MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc
SHA3-384 hash: 10ad695dd74d9ded401546808267ea90d2ffe052b9599b32b334b4ffc0d6dfaa359e4300808a3cff44cb1a9614c150f8
SHA1 hash: 555ff6023439e54008fff0fa192d31c54ca09eb7
MD5 hash: 3679e576597b6f2a4252300d6a6ac323
humanhash: carbon-green-crazy-march
File name:3679e576597b6f2a4252300d6a6ac323.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:424'449 bytes
First seen:2024-04-22 13:35:36 UTC
Last seen:2024-04-22 14:30:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12f7de8a3c68b276aca25710ff68730e (11 x Stealc)
ssdeep 6144:KaNQSzDOdLCY3IIYNmFemr3SVmId141qQ6Kn5AAESl+YYbrnThEI9CHqADl4dqDx:KaNQFzxAPIY0qQ3OAESl+Vbr1kYq1P
TLSH T16394F111B2F0DC7ED9664A70CC2BFAE41A2EBD314E71859B379C266F1D31290D62B316
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 64f29a9889898991 (4 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.76/3cd2b41cbde8fc9c.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
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
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Launching a process
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:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint overlay
Link:
https://www.filescan.io/uploads/662667c7bf719463848fa918/reports/4e6f1c96-7e74-4466-b508-33bd29170c23/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc
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/93d4a082-a578-48b2-a5b9-a0b67b905d41
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/1429685
Signature
.NET source code contains potential unpacker
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped 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)
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: 1429685 Sample: lFQSwG6oxr.exe Startdate: 22/04/2024 Architecture: WINDOWS Score: 100 39 westus2-2.in.applicationinsights.azure.com 2->39 41 westus2-2.in.ai.privatelink.monitor.azure.com 2->41 43 3 other IPs or domains 2->43 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 10 other signatures 2->61 8 lFQSwG6oxr.exe 1 3 2->8         started        signatures3 process4 dnsIp5 45 185.172.128.90, 49705, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.228, 49706, 49709, 80 NADYMSS-ASRU Russian Federation 8->47 49 2 other IPs or domains 8->49 27 C:\Users\user\AppData\Local\Temp\u28c.1.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\Temp\u28c.0.exe, PE32 8->29 dropped 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 13 u28c.0.exe 77 8->13         started        18 u28c.1.exe 20 8 8->18         started        20 WerFault.exe 19 16 8->20         started        file6 signatures7 process8 dnsIp9 51 185.172.128.76, 49710, 80 NADYMSS-ASRU Russian Federation 13->51 31 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->31 dropped 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->33 dropped 35 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->35 dropped 37 9 other files (5 malicious) 13->37 dropped 73 Multi AV Scanner detection for dropped file 13->73 75 Detected unpacking (changes PE section rights) 13->75 77 Detected unpacking (overwrites its own PE header) 13->77 81 9 other signatures 13->81 22 WerFault.exe 13->22         started        53 svc.iolo.com 20.157.87.45, 49711, 49734, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->53 79 Checks if the current machine is a virtual machine (disk enumeration) 18->79 24 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 14 11 18->24         started        file10 signatures11 process12 signatures13 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->63 65 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 24->65 67 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 24->67
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2024-04-22 13:36:06 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=asdkqz43pa3io6bnigtzsgonvb6o5b4pbxjc6r2jzxqnoslxwk6a._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:stealc family:zgrat rat stealer
Link:
https://tria.ge/reports/240422-qv8xcaca52/
Behaviour
Checks SCSI registry key(s)
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect ZGRat V1
Stealc
ZGRat
Unpacked files
SH256 hash:
a1ff96ad65a9ead5053b1de9ed94a03ff792cb4f39d84e3123f62ab22fb71e29
MD5 hash:
37862a13464da087a12b6b45fe34f9fe
SHA1 hash:
9214969d475793f2647cbea48760f29998c907d5
Link:
https://www.unpac.me/results/64e3d4ab-7e5c-4b72-9eb1-35eac895c281/
SH256 hash:
0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc
MD5 hash:
3679e576597b6f2a4252300d6a6ac323
SHA1 hash:
555ff6023439e54008fff0fa192d31c54ca09eb7
Link:
https://www.unpac.me/results/64e3d4ab-7e5c-4b72-9eb1-35eac895c281/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0486a8679b78/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.

File information

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

Web download

Stealc

Executable exe 0486a8679b783687782d41a79919cda87cee878f0dd22f4749cde0d74977b2bc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2804603/
  
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::FindNextVolumeW
KERNEL32.dll::SetFirmwareEnvironmentVariableA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleDisplayMode
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments