MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be. 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


AgentTesla


Vendor detections: 20


Intelligence 20 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
SHA3-384 hash: 063141e92cb61a077e5ea13061901d0a578d2df070465e69fe6f1438acb57aa1f2ea625f3f2f392e9f8621d7943e3034
SHA1 hash: 736de35693a723137a5237c379450b1201b0a0b2
MD5 hash: 2137e10273e08d4a7de9cc4b972e8a12
humanhash: georgia-equal-whiskey-dakota
File name:SecuriteInfo.com.Win32.MalwareX-gen.16545.12050
Download: download sample
Signature AgentTesla
Create hunting rule
File size:914'952 bytes
First seen:2024-09-02 08:32:39 UTC
Last seen:2024-09-06 10:29:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:c/BKYvI8ohK/opCle0WxdXZw55qpNdiTJqOxQschcj3+KkR:WOQosU0I7pyl5xnr+J
TLSH T18415F1562604E88BE824173219B3DEFD1B351EBFE9A0640B5AEEFD77B773107250181A
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 13607332330b0bb3 (55 x AgentTesla, 16 x RedLineStealer, 13 x MassLogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
388
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.16545.12050
Verdict:
Malicious activity
Analysis date:
2024-09-02 08:41:04 UTC
Tags:
stealer smtp exfiltration agenttesla
Link:
https://app.any.run/tasks/47099f5c-085d-4709-a2ec-0562aedd1955

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.16545.12050.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d57841ad7abf2db5cfd4a2
Tags:
Encryption Execution Infostealer Network Static Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Setting a keyboard event handler
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66d578428a851f90c65b519f/reports/0134ee31-c84f-4e59-b461-8d41091749c9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e19e3278-3352-4f8d-9930-0ef4106dfb34
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502815
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502815 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 02/09/2024 Architecture: WINDOWS Score: 100 26 zqamcx.com 2->26 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 9 other signatures 2->36 8 SecuriteInfo.com.Win32.MalwareX-gen.16545.12050.exe 4 2->8         started        signatures3 process4 file5 24 SecuriteInfo.com.W...16545.12050.exe.log, ASCII 8->24 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Adds a directory exclusion to Windows Defender 8->40 12 SecuriteInfo.com.Win32.MalwareX-gen.16545.12050.exe 2 8->12         started        16 powershell.exe 23 8->16         started        18 SecuriteInfo.com.Win32.MalwareX-gen.16545.12050.exe 8->18         started        signatures6 process7 dnsIp8 28 zqamcx.com 78.110.166.82, 49716, 49719, 587 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 12->28 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->42 44 Tries to steal Mail credentials (via file / registry access) 12->44 46 Tries to harvest and steal ftp login credentials 12->46 50 2 other signatures 12->50 48 Loading BitLocker PowerShell Module 16->48 20 WmiPrvSE.exe 16->20         started        22 conhost.exe 16->22         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-09-02 08:33:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xd5aryyqqvit4cvywdqnb54zdriphepjf52zhymwit76t6uie67a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla credential_access discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240902-kfvhhsxcqa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a00aed36-20c8-4f53-8754-5c27cff573cf
Unpacked files
SH256 hash:
6a117920a135a0ba5d68d3f2efdb316414908389c82e2d9a3652c0e8d8ed9b90
MD5 hash:
bcff05fde262570eaad21859991a4763
SHA1 hash:
f8a499a21b45fc28ac934ee756dfec848f5a293b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/ea0d895a-d905-43aa-8ada-433ff52eea31/
Parent samples :
d5b17abde741b6988e024a1094c0c7678bd57e101c209f8dcb06da1eaa4d8f83
e52c2bbc31d96a46c4e735a71ed57b3d6b7a644c9132eddfb1cdc3c996570c98
9bafddfe8d6bb947e607bde84d0dcb1bdc89a38906ae7527355c22fd6f6f6954
fda6a19a5be3d7cdb1c894afa2b2b47bf7ce53c4ed27ba6d50035fe07046f076
9cadda8241bb7393ed10e4e3e58b0cafddb31b01334afe38ebb3f94e73190c2c
b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
ebb0798162290ffb9a0e46b0ac35c719044bf93c62d90e056fdf9a41c3fc132d
SH256 hash:
8f3e8fb00b864b774ba1ff591b4d2f29d04cf4fea45e179f39309b984a92093c
MD5 hash:
d0223abc16917fd6ab9a529f597cc431
SHA1 hash:
6de268dcad66b83e126c39b7cb8aaec020d64dcb
Link:
https://www.unpac.me/results/ea0d895a-d905-43aa-8ada-433ff52eea31/
SH256 hash:
ff9ed273d9f93efea8c40497e53a4eb05914ed79ed02798c0f960da9a277363d
MD5 hash:
90477ab082db9598962ba52e2f80a004
SHA1 hash:
2a7aa28dcbfc1a8e10c8981f7ffd488ac6c245b4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ea0d895a-d905-43aa-8ada-433ff52eea31/
SH256 hash:
b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
MD5 hash:
2137e10273e08d4a7de9cc4b972e8a12
SHA1 hash:
736de35693a723137a5237c379450b1201b0a0b2
Link:
https://www.unpac.me/results/ea0d895a-d905-43aa-8ada-433ff52eea31/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8fa08e31085/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/b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

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

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