MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2241928b2f066bf8f616cc5bd213a5815cede24c95db54142ec0773740d3f5a9. 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: 18


Intelligence 18 IOCs 1 YARA 3 File information Comments

SHA256 hash: 2241928b2f066bf8f616cc5bd213a5815cede24c95db54142ec0773740d3f5a9
SHA3-384 hash: 02a43d66e7e4c6b7422db9690cacfa755317333904641c9bad48b3fe32bac790076f33235e0de83b8d6ceb08891e8b5a
SHA1 hash: 2796f987d55fbcb77709ecdce7959e2db6101bec
MD5 hash: d8d8ebb02fe5c2147db8864c801580bf
humanhash: saturn-montana-bakerloo-idaho
File name:file
Download: download sample
Signature Stealc
File size:1'140'736 bytes
First seen:2024-07-19 16:54:20 UTC
Last seen:2024-07-19 19:01:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 24576:a7kqB/4dN1CY852QEnmrJ9LtyiRsK+NbJikind6/IuM1H:oGLCYKEsLty2+iVd6/IuU
TLSH T15E353393A6EDFBBCE8DA7DF165D04E43B27599425AE183C8190A4D8FCC930B42E6C185
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

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://85.28.47.31/5499d72b3a3e55be.php https://threatfox.abuse.ch/ioc/1302452/

Intelligence


File Origin
# of uploads :
15
# of downloads :
357
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
https://trendyscreenofficial.com/wp-content/driect/district235489v4.rar
Verdict:
Malicious activity
Analysis date:
2024-07-19 17:11:35 UTC
Tags:
evasion privateloader discord loader risepro stealer stealc telegram vidar metastealer themida redline tofsee botnet adware neoreklami

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
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)
Detected unpacking (overwrites its own PE header)
Drops PE files to the document folder of the user
Drops PE files to the user root directory
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 dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Self deletion via cmd or bat file
Sigma detected: New RUN Key Pointing to Suspicious Folder
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: 1476939 Sample: file.exe Startdate: 19/07/2024 Architecture: WINDOWS Score: 100 130 youtube-ui.l.google.com 2->130 132 www.youtube.com 2->132 134 26 other IPs or domains 2->134 156 Found malware configuration 2->156 158 Antivirus / Scanner detection for submitted sample 2->158 160 Multi AV Scanner detection for dropped file 2->160 162 12 other signatures 2->162 11 file.exe 39 2->11         started        16 explorti.exe 2->16         started        18 firefox.exe 1 2->18         started        20 4 other processes 2->20 signatures3 process4 dnsIp5 146 85.28.47.31, 49704, 62139, 80 GES-ASRU Russian Federation 11->146 148 77.91.77.81, 49705, 62136, 62140 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->148 100 C:\Users\user\DocumentsEBKEHJJDAA.exe, PE32 11->100 dropped 102 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->102 dropped 104 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->104 dropped 116 13 other files (9 malicious) 11->116 dropped 184 Detected unpacking (changes PE section rights) 11->184 186 Drops PE files to the document folder of the user 11->186 188 Tries to steal Mail credentials (via file / registry access) 11->188 200 7 other signatures 11->200 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        26 cmd.exe 1 11->26         started        150 77.91.77.82, 62134, 62138, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->150 152 prod.detectportal.prod.cloudops.mozgcp.net 16->152 154 detectportal.firefox.com 16->154 106 C:\Users\user\AppData\...\492a72e99f.exe, PE32 16->106 dropped 108 C:\Users\user\AppData\...\fbb0febcea.exe, PE32 16->108 dropped 110 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->110 dropped 112 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->112 dropped 190 Creates multiple autostart registry keys 16->190 192 Hides threads from debuggers 16->192 194 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->194 196 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->196 28 fbb0febcea.exe 16->28         started        31 492a72e99f.exe 16->31         started        33 firefox.exe 18->33         started        114 C:\Users\user\AppData\Local\...\History, SQLite 20->114 dropped 198 Binary is likely a compiled AutoIt script file 20->198 37 firefox.exe 20->37         started        39 msedge.exe 20->39         started        41 2 other processes 20->41 file6 signatures7 process8 dnsIp9 43 userGHIDGDHCGC.exe 4 22->43         started        47 conhost.exe 22->47         started        49 DocumentsEBKEHJJDAA.exe 8 24->49         started        51 conhost.exe 24->51         started        57 2 other processes 26->57 164 Multi AV Scanner detection for dropped file 28->164 166 Detected unpacking (changes PE section rights) 28->166 168 Hides threads from debuggers 28->168 170 Binary is likely a compiled AutoIt script file 31->170 53 firefox.exe 31->53         started        118 142.250.181.238, 443, 62065, 62071 GOOGLEUS United States 33->118 120 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 62072, 62092, 62106 GOOGLEUS United States 33->120 126 9 other IPs or domains 33->126 92 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 33->92 dropped 94 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 33->94 dropped 55 pingsender.exe 33->55         started        59 5 other processes 33->59 61 2 other processes 37->61 122 13.107.246.40, 443, 62055, 62061 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 39->122 124 20.75.60.91, 443, 62039 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 39->124 128 12 other IPs or domains 39->128 96 C:\Users\user\AppData\Local\...\Cookies, SQLite 39->96 dropped file10 signatures11 process12 file13 98 C:\Users\user\AppData\Local\...\explorti.exe, PE32 43->98 dropped 172 Antivirus detection for dropped file 43->172 174 Detected unpacking (changes PE section rights) 43->174 176 Machine Learning detection for dropped file 43->176 182 5 other signatures 43->182 63 explorti.exe 43->63         started        178 Detected unpacking (overwrites its own PE header) 49->178 66 cmd.exe 1 49->66         started        180 Tries to harvest and steal browser information (history, passwords, etc) 55->180 68 conhost.exe 55->68         started        70 conhost.exe 59->70         started        72 conhost.exe 59->72         started        signatures14 process15 signatures16 202 Detected unpacking (changes PE section rights) 63->202 204 Tries to detect sandboxes and other dynamic analysis tools (window names) 63->204 206 Tries to evade debugger and weak emulator (self modifying code) 63->206 208 3 other signatures 63->208 74 chrome.exe 8 66->74         started        77 msedge.exe 10 66->77         started        79 conhost.exe 66->79         started        81 firefox.exe 1 66->81         started        process17 dnsIp18 142 192.168.2.5, 443, 49703, 49704 unknown unknown 74->142 144 239.255.255.250 unknown Reserved 74->144 83 chrome.exe 74->83         started        86 chrome.exe 74->86         started        88 chrome.exe 74->88         started        90 msedge.exe 77->90         started        process19 dnsIp20 136 www3.l.google.com 142.250.184.238, 443, 62074 GOOGLEUS United States 83->136 138 youtube-ui.l.google.com 142.250.186.110, 443, 49714 GOOGLEUS United States 83->138 140 4 other IPs or domains 83->140
Threat name:
Win32.Trojan.Stealc
Status:
Malicious
First seen:
2024-07-19 16:55:08 UTC
File Type:
PE (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default stealer
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of NtSetInformationThreadHideFromDebugger
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Unpacked files
SH256 hash:
2241928b2f066bf8f616cc5bd213a5815cede24c95db54142ec0773740d3f5a9
MD5 hash:
d8d8ebb02fe5c2147db8864c801580bf
SHA1 hash:
2796f987d55fbcb77709ecdce7959e2db6101bec
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 2241928b2f066bf8f616cc5bd213a5815cede24c95db54142ec0773740d3f5a9

(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