MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3. 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 9 File information Comments

SHA256 hash: 45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3
SHA3-384 hash: 20427f6237f77533075b71a8eeb96cd7e93dedca3442369ce17eaa8ff3d6836e87247a44eb1cab95440b0ef074147f5a
SHA1 hash: eb3fc6d10b7a74b8f5367d3e7af7e7f2c8171010
MD5 hash: e5b8601b3855fd1ed6d5323f65adf406
humanhash: seventeen-august-avocado-cup
File name:e5b8601b3855fd1ed6d5323f65adf406.exe
Download: download sample
Signature Stealc
File size:323'072 bytes
First seen:2024-03-20 10:30:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 22d51019ef926c7d67891a16d936728c (3 x Smoke Loader, 3 x Stealc, 1 x Glupteba)
ssdeep 3072:v0ENjSS+ER4ib+scKaEXw+U9KrRNlipuMUYhNLYx1o/ljqhTz6d:pGcblwmrRNlzYhlYxiQhT
TLSH T169645903B5D2FC61E46247314E6D99ECB72EFCA6CD259B5323443E0F28722A0DA67B51
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0009418092322204 (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 :
350
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 10:31:10 UTC
Tags:
stealer stealc

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

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
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.
Result
Threat name:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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
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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1412299 Sample: ABKOhOV3qz.exe Startdate: 20/03/2024 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Found malware configuration 2->66 68 11 other signatures 2->68 9 ABKOhOV3qz.exe 78 2->9         started        14 IDHJEBGIEB.exe 1 3 2->14         started        16 IDHJEBGIEB.exe 1 3 2->16         started        process3 dnsIp4 56 185.172.128.209, 49729, 80 NADYMSS-ASRU Russian Federation 9->56 58 185.172.128.65, 49736, 80 NADYMSS-ASRU Russian Federation 9->58 48 C:\Users\user\AppData\...\IDHJEBGIEB.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->52 dropped 54 11 other files (3 malicious) 9->54 dropped 76 Detected unpacking (changes PE section rights) 9->76 78 Detected unpacking (overwrites its own PE header) 9->78 80 Tries to steal Mail credentials (via file / registry access) 9->80 84 7 other signatures 9->84 18 cmd.exe 1 9->18         started        21 WerFault.exe 21 16 9->21         started        82 Creates autostart registry keys with suspicious names 14->82 23 cmd.exe 14->23         started        25 cmd.exe 16->25         started        file5 signatures6 process7 signatures8 70 Uses ping.exe to sleep 18->70 72 Uses ping.exe to check the status of other devices and networks 18->72 27 IDHJEBGIEB.exe 1 4 18->27         started        30 conhost.exe 18->30         started        32 conhost.exe 23->32         started        34 PING.EXE 23->34         started        36 conhost.exe 25->36         started        38 PING.EXE 1 25->38         started        process9 signatures10 86 Multi AV Scanner detection for dropped file 27->86 40 cmd.exe 1 27->40         started        process11 signatures12 74 Uses ping.exe to sleep 40->74 43 PING.EXE 1 40->43         started        46 conhost.exe 40->46         started        process13 dnsIp14 60 2.2.2.2 FranceTelecom-OrangeFR France 43->60
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2024-03-20 10:31:05 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery persistence spyware stealer
Behaviour
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Stealc
Unpacked files
SH256 hash:
28a7e49221f1cfb589fe18d1e37aec52371886f3299308c6c77a2eac4faba0de
MD5 hash:
b4a1f5af8cfeeb61b3597e5d0a3d4606
SHA1 hash:
2292b4322bc8c6778c5139b8d5375ec7f2ffe2f9
Detections:
stealc win_stealc_auto
SH256 hash:
45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3
MD5 hash:
e5b8601b3855fd1ed6d5323f65adf406
SHA1 hash:
eb3fc6d10b7a74b8f5367d3e7af7e7f2c8171010
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_w0
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information


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

Web download

Stealc

Executable exe 45ab730f19b743bca12db47745e8cd2254df1914432acb2b3b0a079c930afee3

(this sample)

  
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
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::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments