MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1
SHA3-384 hash: 97846726b7e5cfd3640069d55197a019f68376e96e885b8f5206f6b4b574e1a554eb04f363c1882450e8e568d4fe10ba
SHA1 hash: 59d347d84af863e1184ebd06a967a5bec7b860fd
MD5 hash: 6a86015f6861255a686e50eba395b43f
humanhash: twenty-uranus-virginia-fillet
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:2'449'920 bytes
First seen:2024-07-07 06:01:41 UTC
Last seen:2024-07-07 09:02:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:aiYO25YHCsKjTI1Qjh9uX7zs+2X3LoHnVv9q4DWba5sCdHe:VYOmYQKQjuLV2en/vtZBe
TLSH T104B5337AD6DCA721EA276CBC18836E09863419CA1067FCBDB02FACAD43495D74633177
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 :
449
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1.exe
Verdict:
Malicious activity
Analysis date:
2024-07-07 06:03:39 UTC
Tags:
stealer stealc loader antivm amadey botnet themida
Link:
https://app.any.run/tasks/01c1b80d-1b3c-44b9-a073-646eea497a50

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=668a306014220722c976f576win10vpnfull_triage
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
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/668a4184b922f6f3343bbebf/reports/1e3ce2bc-a090-41f2-a8b7-94f1ae1272a7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1
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/78453e23-3a78-4ff3-8879-52b2d9a16fd2
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/1468648
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 sample
Maps a DLL or memory area into another process
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
Potentially malicious time measurement code found
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: 1468648 Sample: file.exe Startdate: 07/07/2024 Architecture: WINDOWS Score: 100 106 youtube-ui.l.google.com 2->106 108 www.youtube.com 2->108 110 26 other IPs or domains 2->110 132 Snort IDS alert for network traffic 2->132 134 Multi AV Scanner detection for domain / URL 2->134 136 Found malware configuration 2->136 138 14 other signatures 2->138 9 file.exe 37 2->9         started        14 explorti.exe 19 2->14         started        16 msedge.exe 2->16         started        18 firefox.exe 2->18         started        signatures3 process4 dnsIp5 112 85.28.47.30, 49710, 49723, 80 GES-ASRU Russian Federation 9->112 114 77.91.77.81, 49712, 49722, 49725 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 9->114 80 C:\Users\user\AppData\...CGDBFCBKF.exe, PE32 9->80 dropped 82 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->82 dropped 84 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 9->84 dropped 94 11 other files (none is malicious) 9->94 dropped 154 Detected unpacking (changes PE section rights) 9->154 156 Tries to steal Mail credentials (via file / registry access) 9->156 158 Found many strings related to Crypto-Wallets (likely being stolen) 9->158 168 5 other signatures 9->168 20 cmd.exe 1 9->20         started        22 cmd.exe 2 9->22         started        116 77.91.77.82, 49721, 49724, 49726 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 14->116 118 push.services.mozilla.com 14->118 86 C:\Users\user\AppData\...\426d733e82.exe, PE32 14->86 dropped 88 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->88 dropped 160 Tries to detect sandboxes and other dynamic analysis tools (window names) 14->160 162 Tries to evade debugger and weak emulator (self modifying code) 14->162 164 Tries to detect virtualization through RDTSC time measurements 14->164 170 2 other signatures 14->170 24 426d733e82.exe 12 14->24         started        27 cmd.exe 1 14->27         started        90 topTraffic_1705401...0506234197983529371, data 16->90 dropped 92 C:\Users\user\AppData\Local\...\topTraffic, ASCII 16->92 dropped 166 Maps a DLL or memory area into another process 16->166 29 msedge.exe 16->29         started        32 msedge.exe 16->32         started        34 msedge.exe 16->34         started        39 5 other processes 16->39 36 firefox.exe 18->36         started        file6 signatures7 process8 dnsIp9 41 ECGDBFCBKF.exe 4 20->41         started        45 conhost.exe 20->45         started        47 conhost.exe 22->47         started        140 Multi AV Scanner detection for dropped file 24->140 142 Detected unpacking (changes PE section rights) 24->142 144 Hides threads from debuggers 24->144 49 chrome.exe 27->49         started        52 msedge.exe 27->52         started        54 conhost.exe 27->54         started        56 firefox.exe 27->56         started        120 13.107.21.200 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->120 122 13.107.246.40, 443, 49786, 49796 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->122 128 21 other IPs or domains 29->128 124 142.250.184.238, 443, 49787, 49819 GOOGLEUS United States 36->124 126 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49820, 80 GOOGLEUS United States 36->126 130 9 other IPs or domains 36->130 74 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 36->74 dropped 76 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 36->76 dropped 58 firefox.exe 36->58         started        60 2 other processes 36->60 file10 signatures11 process12 dnsIp13 78 C:\Users\user\AppData\Local\...\explorti.exe, PE32 41->78 dropped 146 Detected unpacking (changes PE section rights) 41->146 148 Tries to evade debugger and weak emulator (self modifying code) 41->148 150 Tries to detect virtualization through RDTSC time measurements 41->150 152 4 other signatures 41->152 62 explorti.exe 41->62         started        96 192.168.2.6, 443, 49705, 49709 unknown unknown 49->96 98 239.255.255.250 unknown Reserved 49->98 65 chrome.exe 49->65         started        68 chrome.exe 49->68         started        70 chrome.exe 49->70         started        72 msedge.exe 52->72         started        file14 signatures15 process16 dnsIp17 172 Hides threads from debuggers 62->172 174 Tries to detect sandboxes / dynamic malware analysis system (registry check) 62->174 176 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 62->176 100 www.google.com 142.250.74.196, 443, 49752 GOOGLEUS United States 65->100 102 youtube-ui.l.google.com 172.217.16.206, 443, 49729 GOOGLEUS United States 65->102 104 5 other IPs or domains 65->104 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-07-07 06:02:06 UTC
File Type:
PE (Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yw6va7lapkcssln5e3u67b4sjvjfnahlbdvpjcpv3k5unik2rtqq._file
Verdict:
malicious
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/240707-grflysvhjn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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/e19331fe-e777-4c28-baa7-3cbaa71f111d
Unpacked files
SH256 hash:
c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1
MD5 hash:
6a86015f6861255a686e50eba395b43f
SHA1 hash:
59d347d84af863e1184ebd06a967a5bec7b860fd
Link:
https://www.unpac.me/results/54503b2b-9067-47e4-bd81-2fe3240de089/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5bd507d607a/report/overview.html
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/c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1

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 c5bd507d607a85292dbd26e9ef87924d525680eb08eaf489f5dabb46a15a8ce1

(this sample)

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

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