MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a1f1e8ee82fadbae89062ec9a37d84632fe5e6cd29e0cb6820e3d0f808f2e1. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: 38a1f1e8ee82fadbae89062ec9a37d84632fe5e6cd29e0cb6820e3d0f808f2e1
SHA3-384 hash: db93537d6961600154f430d1a3bcc8c04ca7b7f70dc4b630874922bd362d7c572c3b6d34d72b866b9803609280575709
SHA1 hash: 7153232a0064d8d1d67ef952d4d056efff11cc06
MD5 hash: 483491e738663bec525fab2ea8ef8bd0
humanhash: sodium-nineteen-magnesium-neptune
File name:file
Download: download sample
Signature Stealc
File size:1'778'176 bytes
First seen:2024-08-27 14:41:44 UTC
Last seen:2024-08-27 15:45:45 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:aIC/djdZSzNBdaOpj/R6f8UuegF7ok40eub2:aICxdZSZnDjZ6f8UrgFrK
TLSH T1FE8533C4975915BEC23E07BB4613BB095F19C92FC8BDBBF1032820A5C3D7A26255ACE5
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)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://31.41.244.11/steam/random.exe

Intelligence


File Origin
# of uploads :
10
# of downloads :
373
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-27 14:43:56 UTC
Tags:
stealer stealc loader themida amadey botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
anti-vm microsoft_visual_cc packed
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:
Amadey, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Creates multiple autostart registry keys
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
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
PE file contains section with special chars
Sigma detected: Suspicious File Creation In Uncommon AppData Folder
Suricata IDS alerts 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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1499816 Sample: file.exe Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Antivirus detection for URL or domain 2->98 100 11 other signatures 2->100 8 file.exe 38 2->8         started        13 svoutse.exe 19 2->13         started        15 msedge.exe 2->15         started        17 4 other processes 2->17 process3 dnsIp4 70 185.215.113.100, 49730, 49738, 49744 WHOLESALECONNECTIONSNL Portugal 8->70 72 31.41.244.11, 49737, 49741, 49743 AEROEXPRESS-ASRU Russian Federation 8->72 58 C:\Users\user\AppData\RoamingBKKKFCFIIJ.exe, PE32 8->58 dropped 60 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->60 dropped 62 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->62 dropped 68 12 other files (8 malicious) 8->68 dropped 134 Detected unpacking (changes PE section rights) 8->134 136 Tries to steal Mail credentials (via file / registry access) 8->136 138 Found many strings related to Crypto-Wallets (likely being stolen) 8->138 150 6 other signatures 8->150 19 cmd.exe 1 8->19         started        21 cmd.exe 1 8->21         started        74 31.41.244.10, 49740, 49742, 49745 AEROEXPRESS-ASRU Russian Federation 13->74 140 Hides threads from debuggers 13->140 142 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->142 144 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->144 23 70c48d58fa.exe 13 13->23         started        26 bdc704b54f.exe 13->26         started        64 C:\Users\user\AppData\Local\...\Login Data, SQLite 15->64 dropped 66 C:\Users\user\AppData\Local\...\History, SQLite 15->66 dropped 146 Creates multiple autostart registry keys 15->146 148 Maps a DLL or memory area into another process 15->148 28 msedge.exe 15->28         started        35 3 other processes 15->35 76 192.168.2.4, 443, 49723, 49724 unknown unknown 17->76 78 192.168.2.17 unknown unknown 17->78 80 2 other IPs or domains 17->80 31 msedge.exe 17->31         started        33 msedge.exe 17->33         started        37 6 other processes 17->37 file5 signatures6 process7 dnsIp8 39 RoamingBKKKFCFIIJ.exe 4 19->39         started        43 conhost.exe 19->43         started        45 userGHJKEHJEGC.exe 21->45         started        47 conhost.exe 21->47         started        110 Detected unpacking (changes PE section rights) 23->110 112 Tries to detect sandboxes and other dynamic analysis tools (window names) 23->112 114 Tries to evade debugger and weak emulator (self modifying code) 23->114 118 3 other signatures 23->118 116 Binary is likely a compiled AutoIt script file 26->116 49 msedge.exe 26->49         started        82 googlehosted.l.googleusercontent.com 142.250.185.161, 443, 49805 GOOGLEUS United States 28->82 84 142.250.65.234, 443, 49816, 49817 GOOGLEUS United States 28->84 90 5 other IPs or domains 28->90 86 s-part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49768, 49777 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->86 88 svc.ha-teams.office.com 52.123.243.146, 443, 49747, 49748 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->88 92 6 other IPs or domains 31->92 signatures9 process10 file11 56 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 39->56 dropped 120 Detected unpacking (changes PE section rights) 39->120 122 Tries to evade debugger and weak emulator (self modifying code) 39->122 124 Tries to detect virtualization through RDTSC time measurements 39->124 132 2 other signatures 39->132 51 svoutse.exe 39->51         started        126 Antivirus detection for dropped file 45->126 128 Machine Learning detection for dropped file 45->128 130 Hides threads from debuggers 45->130 54 msedge.exe 49->54         started        signatures12 process13 signatures14 102 Detected unpacking (changes PE section rights) 51->102 104 Tries to evade debugger and weak emulator (self modifying code) 51->104 106 Hides threads from debuggers 51->106 108 2 other signatures 51->108
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-08-27 14:42:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Verdict:
suspicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:leva discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://185.215.113.100
Unpacked files
SH256 hash:
af0a863cf5351649b0008baed5ef4d8ba56c17eb2057255a4896d240dbd9cf9c
MD5 hash:
c5efc3195597584fdf69d6ed015128ec
SHA1 hash:
84138adf0345161006b147d9020431977b8eb751
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
38a1f1e8ee82fadbae89062ec9a37d84632fe5e6cd29e0cb6820e3d0f808f2e1
MD5 hash:
483491e738663bec525fab2ea8ef8bd0
SHA1 hash:
7153232a0064d8d1d67ef952d4d056efff11cc06
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 38a1f1e8ee82fadbae89062ec9a37d84632fe5e6cd29e0cb6820e3d0f808f2e1

(this sample)

  
Dropped by
Amadey
  
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_NXMissing Non-Executable Memory Protectioncritical

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