MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab
SHA3-384 hash: 23bf1a74f5eab989ed7500d6fbdd42e5aa5f6d93f1060808d18e455230e6386906a2e75009e060bc8e97d2f1819894ad
SHA1 hash: df2407248d56b0e6f8624f7aa5a09f581afe6cd7
MD5 hash: a2384765d326a56b74082113f5cb3266
humanhash: paris-dakota-alpha-delaware
File name:a2384765d326a56b74082113f5cb3266.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:423'937 bytes
First seen:2024-04-22 21:25:55 UTC
Last seen:2024-04-22 22:30:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d10268a82f0ec0b09c4d5e18431c41e9 (21 x Stealc, 2 x LummaStealer, 1 x Arechclient2)
ssdeep 6144:NaNt/d72DNnUJq82dyLMg4beAnnBV7i/2oor6O744r0tyRZ/hY:NaNKH8LL8Lu/MIc/hY
TLSH T1D494010175B0DA73D6538A704C19EAF01A6EB9322EA474AFB34717EF09703E076A7356
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 64d29a98a9a98981 (2 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 :
343
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab.exe
Verdict:
Malicious activity
Analysis date:
2024-04-23 04:29:32 UTC
Tags:
gcleaner loader stealer stealc telnet hijackloader arechclient2 backdoor
Link:
https://app.any.run/tasks/3ad1afca-99bc-49e8-9478-2e845224ced0

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

Behaviour
Searching for the window
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
Running batch commands
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file
Launching a process
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Transferring files using the Background Intelligent Transfer Service (BITS)
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Enabling the 'hidden' option for files in the %temp% directory
Moving a recently created file
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay
Link:
https://www.filescan.io/uploads/6626d5ecd2fc149e41190c9e/reports/cb62cec0-41b7-4fec-a4c2-96ac0ca5dfca/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab
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/f7fe6343-4aa7-495b-874a-8d992532b790
Result
Threat name:
Mars Stealer, PureLog Stealer, RedLine,
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429958
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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)
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)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1429958 Sample: 40jnt39QJ2.exe Startdate: 22/04/2024 Architecture: WINDOWS Score: 100 95 download.iolo.net 2->95 97 westus2-2.in.applicationinsights.azure.com 2->97 99 8 other IPs or domains 2->99 129 Snort IDS alert for network traffic 2->129 131 Found malware configuration 2->131 133 Malicious sample detected (through community Yara rule) 2->133 135 14 other signatures 2->135 11 40jnt39QJ2.exe 1 4 2->11         started        16 ptInst.exe 2->16         started        signatures3 process4 dnsIp5 107 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 11->107 109 185.172.128.228, 49731, 80 NADYMSS-ASRU Russian Federation 11->109 111 2 other IPs or domains 11->111 77 C:\Users\user\AppData\Local\Temp\u54w.1.exe, PE32 11->77 dropped 79 C:\Users\user\AppData\Local\Temp\u54w.0.exe, PE32 11->79 dropped 81 C:\Users\user\AppData\Local\...\Qg_Appv5.exe, PE32 11->81 dropped 165 Detected unpacking (changes PE section rights) 11->165 167 Detected unpacking (overwrites its own PE header) 11->167 18 Qg_Appv5.exe 10 11->18         started        22 u54w.0.exe 68 11->22         started        25 u54w.1.exe 12 8 11->25         started        27 WerFault.exe 21 16 11->27         started        83 C:\Users\user\AppData\Local\Temp\584d3a22, DOS 16->83 dropped 169 Maps a DLL or memory area into another process 16->169 171 Found direct / indirect Syscall (likely to bypass EDR) 16->171 29 cmd.exe 16->29         started        file6 signatures7 process8 dnsIp9 57 C:\Users\user\AppData\Local\...\ptInst.exe, PE32 18->57 dropped 59 C:\Users\user\AppData\...\vcruntime140.dll, PE32 18->59 dropped 61 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32 18->61 dropped 63 C:\Users\user\AppData\Local\...\WCLDll.dll, PE32 18->63 dropped 137 Detected unpacking (overwrites its own PE header) 18->137 139 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->139 141 Found direct / indirect Syscall (likely to bypass EDR) 18->141 31 ptInst.exe 7 18->31         started        103 185.172.128.76, 49734, 80 NADYMSS-ASRU Russian Federation 22->103 65 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 22->65 dropped 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 22->67 dropped 69 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 22->69 dropped 73 9 other files (none is malicious) 22->73 dropped 143 Detected unpacking (changes PE section rights) 22->143 145 Tries to steal Mail credentials (via file / registry access) 22->145 147 Found many strings related to Crypto-Wallets (likely being stolen) 22->147 155 6 other signatures 22->155 35 WerFault.exe 22->35         started        105 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->105 149 Checks if the current machine is a virtual machine (disk enumeration) 25->149 37 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 25->37         started        71 C:\Users\user\AppData\Local\Temp\paj, PE32 29->71 dropped 151 Writes to foreign memory regions 29->151 153 Maps a DLL or memory area into another process 29->153 39 MSBuild.exe 29->39         started        41 conhost.exe 29->41         started        file10 signatures11 process12 file13 85 C:\Users\user\AppData\...\vcruntime140.dll, PE32 31->85 dropped 87 C:\Users\user\AppData\Roaming\...\ptInst.exe, PE32 31->87 dropped 89 C:\Users\user\AppData\...\msvcp140.dll, PE32 31->89 dropped 91 C:\Users\user\AppData\Roaming\...\WCLDll.dll, PE32 31->91 dropped 113 Found direct / indirect Syscall (likely to bypass EDR) 31->113 43 ptInst.exe 1 31->43         started        115 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 37->115 117 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 37->117 119 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 37->119 121 Tries to harvest and steal browser information (history, passwords, etc) 39->121 signatures14 process15 file16 75 C:\Users\user\AppData\Local\Temp\49ba8dc4, DOS 43->75 dropped 161 Maps a DLL or memory area into another process 43->161 163 Found direct / indirect Syscall (likely to bypass EDR) 43->163 47 cmd.exe 4 43->47         started        signatures17 process18 file19 93 C:\Users\user\AppData\Local\Temp\vxrtqculou, PE32 47->93 dropped 123 Writes to foreign memory regions 47->123 125 Found hidden mapped module (file has been removed from disk) 47->125 127 Maps a DLL or memory area into another process 47->127 51 MSBuild.exe 47->51         started        55 conhost.exe 47->55         started        signatures20 process21 dnsIp22 101 91.215.85.66 PINDC-ASRU Russian Federation 51->101 157 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 51->157 159 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 51->159 signatures23
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-22 23:58:12 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=csokhfdrumzpgvkcyleiaom5cynccifmcqq3yowyr7slaaiwr2vq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc rat stealer trojan
Link:
https://tria.ge/reports/240422-z959fage59/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
SectopRAT
SectopRAT payload
Stealc
Unpacked files
SH256 hash:
a1ff96ad65a9ead5053b1de9ed94a03ff792cb4f39d84e3123f62ab22fb71e29
MD5 hash:
37862a13464da087a12b6b45fe34f9fe
SHA1 hash:
9214969d475793f2647cbea48760f29998c907d5
Link:
https://www.unpac.me/results/db21f1b9-f733-4b1b-a749-71fb5904f6b9/
SH256 hash:
149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab
MD5 hash:
a2384765d326a56b74082113f5cb3266
SHA1 hash:
df2407248d56b0e6f8624f7aa5a09f581afe6cd7
Link:
https://www.unpac.me/results/db21f1b9-f733-4b1b-a749-71fb5904f6b9/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/149ca39471a3/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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Bolonyokte
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:UnknownDotNet RAT - Bolonyokte
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:yara_template
Create hunting rule

File information

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

Web download

Stealc

Executable exe 149ca39471a332f35542c2c880399d161a2120ac1421bc3ad88fe4b001168eab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2802625/
  
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::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasesLengthA
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