MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15e918d1df17402cac720b75c85e81587d15ef620e89b639ad71085ce77ca8c8. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 15e918d1df17402cac720b75c85e81587d15ef620e89b639ad71085ce77ca8c8
SHA3-384 hash: 6497f9d6577ef706f92d3296d1dd2854b593d22a685d42dbd1f0de577ea2c06f5278651fdcbcc2554f1bbda501d91fed
SHA1 hash: 34c16e4540dfcca9f84497a8d8914b830f7d3c27
MD5 hash: 77dfe19b8675d6b07dddaabb0b9d6ffe
humanhash: monkey-violet-victor-kitten
File name:file
Download: download sample
Signature Stealc
File size:1'141'760 bytes
First seen:2024-07-22 05:20:35 UTC
Last seen:2024-07-22 11:03:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 24576:x6Dzd05DeCQYG/uv2m7bg4fBOqItgze9Q+gs95159Ruv0P9/eUu:x2z6U4G/up/VfE3C+hAv0F
TLSH T177353387C77DA8FEC5F606F4CBC03D82DCC81C9C991C0B1921AD66856635F22D98F99A
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 :
22
# of downloads :
294
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
archive-200724-01_07_10.zip
Verdict:
Malicious activity
Analysis date:
2024-07-22 08:21:04 UTC
Tags:
evasion privateloader loader risepro stealer stealc telegram vidar redline metastealer enigma antivm themida tofsee

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:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc obfuscated packed packed shell32
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, Babadeda, 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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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 Babadeda
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477932 Sample: file.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 88 www3.l.google.com 2->88 90 sni1gl.wpc.nucdn.net 2->90 92 7 other IPs or domains 2->92 114 Snort IDS alert for network traffic 2->114 116 Multi AV Scanner detection for domain / URL 2->116 118 Found malware configuration 2->118 120 15 other signatures 2->120 11 file.exe 38 2->11         started        16 explorti.exe 2->16         started        18 msedge.exe 2->18         started        20 firefox.exe 1 2->20         started        signatures3 process4 dnsIp5 110 85.28.47.31, 49741, 80 GES-ASRU Russian Federation 11->110 112 77.91.77.81, 49742, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->112 72 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->72 dropped 74 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->74 dropped 76 C:\Users\user\AppData\...\mozglue[1].dll, PE32 11->76 dropped 82 13 other files (9 malicious) 11->82 dropped 142 Detected unpacking (changes PE section rights) 11->142 144 Tries to steal Mail credentials (via file / registry access) 11->144 146 Found many strings related to Crypto-Wallets (likely being stolen) 11->146 156 4 other signatures 11->156 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        148 Hides threads from debuggers 16->148 150 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->150 152 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->152 78 topTraffic_1705401...0506234197983529371, data 18->78 dropped 80 C:\Users\user\AppData\Local\...\topTraffic, ASCII 18->80 dropped 154 Maps a DLL or memory area into another process 18->154 26 msedge.exe 18->26         started        29 msedge.exe 18->29         started        31 msedge.exe 18->31         started        35 2 other processes 18->35 33 firefox.exe 3 51 20->33         started        file6 signatures7 process8 dnsIp9 37 userCGIDGCGIEG.exe 4 22->37         started        41 conhost.exe 22->41         started        43 userCGCFCFBKFC.exe 8 24->43         started        45 conhost.exe 24->45         started        98 13.107.246.40, 443, 49805, 49806 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->98 100 20.96.153.111, 443, 49786 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->100 108 12 other IPs or domains 26->108 102 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49813, 49820, 80 GOOGLEUS United States 33->102 104 prod.classify-client.prod.webservices.mozgcp.net 35.190.72.216, 443, 49793 GOOGLEUS United States 33->104 106 127.0.0.1 unknown unknown 33->106 47 firefox.exe 33->47         started        49 firefox.exe 33->49         started        process10 file11 70 C:\Users\user\AppData\Local\...\explorti.exe, PE32 37->70 dropped 130 Antivirus detection for dropped file 37->130 132 Detected unpacking (changes PE section rights) 37->132 134 Machine Learning detection for dropped file 37->134 140 6 other signatures 37->140 51 explorti.exe 37->51         started        136 Multi AV Scanner detection for dropped file 43->136 138 Detected unpacking (overwrites its own PE header) 43->138 54 cmd.exe 1 43->54         started        signatures12 process13 signatures14 122 Detected unpacking (changes PE section rights) 51->122 124 Tries to detect sandboxes and other dynamic analysis tools (window names) 51->124 126 Tries to evade debugger and weak emulator (self modifying code) 51->126 128 4 other signatures 51->128 56 chrome.exe 54->56         started        59 msedge.exe 16 54->59         started        61 conhost.exe 54->61         started        63 firefox.exe 1 54->63         started        process15 dnsIp16 94 192.168.2.4, 138, 443, 49161 unknown unknown 56->94 96 239.255.255.250 unknown Reserved 56->96 65 chrome.exe 56->65         started        68 msedge.exe 59->68         started        process17 dnsIp18 84 youtube-ui.l.google.com 142.250.186.142, 443, 49746 GOOGLEUS United States 65->84 86 www.youtube.com 65->86
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-07-22 05:21:08 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:sila stealer
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of NtSetInformationThreadHideFromDebugger
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Unpacked files
SH256 hash:
15e918d1df17402cac720b75c85e81587d15ef620e89b639ad71085ce77ca8c8
MD5 hash:
77dfe19b8675d6b07dddaabb0b9d6ffe
SHA1 hash:
34c16e4540dfcca9f84497a8d8914b830f7d3c27
Detections:
SUSP_XORed_URL_In_EXE
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


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

Web download

Stealc

Executable exe 15e918d1df17402cac720b75c85e81587d15ef620e89b639ad71085ce77ca8c8

(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
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