MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357
SHA3-384 hash: 182f3c2e3ff37903979593d99396fdc2b9d7432044c5338b48a4d1db1f4a01d978bd672de5641e91d1707d3a46818c1a
SHA1 hash: 086b1e036bf86da6eb993026aee9a5ef97cadacc
MD5 hash: 220d3b545e973e99f08261987a537e94
humanhash: october-april-idaho-north
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'531'328 bytes
First seen:2024-07-14 07:05:23 UTC
Last seen:2024-07-24 14:05:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:sdo2LoL8iIBIcHh67oGYytYqvxnbxuWnEE1oJa21juVwGjWqLew:GLo41JHhjGPtYSnbxCEaJawjoLz
TLSH T1CBC53332DF290790FF75AD79B64E1D5489CB290C7FD20310E94A5B8EF8A23E4A10D799
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 Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence

File Origin
# of uploads :
14
# of downloads :
374
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357.exe
Verdict:
Malicious activity
Analysis date:
2024-07-14 07:10:11 UTC
Tags:
stealer stealc loader antivm amadey botnet themida
Link:
https://app.any.run/tasks/61262ce7-6920-4573-b7b8-34138ec067cc

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:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669378dbda3a746b9a73def4win7simulatehigh_evasion
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/669378db4ca8f69aa81a1464/reports/499a5ee5-8fc6-4d3b-99a0-1627aaf6ad52/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357
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/355b28cf-d163-4c91-8efc-7b532560e98e
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/1472819
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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)
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Amadeys stealer DLL
Yara detected Mars stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472819 Sample: file.exe Startdate: 14/07/2024 Architecture: WINDOWS Score: 100 67 www.youtube.com 2->67 69 www.wikipedia.org 2->69 71 33 other IPs or domains 2->71 85 Snort IDS alert for network traffic 2->85 87 Multi AV Scanner detection for domain / URL 2->87 89 Found malware configuration 2->89 91 19 other signatures 2->91 9 file.exe 36 2->9         started        14 explorti.exe 19 2->14         started        16 firefox.exe 1 2->16         started        signatures3 process4 dnsIp5 73 85.28.47.30, 49730, 49745, 80 GES-ASRU Russian Federation 9->73 75 77.91.77.81, 49737, 49744, 49747 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 9->75 49 C:\Users\user\AppData\...behaviorgraphHCGDAFCFH.exe, PE32 9->49 dropped 51 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->51 dropped 53 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->53 dropped 63 12 other files (8 malicious) 9->63 dropped 105 Detected unpacking (changes PE section rights) 9->105 107 Tries to steal Mail credentials (via file / registry access) 9->107 109 Found many strings related to Crypto-Wallets (likely being stolen) 9->109 117 4 other signatures 9->117 18 cmd.exe 1 9->18         started        20 cmd.exe 2 9->20         started        77 77.91.77.82, 49743, 49746, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 14->77 55 C:\Users\user\AppData\...\865150882d.exe, PE32 14->55 dropped 57 C:\Users\user\AppData\...\e45050e826.exe, PE32 14->57 dropped 59 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->59 dropped 61 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->61 dropped 111 Hides threads from debuggers 14->111 113 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->113 115 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 14->115 22 e45050e826.exe 12 14->22         started        25 865150882d.exe 1 14->25         started        27 firefox.exe 176 16->27         started        file6 signatures7 process8 dnsIp9 30 GHCGDAFCFH.exe 4 18->30         started        34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        93 Antivirus detection for dropped file 22->93 95 Multi AV Scanner detection for dropped file 22->95 97 Detected unpacking (changes PE section rights) 22->97 99 Hides threads from debuggers 22->99 101 Binary is likely a compiled AutoIt script file 25->101 103 Machine Learning detection for dropped file 25->103 38 firefox.exe 1 25->38         started        79 youtube-ui.l.google.com 142.250.186.174 GOOGLEUS United States 27->79 81 142.251.35.174 GOOGLEUS United States 27->81 83 10 other IPs or domains 27->83 40 firefox.exe 27->40         started        42 firefox.exe 27->42         started        44 firefox.exe 27->44         started        signatures10 process11 file12 65 C:\Users\user\AppData\Local\...\explorti.exe, PE32 30->65 dropped 127 Antivirus detection for dropped file 30->127 129 Machine Learning detection for dropped file 30->129 131 Tries to evade debugger and weak emulator (self modifying code) 30->131 133 5 other signatures 30->133 46 explorti.exe 30->46         started        signatures13 process14 signatures15 119 Antivirus detection for dropped file 46->119 121 Detected unpacking (changes PE section rights) 46->121 123 Tries to detect sandboxes and other dynamic analysis tools (window names) 46->123 125 6 other signatures 46->125
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2024-07-14 07:06:06 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jw6ohneovibsaimjhju5kdyvgnu6x624rqnf3dy56krv326a6nlq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:hate discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240714-hw3gys1bnq/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
AutoIT Executable
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://85.28.47.30
http://77.91.77.82
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e647240d-c43e-4956-970e-37f8a0b2f7da
Unpacked files
SH256 hash:
4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357
MD5 hash:
220d3b545e973e99f08261987a537e94
SHA1 hash:
086b1e036bf86da6eb993026aee9a5ef97cadacc
Link:
https://www.unpac.me/results/36c6eb14-a248-4caa-86df-f946b4e5095c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Stealc

Executable exe 4dbce3b48eaa032021893a69d50f153369ebfb5c8c1a5d8f1df2a35debc0f357

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
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