MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26. 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: 5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26
SHA3-384 hash: fc1305138d7f0626639968f26c86eba5ddda3f782ba26f7ce96a9d9d95f9a2946d36b4f0d4fff2677b2e6e191f951b73
SHA1 hash: bd3bd73b7fa13549695b7c522fa0549a34d29c84
MD5 hash: 0fcabb02e9c168593cc61b64c0f6c5bd
humanhash: blossom-fifteen-four-florida
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'479'104 bytes
First seen:2024-07-08 06:19:24 UTC
Last seen:2024-07-08 09:25:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:GHXu21cjgUrly0RC8ktX9MnONR0DRrJOWBpSJtQqUHgsRREJq/WvRgNK2o9z:YXP9wE08ttX3z0xmt6HgsRRE0/WvRgs2
TLSH T19FB533B1974738DAD1D99BFE8A4029F3B307B28CD064D342987E5E1386D1883955E3B7
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 :
7
# of downloads :
385
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26.exe
Verdict:
Malicious activity
Analysis date:
2024-07-08 06:21:20 UTC
Tags:
stealer stealc antivm
Link:
https://app.any.run/tasks/f822e4e3-f2b1-44fa-a5bc-eafce9b5ddbf

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:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668b85143bd942ce8f6def3fwin7simulatehigh_evasion
Tags:
Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt 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/668b851560a2a7247a488d73/reports/56e009f6-7c8f-45dd-bafb-e7c92fe51909/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26
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/96ef9fd5-4ec6-4526-9a20-9a3c216266e2
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/1468899
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
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 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
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: 1468899 Sample: file.exe Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 103 youtube-ui.l.google.com 2->103 105 www.youtube.com 2->105 107 24 other IPs or domains 2->107 137 Snort IDS alert for network traffic 2->137 139 Found malware configuration 2->139 141 Antivirus detection for URL or domain 2->141 143 13 other signatures 2->143 12 file.exe 36 2->12         started        17 explorti.exe 2->17         started        19 explorti.exe 2->19         started        21 7 other processes 2->21 signatures3 process4 dnsIp5 127 85.28.47.30, 49730, 49745, 49860 GES-ASRU Russian Federation 12->127 129 77.91.77.81, 49737, 49744, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 12->129 89 C:\Users\user\AppData\...\IEHCBAFIDA.exe, PE32 12->89 dropped 91 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->91 dropped 93 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->93 dropped 99 11 other files (none is malicious) 12->99 dropped 167 Detected unpacking (changes PE section rights) 12->167 169 Tries to steal Mail credentials (via file / registry access) 12->169 171 Found many strings related to Crypto-Wallets (likely being stolen) 12->171 183 4 other signatures 12->183 23 cmd.exe 1 12->23         started        25 cmd.exe 2 12->25         started        173 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->173 175 Hides threads from debuggers 17->175 177 Tries to detect sandboxes / dynamic malware analysis system (registry check) 17->177 179 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 19->179 95 topTraffic_1705401...0506234197983529371, data 21->95 dropped 97 C:\Users\user\AppData\Local\...\topTraffic, ASCII 21->97 dropped 181 Maps a DLL or memory area into another process 21->181 27 firefox.exe 21->27         started        31 msedge.exe 21->31         started        33 msedge.exe 21->33         started        35 7 other processes 21->35 file6 signatures7 process8 dnsIp9 37 IEHCBAFIDA.exe 4 23->37         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        115 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49789, 49796, 49893 GOOGLEUS United States 27->115 117 telemetry-incoming.r53-2.services.mozilla.com 34.120.208.123, 443, 49942, 49943 GOOGLEUS United States 27->117 123 7 other IPs or domains 27->123 85 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 27->85 dropped 87 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 27->87 dropped 45 firefox.exe 27->45         started        47 firefox.exe 27->47         started        119 13.107.21.200 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->119 121 13.107.246.40, 443, 49818, 49819 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->121 125 17 other IPs or domains 31->125 file10 process11 file12 83 C:\Users\user\AppData\Local\...\explorti.exe, PE32 37->83 dropped 153 Detected unpacking (changes PE section rights) 37->153 155 Tries to evade debugger and weak emulator (self modifying code) 37->155 157 Tries to detect virtualization through RDTSC time measurements 37->157 159 3 other signatures 37->159 49 explorti.exe 19 37->49         started        signatures13 process14 dnsIp15 101 77.91.77.82, 49743, 49746, 49749 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 49->101 79 C:\Users\user\AppData\...\88eebc21e3.exe, PE32 49->79 dropped 81 C:\Users\user\AppData\Local\...\random[1].exe, PE32 49->81 dropped 145 Detected unpacking (changes PE section rights) 49->145 147 Tries to detect sandboxes and other dynamic analysis tools (window names) 49->147 149 Tries to evade debugger and weak emulator (self modifying code) 49->149 151 3 other signatures 49->151 54 88eebc21e3.exe 12 49->54         started        57 cmd.exe 1 49->57         started        file16 signatures17 process18 signatures19 161 Multi AV Scanner detection for dropped file 54->161 163 Detected unpacking (changes PE section rights) 54->163 165 Hides threads from debuggers 54->165 59 WerFault.exe 54->59         started        61 chrome.exe 57->61         started        64 msedge.exe 57->64         started        66 conhost.exe 57->66         started        68 firefox.exe 57->68         started        process20 dnsIp21 131 192.168.2.4, 443, 49723, 49724 unknown unknown 61->131 133 192.168.2.6 unknown unknown 61->133 135 239.255.255.250 unknown Reserved 61->135 70 chrome.exe 61->70         started        73 chrome.exe 61->73         started        75 chrome.exe 61->75         started        77 msedge.exe 64->77         started        process22 dnsIp23 109 www.google.com 142.250.186.68, 443, 49857 GOOGLEUS United States 70->109 111 www3.l.google.com 142.250.186.78, 443, 49837 GOOGLEUS United States 70->111 113 5 other IPs or domains 70->113
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-07-08 06:20:07 UTC
File Type:
PE (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgdk6igfvi5rgt4f7qeldwrohbi7mrf3tr5yo5bxowm6irg3zqta._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:nice discovery spyware stealer
Link:
https://tria.ge/reports/240708-g3rhlawfjk/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Reads data files stored by FTP clients
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3027e2c2-b982-4ebb-8d26-6dff6af9b166
Unpacked files
SH256 hash:
5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26
MD5 hash:
0fcabb02e9c168593cc61b64c0f6c5bd
SHA1 hash:
bd3bd73b7fa13549695b7c522fa0549a34d29c84
Link:
https://www.unpac.me/results/00692dfe-edf2-468c-9a27-b30e9abc2b7e/
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/5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

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 5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/
  
URLhaus
https://urlhaus.abuse.ch/url/2941921/
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/

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