MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158. 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 20 File information Comments
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SHA256 hash: 3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158
SHA3-384 hash: 008ae24ca33e89831299f2949abcf3319b388a8f99f7bc6511849357793c5d59f8fae478553a76b742bf6be9e1d4020e
SHA1 hash: 39d6cf486e4f292605f8cf0f6a19097e59462d6f
MD5 hash: 0176388641637593938f5278b326a494
humanhash: juliet-double-emma-football
File name:build22.exe
Download: download sample
Signature StealeriumStealer
Create hunting rule
File size:7'383'552 bytes
First seen:2025-03-18 12:35:04 UTC
Last seen:2025-03-19 13:08:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 196608:XMbuV25DeTD+oqzukSIlLtIY79n8SI75bWAXAkuujCPX9YG9he5GnQCAJKNc:AA403qakSoR7tfI7ZtXADu8X9Y95GQLJ
TLSH T1B076334067EC0619F5BF6F78A87162118E36B513E43ADB8D198C219C0E72B82ED61F77
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 KatzenTech
Tags:176-65-144-3 exe StealeriumStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
398
Origin country :
RU RU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
build22.exe
Verdict:
Malicious activity
Analysis date:
2025-03-18 12:44:17 UTC
Tags:
telegram evasion stealer ims-api generic stealerium crypto-regex
Link:
https://app.any.run/tasks/c6ac0aff-2cd3-4bfd-9845-a833dd6a28f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d96a9e194f23322a70bd03
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
Creating a file in the Windows subdirectories
Creating a process with a hidden window
Stealing user critical data
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd evasive findstr fingerprint hacktool lolbin netsh obfuscated packed packed packer_detected reconnaissance stealer
Link:
https://www.filescan.io/uploads/67d968890a7899f3579bcbf6/reports/d08ae13a-df1e-41d8-85ea-fbead7196781/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158
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/9eedbb55-4432-4eb1-8b29-5244241d1917
Result
Threat name:
Stealerium
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1641761
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)
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 Stealerium
Yara detected Telegram RAT
Yara detected Telegram Recon
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1641761 Sample: build22.exe Startdate: 18/03/2025 Architecture: WINDOWS Score: 100 62 api.telegram.org 2->62 64 64.89.4.0.in-addr.arpa 2->64 66 2 other IPs or domains 2->66 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 build22.exe 14 173 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 76 api.telegram.org 149.154.167.220, 443, 49683, 49772 TELEGRAMRU United Kingdom 8->76 78 104.16.184.241, 49771, 49814, 80 CLOUDFLARENETUS United States 8->78 82 2 other IPs or domains 8->82 54 C:\Users\user\AppData\...\SFPUSAFIOL.png, ASCII 8->54 dropped 56 C:\Users\user\AppData\...\PIVFAGEAAV.png, ASCII 8->56 dropped 58 C:\Users\user\AppData\...58EBFQQYWPS.jpg, ASCII 8->58 dropped 60 C:\Users\user\AppData\...\CURQNKVOIX.pdf, ASCII 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->108 110 5 other signatures 8->110 17 cmd.exe 1 8->17         started        20 chrome.exe 1 8->20         started        23 cmd.exe 8->23         started        33 2 other processes 8->33 80 239.255.255.250 unknown Reserved 13->80 25 msedge.exe 13->25         started        27 msedge.exe 13->27         started        29 msedge.exe 13->29         started        31 msedge.exe 13->31         started        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        68 192.168.2.9, 138, 443, 49221 unknown unknown 20->68 43 chrome.exe 20->43         started        50 4 other processes 23->50 70 c-msn-pme.trafficmanager.net 13.74.129.1, 443, 49730 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->70 72 ax-0003.ax-msedge.net 150.171.27.12, 443, 49734 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->72 74 35 other IPs or domains 25->74 46 netsh.exe 2 33->46         started        48 conhost.exe 33->48         started        52 2 other processes 33->52 signatures10 process11 dnsIp12 84 www.google.com 142.250.185.196, 443, 49688, 49689 GOOGLEUS United States 43->84 86 plus.l.google.com 142.250.186.78, 443, 49713 GOOGLEUS United States 43->86 88 2 other IPs or domains 43->88
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-03-18 12:35:17 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hrrkjiyjdtipbki5uhusx6ems3qnux4b3ufugt73l62vssesqfma._file
Verdict:
malicious
Label(s):
stealerium
Create hunting rule
Similar samples:
error
StealeriumStealer
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/250318-psep2ssybt/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
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/bot1616004787:AAH60oNqVa82nffKp0gB2yn5A_jmiTy0_XY/sendMessage?chat_id=
Verdict:
Malicious
Tags:
stealer stealerium Win.Packed.Msilzilla-10005488-0 external_ip_lookup
YARA:
MALWARE_Win_Multi_Family_Infostealer MALWARE_Win_Stealerium
Link:
https://app.threat.zone/submission/483d1faa-e158-4dd3-a841-303a9ce2d2ba
Unpacked files
SH256 hash:
3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158
MD5 hash:
0176388641637593938f5278b326a494
SHA1 hash:
39d6cf486e4f292605f8cf0f6a19097e59462d6f
Link:
https://www.unpac.me/results/677fd81f-3050-4f98-8f71-91f434a3cda0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c62a4a3091c/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/3c62a4a3091cd0f0a91da1e92bf88c96e0da5f81dd0b434ffb5fb55948928158

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: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_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.

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

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