MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc. 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 22 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc
SHA3-384 hash: a2e9c02ec0a2be50cae21988279e655ec9b845abbefed680be4121010824acfb83ac8c5b2281f090c290e194a68533c0
SHA1 hash: 7f5fea45aece28601ef66caa6d2174cd1657d60e
MD5 hash: 278754c8f6050d4bbf4d9a243f048429
humanhash: nine-alaska-mountain-magazine
File name:278754c8f6050d4bbf4d9a243f048429
Download: download sample
Signature Stealc
Create hunting rule
File size:2'515'456 bytes
First seen:2024-06-27 03:56:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:hVaSO67RllElwjXU925M3LrYr5V/iGfxuopt0w8olALw1U+3O:DK6llpMgM3LUrHf56Rol4CU
TLSH T1A2C533915C1DBB90C38A2EBF683E666BF1D0CC1166F6D8999BC24D9225D306087CA74F
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc.exe
Verdict:
Malicious activity
Analysis date:
2024-06-27 04:00:53 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/8c424207-18b1-4dcd-967d-c130eff3b5cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=667ce368f2a3d25545468f8fwin10vpnfull_triage
Tags:
Generic Infostealer Network Stealth Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/667ce31021581a92819f9d45/reports/9b25ab42-75f6-4207-82fd-12685a3aaa6a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ff982a8-1dc6-4be1-94a4-36d0ef8715df
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1463419
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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 Amadeys stealer DLL
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1463419 Sample: wqmnYoVbHr.exe Startdate: 27/06/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 16 other signatures 2->59 8 wqmnYoVbHr.exe 37 2->8         started        13 explortu.exe 16 2->13         started        process3 dnsIp4 47 85.28.47.4, 49711, 49731, 80 GES-ASRU Russian Federation 8->47 49 77.91.77.81, 49714, 49729, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 8->49 35 C:\Users\user\AppData\...\AFHDAKJKFC.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->39 dropped 45 11 other files (7 malicious) 8->45 dropped 77 Detected unpacking (changes PE section rights) 8->77 79 Tries to steal Mail credentials (via file / registry access) 8->79 81 Found many strings related to Crypto-Wallets (likely being stolen) 8->81 89 4 other signatures 8->89 15 cmd.exe 1 8->15         started        17 cmd.exe 2 8->17         started        51 147.45.47.155, 49728, 49730, 49733 FREE-NET-ASFREEnetEU Russian Federation 13->51 41 C:\Users\user\AppData\...\cb41bc9329.exe, PE32 13->41 dropped 43 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->43 dropped 83 Hides threads from debuggers 13->83 85 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->85 87 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->87 19 cb41bc9329.exe 12 13->19         started        file5 signatures6 process7 signatures8 22 AFHDAKJKFC.exe 4 15->22         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        61 Antivirus detection for dropped file 19->61 63 Multi AV Scanner detection for dropped file 19->63 65 Detected unpacking (changes PE section rights) 19->65 67 2 other signatures 19->67 process9 file10 33 C:\Users\user\AppData\Local\...\explortu.exe, PE32 22->33 dropped 69 Antivirus detection for dropped file 22->69 71 Detected unpacking (changes PE section rights) 22->71 73 Machine Learning detection for dropped file 22->73 75 6 other signatures 22->75 30 explortu.exe 22->30         started        signatures11 process12 signatures13 91 Antivirus detection for dropped file 30->91 93 Detected unpacking (changes PE section rights) 30->93 95 Tries to detect sandboxes and other dynamic analysis tools (window names) 30->95 97 5 other signatures 30->97
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-27 03:38:38 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2iifgrmvemqnsvtbnthxj5zqerba65qz65c4lqpanitsxtlrthoa._file
Verdict:
suspicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:0e6740 botnet:default discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240627-ehx4jatfrq/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.4
http://147.45.47.155
Unpacked files
SH256 hash:
d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc
MD5 hash:
278754c8f6050d4bbf4d9a243f048429
SHA1 hash:
7f5fea45aece28601ef66caa6d2174cd1657d60e
Link:
https://www.unpac.me/results/5628f23b-f14e-4108-beac-92211afa92a4/
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/d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:infostealer_win_stealc_standalone
Create hunting rule
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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
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/
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 d2105345952320d956616ccf74f73024420f7619f745c5c1e06a272bcd7199dc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2907046/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/

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_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

Comments


Avatar
zbet commented on 2024-06-27 03:56:52 UTC

url : hxxp://77.91.77.81/stealc/random.exe