MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b. 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


StealeriumStealer


Vendor detections: 16


Intelligence 16 IOCs YARA 22 File information Comments
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SHA256 hash: c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b
SHA3-384 hash: e8357e517e662a9bad6283b58571fe57ec312dc66616aa8ca54827b2667a494e0a81ddb94836d8e7ee6269ba335a9da9
SHA1 hash: 72312f4f8e4a536f1b29ff18750ca74277562dd9
MD5 hash: 5d6c5c6f78cb98c218b33b304fb70cf3
humanhash: ink-butter-music-equal
File name:buildnew.exe
Download: download sample
Signature StealeriumStealer
Create hunting rule
File size:7'383'552 bytes
First seen:2025-06-13 12:17:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 196608:Pm3uV25DeTD+oqzukSIlLtIY79n8SI75bWAXAkuujCPX9YG9he5GnQCAJKNt:CA403qakSoR7tfI7ZtXADu8X9Y95GQLJ
TLSH T1EC76334077EC0619F5BF6B78A87162118E36B513E53ADB8D098C219C0E72B82ED61F77
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter juroots
Tags:exe StealeriumStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
437
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
buildnew.exe
Verdict:
Malicious activity
Analysis date:
2025-06-13 12:29:38 UTC
Tags:
telegram evasion stealer crypto-regex stealerium ims-api generic exfiltration qrcode
Link:
https://app.any.run/tasks/c340ecf8-f000-4207-ac80-86d92c1a2318

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Stealerium
Create hunting rule
Link:
https://www.capesandbox.com/analysis/9350/
Detection(s):
Sanesecurity.Malware.28895.BadIN.UNOFFICIAL
Create hunting rule

Win.Packed.Msilzilla-10005488-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684c170c8bd5d68a12e87757
Tags:
infosteal vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Running batch commands
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm base64 cmd evasive findstr fingerprint hacktool lolbin netsh obfuscated packed packed packer_detected reconnaissance stealer telegram zero
Link:
https://www.filescan.io/uploads/684c171f171e01f9593fb549/reports/bd37589f-690b-4881-aa42-8ce2b422217b/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b
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:
Stealerium Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd236c1b-4054-4ba3-9158-13da7b90d629
Result
Threat name:
Phantom stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714078
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Attempt to bypass Chrome Application-Bound Encryption
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Drops password protected ZIP file
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Capture Wi-Fi password
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected Phantom stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714078 Sample: buildnew.exe Startdate: 13/06/2025 Architecture: WINDOWS Score: 100 62 api.telegram.org 2->62 64 icanhazip.com 2->64 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Malicious sample detected (through community Yara rule) 2->98 102 14 other signatures 2->102 8 buildnew.exe 14 174 2->8         started        13 msedge.exe 2->13         started        15 msiexec.exe 2->15         started        signatures3 100 Uses the Telegram API (likely for C&C communication) 62->100 process4 dnsIp5 74 api.telegram.org 149.154.167.220, 443, 49687, 49767 TELEGRAMRU United Kingdom 8->74 76 icanhazip.com 104.16.184.241, 49710, 49764, 49773 CLOUDFLARENETUS United States 8->76 78 127.0.0.1 unknown unknown 8->78 54 C:\Users\user\AppData\...\YPSIACHYXW.docx, ASCII 8->54 dropped 56 C:\Users\user\AppData\...\WUTJSCBCFX.xlsx, ASCII 8->56 dropped 58 C:\Users\user\AppData\...\UOOJJOZIRH.png, ASCII 8->58 dropped 60 3 other malicious files 8->60 dropped 104 Attempt to bypass Chrome Application-Bound Encryption 8->104 106 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->106 108 Tries to steal Mail credentials (via file / registry access) 8->108 112 5 other signatures 8->112 17 cmd.exe 1 8->17         started        20 chrome.exe 1 8->20         started        23 cmd.exe 8->23         started        31 2 other processes 8->31 80 192.168.2.7 unknown unknown 13->80 82 239.255.255.250 unknown Reserved 13->82 110 Maps a DLL or memory area into another process 13->110 25 msedge.exe 13->25         started        27 msedge.exe 13->27         started        29 msedge.exe 13->29         started        33 3 other processes 13->33 file6 signatures7 process8 dnsIp9 90 Uses netsh to modify the Windows network and firewall settings 17->90 92 Tries to harvest and steal WLAN passwords 17->92 35 netsh.exe 2 17->35         started        37 conhost.exe 17->37         started        39 findstr.exe 1 17->39         started        41 chcp.com 1 17->41         started        66 192.168.2.6, 138, 443, 49344 unknown unknown 20->66 43 chrome.exe 20->43         started        50 4 other processes 23->50 68 sb.scorecardresearch.com 18.164.116.39, 443, 49740 MIT-GATEWAYSUS United States 25->68 70 s-part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49730, 49768 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->70 72 33 other IPs or domains 25->72 46 netsh.exe 2 31->46         started        48 conhost.exe 31->48         started        52 2 other processes 31->52 signatures10 process11 dnsIp12 84 play.google.com 142.250.65.206, 443, 49716, 49720 GOOGLEUS United States 43->84 86 www.google.com 142.250.80.100, 443, 49695, 49696 GOOGLEUS United States 43->86 88 3 other IPs or domains 43->88
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b/
Threat name:
ByteCode-MSIL.Infostealer.Browsstl
Create hunting rule
Status:
Malicious
First seen:
2025-06-13 12:18:16 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
21
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6tao24eaab675jkypizwbg6sgxdf7zsqotuzlz6z3i2665ghavq._file
Result
Malware family:
stealerium
Create hunting rule
Score:
  10/10
Tags:
family:stealerium collection credential_access discovery persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/250613-pgvbcsvpz3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Uses browser remote debugging
Stealerium
Stealerium family
Malware Config
C2 Extraction:
https://api.telegram.org/bot6010484967:AAGUU_cft6XZ4N2pmy1ytJPAy6zohAT2eak/sendMessage?chat_id=
Verdict:
Malicious
Tags:
stealer stealerium Win.Packed.Msilzilla-10005488-0
YARA:
MALWARE_Win_Multi_Family_Infostealer MALWARE_Win_Stealerium
Link:
https://app.threat.zone/submission/fc2161f6-7b1b-46de-9e1c-9ff6df78c8cd
Unpacked files
SH256 hash:
c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b
MD5 hash:
5d6c5c6f78cb98c218b33b304fb70cf3
SHA1 hash:
72312f4f8e4a536f1b29ff18750ca74277562dd9
Link:
https://www.unpac.me/results/cd2b4425-74ce-494b-a257-b19c7e294da1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c7a6076b8400/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/c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:growtopia
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked growtopia stealer malware samples.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM names
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxUserNames
Create hunting rule
Author:ditekSHen
Description:Detects executables containing possible sandbox analysis VM usernames
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:Macos_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
Rule name:MALWARE_Win_Multi_Family_InfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects Prynt, WorldWind, DarkEye, Stealerium and ToxicEye / TelegramRAT infostealers
Rule name:MALWARE_Win_Stealerium
Create hunting rule
Author:ditekSHen
Description:Detects Stealerium infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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)

File information

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

Web download

StealeriumStealer

Executable exe c7a6076b840003eff52ac3d19b04de91ae32ff3283a74caf3eced1af7ba6382b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/9350/
  
URLhaus
https://urlhaus.abuse.ch/url/3561850/
  
Delivery method
Distributed via web download

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 (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

Comments