MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8
SHA3-384 hash: e6c72dc0f2dd6bbc4b2c6716c7a1feca514c6a5dba4f7d8f981b648b98f85d1a6e5c8c6a596e88b4896825f05ebf4636
SHA1 hash: 32de1b7315ecf0f684cb5e3f5b6ccc8b77b214f5
MD5 hash: 44809186c26c6851b67bd98c5498f3ca
humanhash: hawaii-oklahoma-wisconsin-five
File name:44809186c26c6851b67bd98c5498f3ca.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:1'942'528 bytes
First seen:2024-06-30 08:19:48 UTC
Last seen:2024-06-30 09:29:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:0vGfBq3ndOzIxgNSqDsslj7MpDtGq4mzX:0vSkozImQqDssRMp7TzX
TLSH T16E9533075E1735F6F0EBBA35926540123A9E32060BCD7C653F213632D86BD4F2568E7A
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
414
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.32132.18998.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668115b617db6c2841b26188win10vpnfull_triage
Tags:
Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Creating a file
Creating a window
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Connection attempt to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/668115386b8dba248b47635c/reports/1a521d84-0538-4198-a4c5-7244d8d514b0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/23d83cf6-458c-4188-96e8-16dda4b05527
Result
Threat name:
Amadey
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464827
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
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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)
Yara detected Amadeys stealer DLL
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1464827 Sample: 8vZMEr8sm9.exe Startdate: 30/06/2024 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic 2->31 33 Found malware configuration 2->33 35 Antivirus detection for URL or domain 2->35 37 11 other signatures 2->37 6 8vZMEr8sm9.exe 5 2->6         started        10 explorti.exe 2->10         started        12 explorti.exe 2->12         started        14 3 other processes 2->14 process3 file4 23 C:\Users\user\AppData\Local\...\explorti.exe, PE32 6->23 dropped 25 C:\Users\...\explorti.exe:Zone.Identifier, ASCII 6->25 dropped 47 Detected unpacking (changes PE section rights) 6->47 49 Tries to evade debugger and weak emulator (self modifying code) 6->49 51 Tries to detect virtualization through RDTSC time measurements 6->51 16 explorti.exe 15 6->16         started        53 Hides threads from debuggers 10->53 55 Tries to detect sandboxes / dynamic malware analysis system (registry check) 10->55 57 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 10->57 signatures5 process6 dnsIp7 27 77.91.77.82, 49703, 49704, 49705 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->27 29 77.91.77.81, 57431, 57432, 57433 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->29 21 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->21 dropped 39 Antivirus detection for dropped file 16->39 41 Multi AV Scanner detection for dropped file 16->41 43 Detected unpacking (changes PE section rights) 16->43 45 7 other signatures 16->45 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-06-30 08:20:09 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w23xjdoab7d2wfgkr3mhb6msgbvolgpkbkqzsnqls4zxxxgeop4a._file
Verdict:
unknown
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:default discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240630-j8fdmaycrk/
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://77.91.77.82
http://85.28.47.4
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bec553b8-fd0d-4390-a7d4-c0d0c0fc3914
Unpacked files
SH256 hash:
9d487225d3379048d887517f7eafdd39797e7350fcd8eec99d57c74d6ed7e38d
MD5 hash:
8a797c07589aede8f0e72850554e3336
SHA1 hash:
5719d74452024e3d969be9ce41c1e17009db7563
Detections:
win_amadey
Create hunting rule
Link:
https://www.unpac.me/results/c2a5aacf-dfcf-41af-83dd-a25e4fe45b4b/
SH256 hash:
b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8
MD5 hash:
44809186c26c6851b67bd98c5498f3ca
SHA1 hash:
32de1b7315ecf0f684cb5e3f5b6ccc8b77b214f5
Link:
https://www.unpac.me/results/c2a5aacf-dfcf-41af-83dd-a25e4fe45b4b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6b7748dc00f/report/overview.html
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/b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8

File information

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

Web download

Stealc

Executable exe b6b7748dc00fc7ab14ca8ed870f992306ae599ea0aa199360b97337bdcc473f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2911668/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2888852/
  
URLhaus
https://urlhaus.abuse.ch/url/2888851/
  
URLhaus
https://urlhaus.abuse.ch/url/2888853/

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

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