MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956. 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 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956
SHA3-384 hash: 25c96ede76cfd105d8102578d3cddd4dcb1113054e656b3e37527496cdf111f7076851e0a6320f3e286fb901b4e8473f
SHA1 hash: 45cf8b4bb1c0cc4574afd465ec72a3713e1c3bd2
MD5 hash: 9b4af135ae2007b22966e4cffdc9d72e
humanhash: fish-uranus-spaghetti-maine
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'451'968 bytes
First seen:2024-07-06 23:45:33 UTC
Last seen:2024-07-07 00:17:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:yW/QzJOCQjn4VSWJXylv1LS9A4Il6XHy0IshJnz6VgIcNM:yW//P4VSWJYv1LS9PC0Is/mD
TLSH T11BB53306AE68D4CDC5ED19B4BF98021601621FDF8F5309A6C933BF7D89BA9A180D527C
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 :
4
# of downloads :
523
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956.exe
Verdict:
Malicious activity
Analysis date:
2024-07-06 23:47:06 UTC
Tags:
stealc stealer antivm loader amadey botnet
Link:
https://app.any.run/tasks/97409030-3c78-43a7-85d4-4dd269899535

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6689d8c63b2ddaaafa49ba1fwin10vpnfull_triage
Tags:
Execution Generic 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
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc packed packed shell32
Link:
https://www.filescan.io/uploads/6689d73b21581a9281a1d1ac/reports/6c5d7f6b-3e8e-4608-b0ff-95ab503d6454/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956
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:
Malicious
Link:
https://analyze.intezer.com/analyses/230732ab-0072-4d7b-ae85-543583054a91
Result
Threat name:
Amadey, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1468610
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)
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 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
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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468610 Sample: file.exe Startdate: 07/07/2024 Architecture: WINDOWS Score: 100 71 play.google.com 2->71 91 Snort IDS alert for network traffic 2->91 93 Multi AV Scanner detection for domain / URL 2->93 95 Found malware configuration 2->95 97 16 other signatures 2->97 12 file.exe 36 2->12         started        17 explorti.exe 2->17         started        19 explorti.exe 2->19         started        21 2 other processes 2->21 signatures3 process4 dnsIp5 83 85.28.47.30, 49730, 49747, 80 GES-ASRU Russian Federation 12->83 85 77.91.77.81, 49737, 49744, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 12->85 63 C:\Users\user\AppData\...\CBKFIECBGD.exe, PE32 12->63 dropped 65 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->65 dropped 67 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->67 dropped 69 11 other files (7 malicious) 12->69 dropped 123 Detected unpacking (changes PE section rights) 12->123 125 Tries to steal Mail credentials (via file / registry access) 12->125 127 Found many strings related to Crypto-Wallets (likely being stolen) 12->127 135 4 other signatures 12->135 23 cmd.exe 1 12->23         started        25 cmd.exe 2 12->25         started        129 Hides threads from debuggers 17->129 131 Tries to detect sandboxes / dynamic malware analysis system (registry check) 17->131 133 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 17->133 file6 signatures7 process8 process9 27 CBKFIECBGD.exe 4 23->27         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        file10 61 C:\Users\user\AppData\Local\...\explorti.exe, PE32 27->61 dropped 115 Antivirus detection for dropped file 27->115 117 Detected unpacking (changes PE section rights) 27->117 119 Machine Learning detection for dropped file 27->119 121 5 other signatures 27->121 35 explorti.exe 19 27->35         started        signatures11 process12 dnsIp13 79 77.91.77.82, 49743, 49746, 49749 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 35->79 81 play.google.com 35->81 57 C:\Users\user\AppData\...\c01a839831.exe, PE32 35->57 dropped 59 C:\Users\user\AppData\Local\...\random[1].exe, PE32 35->59 dropped 99 Antivirus detection for dropped file 35->99 101 Detected unpacking (changes PE section rights) 35->101 103 Tries to detect sandboxes and other dynamic analysis tools (window names) 35->103 105 6 other signatures 35->105 40 c01a839831.exe 12 35->40         started        43 cmd.exe 13 35->43         started        file14 signatures15 process16 signatures17 107 Antivirus detection for dropped file 40->107 109 Multi AV Scanner detection for dropped file 40->109 111 Detected unpacking (changes PE section rights) 40->111 113 2 other signatures 40->113 45 chrome.exe 1 43->45         started        48 conhost.exe 43->48         started        process18 dnsIp19 87 192.168.2.4, 443, 49723, 49724 unknown unknown 45->87 89 239.255.255.250 unknown Reserved 45->89 50 chrome.exe 45->50         started        53 chrome.exe 45->53         started        55 chrome.exe 45->55         started        process20 dnsIp21 73 www3.l.google.com 142.250.181.238, 443, 49780 GOOGLEUS United States 50->73 75 142.250.185.164 GOOGLEUS United States 50->75 77 9 other IPs or domains 50->77
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-07-06 23:12:34 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=flmu6fr6kbknn45uruole62jx3lxtnxgiakay5sqki26f6gtffla._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:nice discovery evasion spyware stealer trojan
Link:
https://tria.ge/reports/240706-3r92fsxgjk/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
http://77.91.77.82
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/abd57b22-2e6d-40eb-bc3d-d7efba4356dd
Unpacked files
SH256 hash:
2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956
MD5 hash:
9b4af135ae2007b22966e4cffdc9d72e
SHA1 hash:
45cf8b4bb1c0cc4574afd465ec72a3713e1c3bd2
Link:
https://www.unpac.me/results/fad54b88-d6f9-41df-8348-67853ef72189/
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/2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956

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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Stealc

Executable exe 2ad94f163e5054d6f3b48d1cb27b49bed779b6e640140c76505235e2f8d32956

(this sample)

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

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