MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a. 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: 12
| SHA256 hash: | 905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a |
|---|---|
| SHA3-384 hash: | 2e720563faa4441b3d71ca6b48e1da411c2a886eef5da9ea4a9b3b5b22f0e7fb283dcba5e0c36d98e28bb1148c7c4d51 |
| SHA1 hash: | 056fb1cdf016ac6d510425ae4dc1693f257dc12e |
| MD5 hash: | fa854b73b477f55bd2faa482ba8e8fc4 |
| humanhash: | jig-apart-glucose-stairway |
| File name: | fa854b73b477f55bd2faa482ba8e8fc4.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 1'410'568 bytes |
| First seen: | 2024-05-07 20:45:27 UTC |
| Last seen: | 2024-05-07 21:22:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a99648a4d417f4130faca9d4625edb8e (2 x Stealc) |
| ssdeep | 24576:ZtnIMSJmXTYznHLtEqzH+qrjQYgkIuIcDH7IueXN5CUaCWyOVyOckiAhUcMkiAhl:ZtIMvE7rtz7+q/QYgkIu3DHkuedz6rVl |
| TLSH | T1B265016D75C3C4F1D9A30B301AECF2B05A78BD614E5249A73784772E8E35FC2B121A66 |
| TrID | 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1) |
| File icon (PE): |  |
| dhash icon | f0cccccc8ccce8b2 (2 x Stealc) |
| Reporter |  abuse_ch |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
2
# of downloads :
331
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 20:47:56 UTC
Tags:
hijackloader loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fingerprint installer overlay packed
Verdict:
Malicious
Labled as:
Jaik.Generic
Verdict:
Suspicious
Result
Threat name:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
PE file has a writeable .text section
Sample uses string decryption to hide its real strings
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
11%
Verdict:
Benign
File Type:
PE
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-05-07 20:46:05 UTC
File Type:
PE (Exe)
Extracted files:
136
AV detection:
16 of 24 (66.67%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Result
Malware family:
stealc
Score:
10/10
Tags:
family:hijackloader family:stealc loader spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Deletes itself
Loads dropped DLL
Downloads MZ/PE file
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Stealc
Malware Config
C2 Extraction:
http://193.163.7.82
Unpacked files
SH256 hash:
905c7a4a098ad5c0fae3b8f15fa5fa56a06372b7441aede1958ae1171e555b2a
MD5 hash:
fa854b73b477f55bd2faa482ba8e8fc4
SHA1 hash:
056fb1cdf016ac6d510425ae4dc1693f257dc12e
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Windows_Trojan_Stealc_b8ab9ab5 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_stealc_auto |
|---|---|
| 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW KERNEL32.dll::FindFirstFileW |
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