MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caa149d1130881019e045732cf5894dd786b165f81d614463a3a3bd6b18a091e. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: caa149d1130881019e045732cf5894dd786b165f81d614463a3a3bd6b18a091e
SHA3-384 hash: b54ae223a96ab6967c1de9beadde9befedb6954b7d35058646385b6107a1c3c373a17b2859d432b0d39f3c884ba8fda2
SHA1 hash: 31c061a344702553071f4e51cc69945ac39a98f6
MD5 hash: 85ca575fcc4015a566db670c2c39504a
humanhash: item-carolina-hotel-september
File name:Vista previa de consulta de compra___________pdf.exe
Download: download sample
Signature AgentTesla
File size:979'456 bytes
First seen:2024-06-20 17:25:32 UTC
Last seen:2024-06-20 18:25:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:AqPL/oRbvCQemj/2MmqUMh9mtL3LDV6QjNb4CPinnWwU4EtyFqpcOcx:tsRbac/9b9mlvF4CqnnaTeqpcOcx
Threatray 441 similar samples on MalwareBazaar
TLSH T1B7253AC863A53932F79D5B3794E01BC6DB7DE9328E8AF30E248429690D2B75E4E14533
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
409
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
caa149d1130881019e045732cf5894dd786b165f81d614463a3a3bd6b18a091e.exe
Verdict:
Malicious activity
Analysis date:
2024-06-20 17:27:21 UTC
Tags:
evasion stealer agenttesla exfiltration smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Restart of the analyzed sample
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
anti-vm explorer lolbin masquerade obfuscated packed packed smartassembly smart_assembly
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1460304 Sample: Vista previa de consulta de... Startdate: 20/06/2024 Architecture: WINDOWS Score: 100 34 wassadadvogados.com.br 2->34 36 toyscenter.cl 2->36 38 2 other IPs or domains 2->38 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 14 other signatures 2->56 7 Vista previa de consulta de compra___________pdf.exe 15 5 2->7         started        12 Xvtrcbipl.exe 14 3 2->12         started        14 Xvtrcbipl.exe 2->14         started        signatures3 process4 dnsIp5 40 toyscenter.cl 190.171.170.94, 443, 49731, 49739 CTCCORPSATELEFONICAEMPRESASCL Chile 7->40 24 C:\Users\user\AppData\Roaming\Xvtrcbipl.exe, PE32 7->24 dropped 26 C:\Users\...\Xvtrcbipl.exe:Zone.Identifier, ASCII 7->26 dropped 28 Vista previa de co...________pdf.exe.log, ASCII 7->28 dropped 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->58 60 Injects a PE file into a foreign processes 7->60 16 Vista previa de consulta de compra___________pdf.exe 2 7->16         started        62 Multi AV Scanner detection for dropped file 12->62 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->66 68 Machine Learning detection for dropped file 12->68 20 Xvtrcbipl.exe 2 12->20         started        22 Xvtrcbipl.exe 14->22         started        file6 signatures7 process8 dnsIp9 30 ip-api.com 208.95.112.1, 49732, 49742, 49746 TUT-ASUS United States 16->30 32 wassadadvogados.com.br 191.252.141.106, 49733, 49734, 49743 LocawebServicosdeInternetSABR Brazil 16->32 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->42 44 Tries to steal Mail credentials (via file / registry access) 22->44 46 Tries to harvest and steal ftp login credentials 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 signatures10
Threat name:
Win32.Trojan.Mardom
Status:
Malicious
First seen:
2024-06-20 13:38:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
caa149d1130881019e045732cf5894dd786b165f81d614463a3a3bd6b18a091e
MD5 hash:
85ca575fcc4015a566db670c2c39504a
SHA1 hash:
31c061a344702553071f4e51cc69945ac39a98f6
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe caa149d1130881019e045732cf5894dd786b165f81d614463a3a3bd6b18a091e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments