574E05176E0D476D1F305323539FA911E3FB9621AB4818FA6982F7B2EB02C19E35723
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 5bb27e626ab2530a (6 x Stealc, 3 x LummaStealer, 1 x Glupteba)
Reporter SecuriteInfoCom
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463.exe
Verdict:
Malicious activity
Analysis date:
2024-04-04 13:30:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/65a148f8-7323-40b4-89ae-e4b44374fb35

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

Behaviour
Sending an HTTP GET request to an infection source
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
Creating a file
Launching the default Windows debugger (dwwin.exe)
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP POST request
Searching for the window
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed xpack
Link:
https://www.filescan.io/uploads/660ea9f6eda31927461c7b14/reports/5953666f-d5cd-4f69-ae42-df22d5244000/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
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/3d0daf0d-3b66-446c-b32b-4e7e2e4a8ef6
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/1420185
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 domain / URL
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: 1420185 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 04/04/2024 Architecture: WINDOWS Score: 100 61 westus2-2.in.applicationinsights.azure.com 2->61 63 westus2-2.in.ai.privatelink.monitor.azure.com 2->63 65 2 other IPs or domains 2->65 87 Snort IDS alert for network traffic 2->87 89 Multi AV Scanner detection for domain / URL 2->89 91 Found malware configuration 2->91 93 16 other signatures 2->93 11 SecuriteInfo.com.Win32.PWSX-gen.12246.12715.exe 1 3 2->11         started        signatures3 process4 dnsIp5 69 185.172.128.90, 49707, 80 NADYMSS-ASRU Russian Federation 11->69 71 185.172.128.144, 49710, 80 NADYMSS-ASRU Russian Federation 11->71 73 185.172.128.65, 49708, 49709, 49727 NADYMSS-ASRU Russian Federation 11->73 53 C:\Users\user\AppData\Local\Temp\u4mg.1.exe, PE32 11->53 dropped 55 C:\Users\user\AppData\Local\Temp\u4mg.0.exe, PE32 11->55 dropped 107 Detected unpacking (changes PE section rights) 11->107 109 Detected unpacking (overwrites its own PE header) 11->109 16 u4mg.0.exe 79 11->16         started        21 u4mg.1.exe 20 8 11->21         started        23 WerFault.exe 22 16 11->23         started        file6 signatures7 process8 dnsIp9 57 185.172.128.209, 49711, 80 NADYMSS-ASRU Russian Federation 16->57 45 C:\Users\user\AppData\...\DAKFCGIJKJ.exe, PE32 16->45 dropped 47 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->47 dropped 49 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->49 dropped 51 11 other files (7 malicious) 16->51 dropped 77 Multi AV Scanner detection for dropped file 16->77 79 Detected unpacking (changes PE section rights) 16->79 81 Detected unpacking (overwrites its own PE header) 16->81 85 8 other signatures 16->85 25 cmd.exe 16->25         started        28 WerFault.exe 16->28         started        59 svc.iolo.com 20.157.87.45, 49712, 49723, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->59 83 Checks if the current machine is a virtual machine (disk enumeration) 21->83 30 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 12 21->30         started        file10 signatures11 process12 signatures13 97 Uses ping.exe to sleep 25->97 99 Uses ping.exe to check the status of other devices and networks 25->99 32 DAKFCGIJKJ.exe 25->32         started        35 conhost.exe 25->35         started        101 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->101 103 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->103 105 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 30->105 process14 signatures15 75 Multi AV Scanner detection for dropped file 32->75 37 cmd.exe 32->37         started        process16 signatures17 95 Uses ping.exe to sleep 37->95 40 PING.EXE 37->40         started        43 conhost.exe 37->43         started        process18 dnsIp19 67 2.2.2.2 FranceTelecom-OrangeFR France 40->67
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-04 13:03:36 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
26 of 35 (74.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxn3vqwitidnimvken6mhl4w6m7fqsgj77bse3wptj72ljjqsrrq._file
Verdict:
malicious
Similar samples:
2e404cc6b00ec53566bf8bc3a6fccb165eb124129234b6b0ab42fce29543737d
Stealc
65a1e79c969feffa12cec0fafc652d612e1a9fe55f18dfe2200ef57ed5cf6310
Stealc
6e68947d87194f7a2619486e640205fa0c6776f1d4b5740ed97583014c448ba8
Stealc
81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83
Stealc
91a3e859de8695493d8de901d2bf20921bf9ee201044d110b79527fe3ea14e83
Stealc
+ 265 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat discovery rat spyware stealer
Link:
https://tria.ge/reports/240404-qnc64agh8y/
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:
929c311d58965ae456d96ca118fb7fcabf98699e02d30e0913ddf08a06e8d0c4
MD5 hash:
08aaaa25ef78eff19a96c02905e84004
SHA1 hash:
6940d4f0b6426d28d6f6821c2d531343eedb121d
Link:
https://www.unpac.me/results/a933008a-a35b-4e63-a1b3-77c3e319232a/
SH256 hash:
c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463
MD5 hash:
902ac8e78936748f1c2a65eebe2a5bd7
SHA1 hash:
2a1c8a1ddfce7b784b4f67ddf48445a5e3e6affe
Link:
https://www.unpac.me/results/a933008a-a35b-4e63-a1b3-77c3e319232a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5dbbac2c89a/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/c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463

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
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
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 c5dbbac2c89a06d432aa237cc3af96f33e5848c9ffc3226ecf9a7fa5a5309463

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2801032/
  
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_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::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW

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