MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6
SHA3-384 hash: a38c66981ba0c97dc00a5ffc8296ffb56c95f59b3c209b52f0dfaf9d9ee809ae7f8e767579223e09e54ec82b02939810
SHA1 hash: 222c4fdea41b569389fa64ff718b5f9944b5faea
MD5 hash: ded0eb089d3679972dcf011246f04abc
humanhash: solar-four-bravo-vermont
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'818'624 bytes
First seen:2024-11-26 00:39:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:JBrwfBXRRCbJKfQhKTaWfCMQK+KQVUiUnn1SzH3N0Rg1xg5IW6NC3+0wbj2sJ43t:JGpjCd1hqaWh+ei8n1K+Rg7Kl+00SF
TLSH T16885333664C36338C94F62B5AC9FD16EEC74589C07E80E13C61D1BE5092367BAB86778
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)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
411
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-26 00:40:45 UTC
Tags:
lumma themida loader stealer stealc amadey botnet
Link:
https://app.any.run/tasks/215ba485-dcaa-4752-8148-f565b9e66b90

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.1864.50.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674518e6d0583382434b1e8f
Tags:
vmdetect autorun autoit lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/674518e4b17aef1a9e2302ef/reports/ccea5e67-328e-452e-8251-315ab453f2d4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6dc6875d-1816-4987-98f1-a75c14bb7d19
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1562781
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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 sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
PE file contains section with special chars
Suricata IDS alerts 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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1562781 Sample: file.exe Startdate: 26/11/2024 Architecture: WINDOWS Score: 100 87 Suricata IDS alerts for network traffic 2->87 89 Found malware configuration 2->89 91 Antivirus detection for URL or domain 2->91 93 9 other signatures 2->93 8 file.exe 43 2->8         started        13 skotes.exe 2->13         started        15 skotes.exe 2->15         started        17 msedge.exe 115 471 2->17         started        process3 dnsIp4 61 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 8->61 63 185.215.113.206, 49715, 49778, 49813 WHOLESALECONNECTIONSNL Portugal 8->63 65 127.0.0.1 unknown unknown 8->65 51 C:\Users\user\DocumentsJEBKKEGDBF.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->53 dropped 55 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->55 dropped 59 11 other files (none is malicious) 8->59 dropped 105 Detected unpacking (changes PE section rights) 8->105 107 Attempt to bypass Chrome Application-Bound Encryption 8->107 109 Drops PE files to the document folder of the user 8->109 119 9 other signatures 8->119 19 cmd.exe 8->19         started        21 msedge.exe 2 10 8->21         started        24 chrome.exe 8->24         started        67 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->67 69 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 13->69 57 C:\Users\user\AppData\...\aa08c11115.exe, PE32 13->57 dropped 111 Hides threads from debuggers 13->111 113 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->113 115 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->115 117 Maps a DLL or memory area into another process 17->117 27 msedge.exe 17->27         started        29 identity_helper.exe 17->29         started        31 identity_helper.exe 17->31         started        33 3 other processes 17->33 file5 signatures6 process7 dnsIp8 35 DocumentsJEBKKEGDBF.exe 19->35         started        39 conhost.exe 19->39         started        103 Monitors registry run keys for changes 21->103 41 msedge.exe 21->41         started        71 192.168.2.6, 443, 49707, 49712 unknown unknown 24->71 73 239.255.255.250 unknown Reserved 24->73 43 chrome.exe 24->43         started        75 sb.scorecardresearch.com 18.165.220.57, 443, 49852 MIT-GATEWAYSUS United States 27->75 77 13.107.246.40, 443, 49882, 49883 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 27->77 79 26 other IPs or domains 27->79 signatures9 process10 dnsIp11 49 C:\Users\user\AppData\Local\...\skotes.exe, PE32 35->49 dropped 95 Detected unpacking (changes PE section rights) 35->95 97 Tries to evade debugger and weak emulator (self modifying code) 35->97 99 Tries to detect virtualization through RDTSC time measurements 35->99 101 3 other signatures 35->101 46 skotes.exe 35->46         started        81 www.google.com 142.250.181.100, 443, 49742, 49745 GOOGLEUS United States 43->81 83 plus.l.google.com 172.217.17.78, 443, 49783 GOOGLEUS United States 43->83 85 apis.google.com 43->85 file12 signatures13 process14 signatures15 121 Detected unpacking (changes PE section rights) 46->121 123 Tries to detect sandboxes and other dynamic analysis tools (window names) 46->123 125 Tries to evade debugger and weak emulator (self modifying code) 46->125 127 3 other signatures 46->127
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6/
Threat name:
Win32.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2024-11-26 00:40:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shat4yqa65axiviwgr5zbloiwxpkbrb7bmawh5qdkvybiksrkp3a._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:cryptbot family:povertystealer family:stealc botnet:9c9aa5 botnet:mars credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/241126-az7l3svley/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
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
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
CryptBot
Cryptbot family
Detect Poverty Stealer Payload
Detects CryptBot payload
Modifies Windows Defender Real-time Protection settings
Poverty Stealer
Povertystealer family
Stealc
Stealc family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
Verdict:
Suspicious
Tags:
Stealc Stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/045c83a9-04bf-421f-a839-31a55707da6d
Unpacked files
SH256 hash:
0bc3d3460f11a968492c8276c9988ebf96bcfe2dc4194ddc34a97298f0f4b17f
MD5 hash:
105084702acf37034a443712c02ffca8
SHA1 hash:
1eab2a9391f211f239a6fee0dceb83875b25f134
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/e6b21ba2-94a0-45f5-b47b-9f7958de3c24/
SH256 hash:
91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6
MD5 hash:
ded0eb089d3679972dcf011246f04abc
SHA1 hash:
222c4fdea41b569389fa64ff718b5f9944b5faea
Link:
https://www.unpac.me/results/e6b21ba2-94a0-45f5-b47b-9f7958de3c24/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91c13e6200f7/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/91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 91c13e6200f741745516347b90adc8b5dea0c43f0b0163f6035570142a5153f6

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

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

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