MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e
SHA3-384 hash: 0595480b01d85a1ea7a6da8f9b68b3abb200505cc4f173cffe3725b55a894ddb0a2d65c83dab322aee00344b6acc0ad7
SHA1 hash: d7c49f907f8c409c378faf0798f08fea22ec802d
MD5 hash: 1ba099f6058e72cde0b63dc9ebf18099
humanhash: batman-idaho-tennessee-uncle
File name:1ba099f6058e72cde0b63dc9ebf18099.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:467'456 bytes
First seen:2024-03-21 07:00:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 778ccad6990ff49005ab127aaa21897f (4 x Stealc, 1 x Socks5Systemz)
ssdeep 6144:xcs5ooz0YbonsXpNIyYwWEyk+mJ4Ai8gJdLBd1tCu050Fh:us5oodEsX04/V3gJJZ05G
TLSH T1A9A4BE43F5D2FC69E06247304F2D99EC773EFC664D658B5732882E4E28711A1DA27B22
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 00000842624d4403 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.209/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e.exe
Verdict:
Malicious activity
Analysis date:
2024-03-21 07:05:48 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/fcbb2079-1bb8-44fb-90df-14fb7c6144f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

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
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for synchronization primitives
Creating a file
DNS request
Sending an HTTP POST request
Launching a process
Searching for the window
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
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 stealc
Link:
https://www.filescan.io/uploads/65fbdb2d757c624818b4da07/reports/ea87547b-68b9-4ef2-a5b6-f0c36de3816d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf1c1dd4-5556-428d-8467-ff7a269fc402
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/1412969
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
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 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)
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
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: 1412969 Sample: 796FRJSlco.exe Startdate: 21/03/2024 Architecture: WINDOWS Score: 100 73 westus2-2.in.applicationinsights.azure.com 2->73 75 westus2-2.in.ai.privatelink.monitor.azure.com 2->75 77 2 other IPs or domains 2->77 105 Snort IDS alert for network traffic 2->105 107 Multi AV Scanner detection for domain / URL 2->107 109 Found malware configuration 2->109 111 16 other signatures 2->111 11 796FRJSlco.exe 1 3 2->11         started        16 CFIECBFIDG.exe 2->16         started        18 CFIECBFIDG.exe 2->18         started        signatures3 process4 dnsIp5 87 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 11->87 89 185.172.128.126, 49732, 80 NADYMSS-ASRU Russian Federation 11->89 91 185.172.128.187, 49730, 49731, 80 NADYMSS-ASRU Russian Federation 11->91 69 C:\Users\user\AppData\Local\Temp\um0.1.exe, PE32 11->69 dropped 71 C:\Users\user\AppData\Local\Temp\um0.0.exe, PE32 11->71 dropped 127 Detected unpacking (changes PE section rights) 11->127 129 Detected unpacking (overwrites its own PE header) 11->129 20 um0.0.exe 78 11->20         started        25 um0.1.exe 18 8 11->25         started        27 WerFault.exe 21 16 11->27         started        131 Creates autostart registry keys with suspicious names 16->131 29 cmd.exe 16->29         started        31 cmd.exe 18->31         started        file6 signatures7 process8 dnsIp9 79 185.172.128.209, 49733, 80 NADYMSS-ASRU Russian Federation 20->79 81 185.172.128.65, 49753, 80 NADYMSS-ASRU Russian Federation 20->81 61 C:\Users\user\AppData\...\CFIECBFIDG.exe, PE32 20->61 dropped 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 20->63 dropped 65 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 20->65 dropped 67 11 other files (4 malicious) 20->67 dropped 115 Detected unpacking (changes PE section rights) 20->115 117 Detected unpacking (overwrites its own PE header) 20->117 119 Tries to steal Mail credentials (via file / registry access) 20->119 125 7 other signatures 20->125 33 cmd.exe 20->33         started        36 WerFault.exe 20->36         started        83 svc.iolo.com 20.157.87.45, 49734, 49752, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->83 121 Checks if the current machine is a virtual machine (disk enumeration) 25->121 38 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 11 25->38         started        40 conhost.exe 29->40         started        42 PING.EXE 29->42         started        123 Uses ping.exe to sleep 31->123 44 conhost.exe 31->44         started        46 PING.EXE 31->46         started        file10 signatures11 process12 signatures13 95 Uses ping.exe to sleep 33->95 97 Uses ping.exe to check the status of other devices and networks 33->97 48 CFIECBFIDG.exe 33->48         started        51 conhost.exe 33->51         started        99 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->99 101 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 38->101 103 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 38->103 process14 signatures15 93 Multi AV Scanner detection for dropped file 48->93 53 cmd.exe 48->53         started        process16 signatures17 113 Uses ping.exe to sleep 53->113 56 PING.EXE 53->56         started        59 conhost.exe 53->59         started        process18 dnsIp19 85 2.2.2.2 FranceTelecom-OrangeFR France 56->85
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-03-21 03:36:26 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=waiyqukuzh3adqqj6ktmghzscbls6fa5d3k43lems6y6v7n5zmxa._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat discovery persistence rat spyware stealer
Link:
https://tria.ge/reports/240321-hs7mhaeb32/
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
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
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
3eb47ce25815c3e32395ce8999c99775f9046c861d67b5105338bcbbc5b71b3b
MD5 hash:
071b5906189378941198f9fdcc671524
SHA1 hash:
a485c131c2d24942e80d4e09c70bfdb606ef3c1d
Link:
https://www.unpac.me/results/6c4f2a64-f8d0-43c3-b8d0-b3db8a55e53c/
Parent samples :
e70dcf3f915087251224a7db3850669c000a6da68ef2b55e3e2eda196cb01fc3
9f48fc874f3a8b96da4bf2e0ae1157ab6c717c4b5248363450e2796ae8ac67bf
SH256 hash:
b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e
MD5 hash:
1ba099f6058e72cde0b63dc9ebf18099
SHA1 hash:
d7c49f907f8c409c378faf0798f08fea22ec802d
Link:
https://www.unpac.me/results/6c4f2a64-f8d0-43c3-b8d0-b3db8a55e53c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b011885154c9/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/b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e

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:DebuggerException__SetConsoleCtrl
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 b011885154c9f601c209f2a6c31f3210572f141d1ed5cdac8c97b1eafdbdcb2e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2765033/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2780646/

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
AUTH_APIManipulates User AuthorizationUSER32.dll::SetUserObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

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