MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4bbdadeb876d22140beabe77e143cd74871461c0823f9f9ba79b41106386d26. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments
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SHA256 hash: b4bbdadeb876d22140beabe77e143cd74871461c0823f9f9ba79b41106386d26
SHA3-384 hash: e197355cf3e11e82a9a19ffbad2b82ea9d8f104b32139b2eb11cd2adb1447178d4dbacddc35b85872f42bb3826712da6
SHA1 hash: 8d4cef22bfb5b09f64973515fa4af8756e47cdc9
MD5 hash: 6a851b7e10b8a5b6772ba6f75fdd575d
humanhash: early-diet-fix-beer
File name:6a851b7e10b8a5b6772ba6f75fdd575d
Download: download sample
Signature StealeriumStealer
Create hunting rule
File size:3'572'832 bytes
First seen:2022-12-17 08:16:34 UTC
Last seen:2022-12-17 09:40:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 98304:J7K6F7F6xVR0wqDBLvFMIARB9Zv1pJ55dUaZG4NvGrYY47Xa1dP5N+:9nF7e0QIK3H5P/NraT5c
TLSH T160F52353A773DF70CB58643B86A736210FEE6FD201B7FA0D361872086E75A858941B8D
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter fr0s7_
Tags:exe signed StealeriumStealer

Code Signing Certificate

Organisation:Trading Bot
Issuer:Trading Bot
Algorithm:sha1WithRSAEncryption
Valid from:2022-11-05T15:01:54Z
Valid to:2032-11-06T15:01:54Z
Serial number: 1492795458fe1d904a6816ed76dec162
Thumbprint Algorithm:SHA256
Thumbprint: c658fc121725d15ebb8e0ef5c77e01d5363e2da7c82bbd79eff25c79864fce0a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a851b7e10b8a5b6772ba6f75fdd575d
Verdict:
Malicious activity
Analysis date:
2022-12-17 08:21:10 UTC
Tags:
evasion stealerium stealer
Link:
https://app.any.run/tasks/77181e04-939d-4e13-8fdc-742df5ac6360

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuilClipper
Create hunting rule
Link:
https://www.capesandbox.com/analysis/347259/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64288481.32081.15456.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Searching for analyzing tools
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Gathering data
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6904204f-7137-4cf5-9f54-e3ce9a1e3e1a
Result
Threat name:
Stealerium
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1136507
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 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 Stealerium
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 769233 Sample: 7p3QH37WJT.exe Startdate: 18/12/2022 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Sigma detected: Capture Wi-Fi password 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 11 other signatures 2->71 8 7p3QH37WJT.exe 6 2->8         started        11 sfxsv32.exe 2->11         started        13 sfxsv32.exe 2->13         started        15 2 other processes 2->15 process3 file4 53 C:\Users\user\AppData\Local\...\Jmeqdpft.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\Hmrnvboyk.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\...\7p3QH37WJT.exe.log, CSV 8->57 dropped 17 Hmrnvboyk.exe 15 90 8->17         started        21 Jmeqdpft.exe 1 8->21         started        process5 dnsIp6 59 ip-api.com 208.95.112.1, 49700, 80 TUT-ASUS United States 17->59 61 icanhazip.com 104.18.115.97, 49702, 80 CLOUDFLARENETUS United States 17->61 63 2 other IPs or domains 17->63 73 Multi AV Scanner detection for dropped file 17->73 75 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->75 77 May check the online IP address of the machine 17->77 83 8 other signatures 17->83 24 cmd.exe 17->24         started        27 cmd.exe 17->27         started        29 WerFault.exe 17->29         started        51 C:\Users\user\AppData\...\sfxsv32.exe (copy), PE32 21->51 dropped 79 Antivirus detection for dropped file 21->79 81 Binary is likely a compiled AutoIt script file 21->81 31 cmd.exe 1 21->31         started        file7 signatures8 process9 signatures10 33 conhost.exe 24->33         started        35 chcp.com 24->35         started        37 netsh.exe 24->37         started        39 findstr.exe 24->39         started        49 3 other processes 27->49 85 Uses netsh to modify the Windows network and firewall settings 31->85 87 Tries to harvest and steal WLAN passwords 31->87 41 conhost.exe 31->41         started        43 icacls.exe 1 31->43         started        45 icacls.exe 1 31->45         started        47 icacls.exe 1 31->47         started        process11
Gathering data
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Create hunting rule
Status:
Malicious
First seen:
2022-12-15 09:33:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
17 of 26 (65.38%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ws55vxvyo3jccqf6vptx4fb425ehcrq4bar7t6n2pg2bcbrynuta._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
bootkit collection discovery evasion persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/221217-j6pjhsgd52/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
AutoIT Executable
Accesses Microsoft Outlook profiles
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Writes to the Master Boot Record (MBR)
Identifies Wine through registry keys
Modifies file permissions
Reads user/profile data of web browsers
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
UPX packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
9593be5ae17470b33bfc469a6536fad488f118dc48e4fa4798fcf75851f13ce0
MD5 hash:
36cdf99f5282d5ebffbef58ed48c1d09
SHA1 hash:
cc24211d790692112541f541574ae65ed507fa3d
Link:
https://www.unpac.me/results/414b6b53-3f10-4c5a-8e25-43deffcf54d1/
SH256 hash:
86ffd39f8c53924a25935a4e1667487c2a63c7c8313e4d4f6bb13a9ac742db3b
MD5 hash:
021ec3cc05e073e136aa1d19e199b77c
SHA1 hash:
f386c2997fd05878ee3bb9638550deed6e2cf296
Link:
https://www.unpac.me/results/414b6b53-3f10-4c5a-8e25-43deffcf54d1/
SH256 hash:
61c5300be2bfb6b05fd636dcb8626a0fb72ec8bed76308295528df1772a9063e
MD5 hash:
034f82e6bea09a335aada1dd04a7b595
SHA1 hash:
b0b8ff4a58cda182be9477f9cd46467220bb8cc7
Link:
https://www.unpac.me/results/414b6b53-3f10-4c5a-8e25-43deffcf54d1/
SH256 hash:
b4bbdadeb876d22140beabe77e143cd74871461c0823f9f9ba79b41106386d26
MD5 hash:
6a851b7e10b8a5b6772ba6f75fdd575d
SHA1 hash:
8d4cef22bfb5b09f64973515fa4af8756e47cdc9
Link:
https://www.unpac.me/results/414b6b53-3f10-4c5a-8e25-43deffcf54d1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/b4bbdadeb876d22140beabe77e143cd74871461c0823f9f9ba79b41106386d26

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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_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_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. 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_References_VPN
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:MALWARE_Win_UnamedStealer
Create hunting rule
Author:ditekSHen
Description:Detects unknown infostealer. Observed as 2nd stage and injects into .NET AppLaunch.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
X
https://twitter.com/h2jazi/status/1603764022679150593
Cape
Cape
https://www.capesandbox.com/analysis/347259/

Comments