MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851
SHA3-384 hash: 8494155953cf929d27db39a2a1f36bbd3ee05de630004e12ac6eb9870d51f752cb298244f92cfbb2e35a07436619142b
SHA1 hash: 206188a617378901c7cc8a1045846c5c5170eb63
MD5 hash: 5c7ff49de036381730348329bc5bc465
humanhash: montana-sad-snake-hawaii
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'141'760 bytes
First seen:2024-07-22 01:08:18 UTC
Last seen:2024-07-22 04:42:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 24576:IiMaTshEaA6WoEliUCPqTnZsvJF4jzhyXPBihpKzZyCQY32bMh:hMkJ9EEoknZsvIXhyXrzZyY32b
TLSH T11135335C9E79A657C78E17705A0B18BBF4626BC3D382DAF201173606A303D95F82E36D
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 :
19
# of downloads :
339
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Malware.Zusy-10033606-0
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669db12fb302ab76f44834ae
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin microsoft_visual_cc obfuscated packed packed shell32
Link:
https://www.filescan.io/uploads/669db12fb030ea95279c1c7d/reports/bd625143-797a-4d83-835d-e76557a750e5/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851
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:
Spark
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e75102ac-ea61-472a-8087-9b9b6dc351af
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/1477877
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
PE file has nameless sections
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
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)
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
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: 1477877 Sample: file.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 129 www.youtube.com 2->129 131 www.wikipedia.org 2->131 133 35 other IPs or domains 2->133 159 Snort IDS alert for network traffic 2->159 161 Found malware configuration 2->161 163 Antivirus detection for URL or domain 2->163 165 18 other signatures 2->165 11 file.exe 39 2->11         started        16 explorti.exe 2->16         started        18 firefox.exe 1 2->18         started        20 4 other processes 2->20 signatures3 process4 dnsIp5 141 85.28.47.31, 49704, 49810, 80 GES-ASRU Russian Federation 11->141 143 77.91.77.81, 49712, 49808, 49812 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 11->143 97 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->97 dropped 99 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->99 dropped 101 C:\Users\user\AppData\...\mozglue[1].dll, PE32 11->101 dropped 109 13 other files (9 malicious) 11->109 dropped 187 Detected unpacking (changes PE section rights) 11->187 189 Tries to steal Mail credentials (via file / registry access) 11->189 191 Found many strings related to Crypto-Wallets (likely being stolen) 11->191 201 4 other signatures 11->201 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        145 77.91.77.82, 49806, 49811, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 16->145 103 C:\Users\user\AppData\...\47dda5b36d.exe, PE32 16->103 dropped 105 C:\Users\user\AppData\...\ae846cb3fe.exe, PE32 16->105 dropped 107 C:\Users\user\AppData\Local\...\random[1].exe, PE32 16->107 dropped 111 2 other malicious files 16->111 dropped 193 Hides threads from debuggers 16->193 195 Injects a PE file into a foreign processes 16->195 197 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->197 199 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->199 26 ae846cb3fe.exe 16->26         started        29 47dda5b36d.exe 16->29         started        31 explorti.exe 16->31         started        33 firefox.exe 3 162 18->33         started        113 3 other malicious files 20->113 dropped 37 msedge.exe 20->37         started        39 firefox.exe 20->39         started        41 5 other processes 20->41 file6 signatures7 process8 dnsIp9 43 userAKKEGHJDHD.exe 4 22->43         started        47 conhost.exe 22->47         started        49 userFCGCGDHJEG.exe 8 24->49         started        51 conhost.exe 24->51         started        167 Multi AV Scanner detection for dropped file 26->167 169 Detected unpacking (changes PE section rights) 26->169 171 Hides threads from debuggers 26->171 173 Binary is likely a compiled AutoIt script file 29->173 53 firefox.exe 29->53         started        115 services.addons.mozilla.org 18.66.102.29 MIT-GATEWAYSUS United States 33->115 123 5 other IPs or domains 33->123 89 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 33->89 dropped 91 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 33->91 dropped 55 pingsender.exe 33->55         started        58 pingsender.exe 33->58         started        60 pingsender.exe 33->60         started        62 2 other processes 33->62 117 www.youtube.com 37->117 119 bzib.nelreports.net 37->119 125 17 other IPs or domains 37->125 93 C:\Users\user\AppData\Local\...\Cookies, SQLite 37->93 dropped 121 142.250.185.110 GOOGLEUS United States 39->121 127 3 other IPs or domains 39->127 file10 signatures11 process12 dnsIp13 95 C:\Users\user\AppData\Local\...\explorti.exe, PE32 43->95 dropped 175 Antivirus detection for dropped file 43->175 177 Detected unpacking (changes PE section rights) 43->177 179 Machine Learning detection for dropped file 43->179 185 5 other signatures 43->185 64 explorti.exe 43->64         started        181 Detected unpacking (overwrites its own PE header) 49->181 67 cmd.exe 1 49->67         started        139 telemetry-incoming.r53-2.services.mozilla.com 34.120.208.123 GOOGLEUS United States 55->139 183 Tries to harvest and steal browser information (history, passwords, etc) 55->183 69 conhost.exe 55->69         started        71 conhost.exe 58->71         started        73 conhost.exe 60->73         started        file14 signatures15 process16 signatures17 151 Detected unpacking (changes PE section rights) 64->151 153 Tries to detect sandboxes and other dynamic analysis tools (window names) 64->153 155 Tries to evade debugger and weak emulator (self modifying code) 64->155 157 3 other signatures 64->157 75 chrome.exe 8 67->75         started        78 msedge.exe 10 67->78         started        80 conhost.exe 67->80         started        82 firefox.exe 1 67->82         started        process18 dnsIp19 147 192.168.2.5, 443, 49703, 49704 unknown unknown 75->147 149 239.255.255.250 unknown Reserved 75->149 84 chrome.exe 75->84         started        87 msedge.exe 78->87         started        process20 dnsIp21 135 www.youtube.com 84->135 137 youtube-ui.l.google.com 216.58.212.142, 443, 49717 GOOGLEUS United States 84->137
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-07-22 01:09:06 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=twcl3ccsrjes6usxftvbujujzddkessrsux67ynltoigulnvlbiq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:sila stealer
Link:
https://tria.ge/reports/240722-bhsl9swgjk/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of NtSetInformationThreadHideFromDebugger
Stealc
Malware Config
C2 Extraction:
http://85.28.47.31
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dfa3d927-af14-4b65-9883-9672bd3f52b3
Unpacked files
SH256 hash:
9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851
MD5 hash:
5c7ff49de036381730348329bc5bc465
SHA1 hash:
206188a617378901c7cc8a1045846c5c5170eb63
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/8e203dd5-2e09-49cd-86ad-6249110e6d25/
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/9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851

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)
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

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

Web download

Stealc

Executable exe 9d84bd88528a492f52572cea1a2689c8c6a24a51952fefe1ab9b906a2db55851

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2909131/
  
URLhaus
https://urlhaus.abuse.ch/url/3058171/
  
URLhaus
https://urlhaus.abuse.ch/url/2908698/
  
URLhaus
https://urlhaus.abuse.ch/url/2909129/

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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