MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d
SHA3-384 hash: 07c686612357cf16ad275e7668c61b1396a800958b5d476f3ae2b5088aa9561afc46f447a92242108a2dbe40dbcef889
SHA1 hash: 934cd43ff8bd35e77d7df2cbc3aa5d96b672e4bf
MD5 hash: 45fd30020c12378c242dc90687edc24c
humanhash: high-west-papa-potato
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:250'880 bytes
First seen:2024-07-26 18:07:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 74a4a02fbd9b245d3cfc1091756049ca (1 x Stealc)
ssdeep 3072:QLCWSJzpVnjAyfwr2lY+EKv8QKH/se+lhjWDgKe2yhKVtFRX3vPTZY:PjJzbTg22wKHke+WDGyd3v
Threatray 73 similar samples on MalwareBazaar
TLSH T12234BF6136A0DC31E5D3563489B4C2F2192EBD929A7495CF3B583BFF1E712809A67323
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1a72c2da98585c2c (9 x Stealc, 4 x Smoke Loader, 3 x Tofsee)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/stealc/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
340
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d.exe
Verdict:
Malicious activity
Analysis date:
2024-07-27 17:38:55 UTC
Tags:
stealc stealer loader amadey botnet themida
Link:
https://app.any.run/tasks/fd868f38-58ea-48ed-a3dc-ac62ad4f43f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a3e61afb0026d1138a9f7a
Tags:
Execution Infostealer Network Stealth Trojan Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66a3e6038f66298c01f3e542/reports/d6209802-3e01-45f0-a86d-eab528269a3c/overview
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94caa49b-a36b-4d98-b363-00408210e123
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/1483195
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
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)
Found evasive API chain (may stop execution after checking locale)
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
Malicious sample detected (through community Yara rule)
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Suspicious File Creation In Uncommon AppData 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1483195 Sample: file.exe Startdate: 26/07/2024 Architecture: WINDOWS Score: 100 129 www.youtube.com 2->129 131 www.wikipedia.org 2->131 133 63 other IPs or domains 2->133 147 Found malware configuration 2->147 149 Malicious sample detected (through community Yara rule) 2->149 151 Antivirus detection for URL or domain 2->151 153 13 other signatures 2->153 10 file.exe 39 2->10         started        15 explorti.exe 2->15         started        17 explorti.exe 2->17         started        19 5 other processes 2->19 signatures3 process4 dnsIp5 135 85.28.47.31, 49704, 80 GES-ASRU Russian Federation 10->135 137 185.215.113.16, 49705, 80 WHOLESALECONNECTIONSNL Portugal 10->137 95 C:\Users\user\AppData\RoamingIJDGCAEBFI.exe, PE32 10->95 dropped 97 C:\Users\user\AppData\RoamingCBFCFBFBFB.exe, PE32 10->97 dropped 99 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->99 dropped 111 15 other files (11 malicious) 10->111 dropped 167 Detected unpacking (changes PE section rights) 10->167 169 Detected unpacking (overwrites its own PE header) 10->169 171 Tries to steal Mail credentials (via file / registry access) 10->171 183 6 other signatures 10->183 21 cmd.exe 1 10->21         started        23 cmd.exe 1 10->23         started        25 WerFault.exe 19 16 10->25         started        139 185.215.113.19 WHOLESALECONNECTIONSNL Portugal 15->139 101 C:\Users\user\AppData\...\48f0ec6733.exe, PE32 15->101 dropped 103 C:\Users\user\AppData\Local\...\random[1].exe, PE32 15->103 dropped 105 C:\Users\user\AppData\Local\...\random[1].exe, PE32 15->105 dropped 107 C:\Users\user\1000003002\ee7a49fbf0.exe, PE32 15->107 dropped 173 Creates multiple autostart registry keys 15->173 175 Hides threads from debuggers 15->175 177 Tries to detect sandboxes / dynamic malware analysis system (registry check) 15->177 28 ee7a49fbf0.exe 15->28         started        31 48f0ec6733.exe 15->31         started        179 Tries to evade debugger and weak emulator (self modifying code) 17->179 181 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 17->181 109 C:\Users\user\AppData\Local\...\History, SQLite 19->109 dropped 33 firefox.exe 19->33         started        36 msedge.exe 19->36         started        38 msedge.exe 19->38         started        40 3 other processes 19->40 file6 signatures7 process8 dnsIp9 42 RoamingCBFCFBFBFB.exe 4 21->42         started        46 conhost.exe 21->46         started        48 RoamingIJDGCAEBFI.exe 4 23->48         started        50 conhost.exe 23->50         started        79 C:\ProgramData\Microsoft\...\Report.wer, Unicode 25->79 dropped 185 Detected unpacking (overwrites its own PE header) 28->185 187 Machine Learning detection for dropped file 28->187 52 cmd.exe 28->52         started        189 Detected unpacking (changes PE section rights) 31->189 54 WerFault.exe 31->54         started        113 services.addons.mozilla.org 18.65.39.112 MIT-GATEWAYSUS United States 33->113 115 142.250.181.238 GOOGLEUS United States 33->115 121 18 other IPs or domains 33->121 81 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 33->81 dropped 83 C:\Users\user\AppData\...\places.sqlite, SQLite 33->83 dropped 85 C:\Users\user\AppData\...\cookies.sqlite-wal, SQLite 33->85 dropped 87 C:\Users\user\AppData\...\cookies.sqlite, SQLite 33->87 dropped 56 firefox.exe 33->56         started        58 firefox.exe 33->58         started        117 www.youtube.com 36->117 119 clients2.googleusercontent.com 36->119 123 17 other IPs or domains 36->123 89 C:\Users\user\AppData\Local\...\Cookies, SQLite 36->89 dropped file10 signatures11 process12 file13 91 C:\Users\user\AppData\Local\...\axplong.exe, PE32 42->91 dropped 155 Detected unpacking (changes PE section rights) 42->155 157 Tries to evade debugger and weak emulator (self modifying code) 42->157 159 Tries to detect virtualization through RDTSC time measurements 42->159 60 axplong.exe 42->60         started        93 C:\Users\user\AppData\Local\...\explorti.exe, PE32 48->93 dropped 161 Hides threads from debuggers 48->161 163 Tries to detect sandboxes / dynamic malware analysis system (registry check) 48->163 165 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 48->165 63 explorti.exe 48->63         started        65 chrome.exe 52->65         started        68 msedge.exe 52->68         started        70 conhost.exe 52->70         started        72 firefox.exe 52->72         started        signatures14 process15 dnsIp16 191 Detected unpacking (changes PE section rights) 60->191 193 Tries to detect sandboxes and other dynamic analysis tools (window names) 60->193 195 Tries to evade debugger and weak emulator (self modifying code) 60->195 197 Hides threads from debuggers 63->197 199 Tries to detect sandboxes / dynamic malware analysis system (registry check) 63->199 201 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 63->201 125 192.168.2.5, 443, 49703, 49704 unknown unknown 65->125 127 239.255.255.250 unknown Reserved 65->127 74 chrome.exe 65->74         started        77 msedge.exe 68->77         started        signatures17 process18 dnsIp19 141 www.youtube.com 74->141 143 accounts.youtube.com 74->143 145 4 other IPs or domains 74->145
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-07-26 18:08:06 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6st5ipoezxzbzr5frl34my4gz2qwczsy6fnzszur7o4fu7fqnooq._file
Verdict:
malicious
Similar samples:
0625a0507bde5b530651696eb1148e6013d5d1040cbb4365865648e18c84f340
Stealc
10db0258fb84c3d7ee659a64eda64c552f234e7377adac19af9bb2fb117b120a
Stealc
164865d694e4965f098342edfd6aa0271ff757948813f74f7eb4138fcf596932
Stealc
390163b1882726bbb614ee93e59b727feae9dfec735d4813dca8caf709f65c48
Stealc
62f36af906726e02070ab674477b8836211c345201863ac8e3bd8f444eaf098a
Stealc
8d9b395911fbe2544b12f580e55d3096408be77d3e4ee7452404f74ae1e82a0a
Stealc
8e30088691e13e06713d21bc9c56c1e539eb42cb42ec9acb3de4b7243b796b12
Stealc
d264838d9f1199dc54fc71623623bfcca58f05dbbfe958424c2758bc655dfcaa
Stealc
dae56bc934663460f6cece9445ff4c10183f33054c67be434b5af40245ddce59
Stealc
+ 63 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:0657d1 botnet:fed3aa botnet:sila credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/240726-wqwdcavgpk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
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
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
http://185.215.113.16
http://185.215.113.19
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fc5817c6-48d5-4084-b363-9607aeace2d8
Unpacked files
SH256 hash:
3c2245fb7f3d374d8685a573a6cafbe79b5807f0f8cbd52f0cf4a203b785ab06
MD5 hash:
ca10bc5dbf009b6df405c2ccbdd22efb
SHA1 hash:
d1c8f25dac637ba857ec28a0ffcfafa73e23a622
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/1d4ff5fb-c2d2-4fa8-a742-a59bf3b4d7f4/
Parent samples :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 hash:
f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d
MD5 hash:
45fd30020c12378c242dc90687edc24c
SHA1 hash:
934cd43ff8bd35e77d7df2cbc3aa5d96b672e4bf
Link:
https://www.unpac.me/results/1d4ff5fb-c2d2-4fa8-a742-a59bf3b4d7f4/
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/f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe f4a7d43dc4cdf21cc7a58af7c66386cea1616658f15b996691fbb85a7cb06b9d

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3067417/
  
URLhaus
https://urlhaus.abuse.ch/url/3067696/
  
URLhaus
https://urlhaus.abuse.ch/url/3067432/
  
URLhaus
https://urlhaus.abuse.ch/url/3068410/

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::AssignProcessToJobObject
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::ReplaceFileW
KERNEL32.dll::GetSystemDirectoryA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments