MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3. 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: 14


Intelligence 14 IOCs YARA 25 File information Comments
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SHA256 hash: ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3
SHA3-384 hash: b02ed35bf9fdbb1d3f68f100a56324a35b89565cf21fbaa170d15f15e80b2ee4fa1f593e190fbbd399e6fdb1d5fa57da
SHA1 hash: 2e6592df6a62f48930697cf25c9c6d5feca0f3d6
MD5 hash: 701b0b09f0351d5acbe56bfc95d66f56
humanhash: berlin-nineteen-rugby-seven
File name:info.exe
Download: download sample
Signature StealeriumStealer
Create hunting rule
File size:6'422'016 bytes
First seen:2025-06-13 12:18:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'820 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 196608:bZfuV25DeTD+oqzukSIlLtYWAXAkuujCPX9YG9he5GnQCAJKN:pA403qakSoRYtXADu8X9Y95GQLJ
TLSH T10856334067EC0659F67F6B74A87162118E36B513E43AEB4D099C209C0EB2B81FDA1F77
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter juroots
Tags:exe StealeriumStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
info.exe
Verdict:
Malicious activity
Analysis date:
2025-06-13 12:19:08 UTC
Tags:
stealer evasion stealerium crypto-regex smtp
Link:
https://app.any.run/tasks/6982d234-967d-473c-93fa-597a4c4e9dde

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/9352/
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=684c17558bd5d68a12e877e7
Tags:
infosteal vmdetect
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
Creating a file
Reading critical registry keys
Running batch commands
Creating a window
Launching a process
Launching the process to change network settings
Stealing user critical data
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3
Malware family:
Stealerium Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/49edeb63-0196-4261-85ca-74d8d712bd01
Result
Threat name:
Phantom stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714075
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
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
Yara detected Costura Assembly Loader
Yara detected Phantom stealer
Yara detected Telegram Recon
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714075 Sample: info.exe Startdate: 13/06/2025 Architecture: WINDOWS Score: 100 61 mail.algmimari.com 2->61 63 icanhazip.com 2->63 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 14 other signatures 2->93 8 info.exe 15 147 2->8         started        13 msedge.exe 67 637 2->13         started        15 msiexec.exe 2->15         started        signatures3 process4 dnsIp5 65 mail.algmimari.com 89.19.13.202, 49748, 587 CIZGITR Turkey 8->65 67 icanhazip.com 104.16.184.241, 49686, 49743, 49745 CLOUDFLARENETUS United States 8->67 69 127.0.0.1 unknown unknown 8->69 53 C:\Users\user\AppData\...\ZTGJILHXQB.docx, ASCII 8->53 dropped 55 C:\Users\user\AppData\...\ZQIXMVQGAH.jpg, ASCII 8->55 dropped 57 C:\Users\user\AppData\...\UOOJJOZIRH.xlsx, ASCII 8->57 dropped 59 3 other malicious files 8->59 dropped 95 Attempt to bypass Chrome Application-Bound Encryption 8->95 97 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->97 99 Tries to steal Mail credentials (via file / registry access) 8->99 101 5 other signatures 8->101 17 cmd.exe 1 8->17         started        20 cmd.exe 8->20         started        22 cmd.exe 1 8->22         started        24 msedge.exe 9 8->24         started        71 192.168.2.11 unknown unknown 13->71 73 192.168.2.7 unknown unknown 13->73 75 2 other IPs or domains 13->75 26 msedge.exe 13->26         started        29 msedge.exe 13->29         started        31 msedge.exe 13->31         started        33 msedge.exe 13->33         started        file6 signatures7 process8 dnsIp9 83 Uses netsh to modify the Windows network and firewall settings 17->83 85 Tries to harvest and steal WLAN passwords 17->85 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        51 4 other processes 20->51 43 netsh.exe 2 22->43         started        45 conhost.exe 22->45         started        47 chcp.com 1 22->47         started        49 msedge.exe 24->49         started        77 sb.scorecardresearch.com 18.173.219.113, 443, 49713 MIT-GATEWAYSUS United States 26->77 79 s-part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49692, 49699 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 26->79 81 33 other IPs or domains 26->81 signatures10 process11
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3/
Threat name:
ByteCode-MSIL.Infostealer.Browsstl
Create hunting rule
Status:
Malicious
First seen:
2025-06-11 16:42:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vr2akzht7rppzov7gy7wqndtx4ambxqbbfawpdogkd4ggyff7hzq._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-pgvxwsel5z/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
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 Location Discovery: System Language Discovery
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/bot7622063138:AAF_ZXWXU7NG9XTAke0rq4oOCsC1560U_FI/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/0f68bb06-fe67-4d37-9f7d-7b228f569544
Unpacked files
SH256 hash:
ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3
MD5 hash:
701b0b09f0351d5acbe56bfc95d66f56
SHA1 hash:
2e6592df6a62f48930697cf25c9c6d5feca0f3d6
Link:
https://www.unpac.me/results/542f6c74-5d38-4605-82dc-c1c007439305/
SH256 hash:
e1f6cbfea30adefa19c53d1d45abdb9bf64fc7863b3d7fe89921f5f399c3c9f4
MD5 hash:
20f957ef357c8483cc8e4bfeda519b50
SHA1 hash:
e59a53fc33fa0436e834a0f4020f87a84e104b65
Link:
https://www.unpac.me/results/542f6c74-5d38-4605-82dc-c1c007439305/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ac740564f3fc/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/ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3

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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 ac740564f3fc5efcbabf363f683473bf00c0de010941678dc650f86360a5f9f3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3561762/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/9352/

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