MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7. 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: 15


Intelligence 15 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7
SHA3-384 hash: 446df6d09aecbad2599155fbf28218b233b59a3a1b951cd8374408cfaee98298876e5165fb3ee4a45b5e473a39491573
SHA1 hash: a8beb826cf6692072400134343044846deeb81ea
MD5 hash: 677fd746b6e6c0b111f9b4377edfadbc
humanhash: green-salami-carbon-pluto
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:694'272 bytes
First seen:2024-07-20 03:35:08 UTC
Last seen:2024-07-20 14:05:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4d7bc3fdef18bca35b7253afc196af9 (11 x Stealc)
ssdeep 12288:CV1/qg1o7YNQB1F85ZwKd89BcFE/kJGi1qdDNnSr3/35ellbLd1X2weFx8:Cb/qg2wQ3yEvOHJudDNnQ3v0lgwG
TLSH T175E423FE92279E38C2347AB12400819DC36D7EE856887B3596DF9B961F504CD9B83D83
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
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 :
19
# of downloads :
372
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.EnigmaProtector-12
Create hunting rule

PUA.Win.Packer.EnigmaProtector-5
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Win.Trojan.Scar-6903585-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669b30a42f6eaff4b90eef72
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
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:
anti-vm enigma lolbin microsoft_visual_cc obfuscated packed packed shell32
Link:
https://www.filescan.io/uploads/669b30a33d7227f93794dda3/reports/358af1cd-ab14-472f-aa85-ed62938885b9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7
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/ddae2492-ab7d-4ba0-aa8a-673fb8fba32e
Result
Threat name:
Amadey, Babadeda, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477132
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
Contains functionality to detect sleep reduction / modifications
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
Maps a DLL or memory area into another process
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477132 Sample: file.exe Startdate: 20/07/2024 Architecture: WINDOWS Score: 100 130 youtube-ui.l.google.com 2->130 132 www.youtube.com 2->132 134 24 other IPs or domains 2->134 152 Snort IDS alert for network traffic 2->152 154 Found malware configuration 2->154 156 Antivirus / Scanner detection for submitted sample 2->156 158 14 other signatures 2->158 11 file.exe 1 40 2->11         started        16 explorti.exe 2->16         started        18 firefox.exe 2->18         started        20 3 other processes 2->20 signatures3 process4 dnsIp5 146 85.28.47.31, 49710, 80 GES-ASRU Russian Federation 11->146 148 77.91.77.81, 49713, 49866, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->148 100 C:\Users\user\DocumentsJKKECBGIII.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 114 13 other files (9 malicious) 11->114 dropped 180 Detected unpacking (changes PE section rights) 11->180 182 Drops PE files to the document folder of the user 11->182 184 Tries to steal Mail credentials (via file / registry access) 11->184 198 8 other signatures 11->198 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, 49865, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->150 106 C:\Users\user\AppData\...\f5c1fa781c.exe, PE32 16->106 dropped 108 C:\Users\user\AppData\...\fdcdf5cdec.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 186 Creates multiple autostart registry keys 16->186 188 Hides threads from debuggers 16->188 190 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->190 192 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->192 28 fdcdf5cdec.exe 16->28         started        31 f5c1fa781c.exe 16->31         started        33 firefox.exe 18->33         started        116 3 other malicious files 20->116 dropped 194 Binary is likely a compiled AutoIt script file 20->194 196 Maps a DLL or memory area into another process 20->196 37 msedge.exe 20->37         started        39 msedge.exe 20->39         started        41 6 other processes 20->41 file6 signatures7 process8 dnsIp9 43 userFIEGCBKEGC.exe 4 22->43         started        47 conhost.exe 22->47         started        49 DocumentsJKKECBGIII.exe 8 24->49         started        51 conhost.exe 24->51         started        59 2 other processes 26->59 160 Multi AV Scanner detection for dropped file 28->160 162 Detected unpacking (changes PE section rights) 28->162 164 Contains functionality to detect sleep reduction / modifications 28->164 166 Binary is likely a compiled AutoIt script file 31->166 53 firefox.exe 31->53         started        118 172.217.16.206, 443, 49827, 49829 GOOGLEUS United States 33->118 120 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49773, 49819, 49841 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        57 pingsender.exe 33->57         started        61 4 other processes 33->61 122 13.107.246.40, 443, 49776, 49777 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 37->122 124 20.96.153.111, 443, 49764, 49766 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 37->124 128 16 other IPs or domains 37->128 96 C:\Users\user\AppData\Local\...\Cookies, SQLite 37->96 dropped file10 signatures11 process12 file13 98 C:\Users\user\AppData\Local\...\explorti.exe, PE32 43->98 dropped 168 Antivirus detection for dropped file 43->168 170 Detected unpacking (changes PE section rights) 43->170 172 Machine Learning detection for dropped file 43->172 178 5 other signatures 43->178 63 explorti.exe 43->63         started        174 Detected unpacking (overwrites its own PE header) 49->174 66 cmd.exe 1 49->66         started        176 Tries to harvest and steal browser information (history, passwords, etc) 55->176 68 conhost.exe 55->68         started        70 conhost.exe 57->70         started        72 conhost.exe 61->72         started        signatures14 process15 signatures16 200 Detected unpacking (changes PE section rights) 63->200 202 Tries to detect sandboxes and other dynamic analysis tools (window names) 63->202 204 Tries to evade debugger and weak emulator (self modifying code) 63->204 206 3 other signatures 63->206 74 chrome.exe 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 142 192.168.2.6, 443, 49706, 49710 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 play.google.com 142.250.184.238, 443, 49807, 49809 GOOGLEUS United States 83->136 138 youtube-ui.l.google.com 142.250.185.78, 443, 49717, 49736 GOOGLEUS United States 83->138 140 4 other IPs or domains 83->140
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-07-20 03:36:05 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utsrzyhsxsyblhhie3tiggnjhb3gaqdlszlsprdt2zqdujqv3ktq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:default stealer
Link:
https://tria.ge/reports/240720-d5w93sxhre/
Behaviour
Suspicious use of SetWindowsHookEx
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/40296b1e-017b-4f3f-a8bb-b5105e456bce
Unpacked files
SH256 hash:
a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7
MD5 hash:
677fd746b6e6c0b111f9b4377edfadbc
SHA1 hash:
a8beb826cf6692072400134343044846deeb81ea
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/25aeb317-22d7-4369-acc2-6453b1f63d0b/
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/a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7

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:EnigmaProtector1XSukhovVladimirSergeNMarkin
Create hunting rule
Author:malware-lu
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:vmdetect
Create hunting rule
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 a4e51ce0f2bcb0159ce826e68319a9387660406b965727c473d6603a2615daa7

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/3050871/

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
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