MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a37a38711e333170654b8a7f194d33b65a31f573a99db3ea52c3a14bd8a053c. 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: 4


Intelligence 4 IOCs YARA 2 File information Comments

SHA256 hash: 4a37a38711e333170654b8a7f194d33b65a31f573a99db3ea52c3a14bd8a053c
SHA3-384 hash: 865377f3846d490e99f4937c30a8a816f30db8e952447b1872d23c07a486b3067af183b20468705594141e5296695185
SHA1 hash: 1dce4cdc25ffcf15d0a1101bb46392b266431afa
MD5 hash: c3f3d70542abeccc1dc0f24142394003
humanhash: mobile-saturn-six-oven
File name:MV PAVINO.exe
Download: download sample
Signature AgentTesla
File size:426'646 bytes
First seen:2020-05-01 14:31:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 6144:bPCganNhay4uabenG9Z5JojN7Xmzv1II2CE8sMYblQVM15Mtns0UDlBBG1qEHGEV:Jannay4uadZQmKiEuIm4WtxUBBBdw7
Threatray 6'174 similar samples on MalwareBazaar
TLSH CD942345E5A2C4FBE1AB02F10C7C1EB39AE49D5518F8990B0B747DAC793325A211F73A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: box.vacuumcleanerservicecentre.co.uk
Sending IP: 104.168.219.118
From: Vungtau Ocean Shipping Agency <mail@vacuumcleanerservicecentre.co.uk>
Subject: Re: REQUEST FOR QUOTATION// MV PAVINO TRADER
Attachment: MV PAVINO.IMG (contains "MV PAVINO.exe")

AgentTesla SMTP exfil server:
mail.kingstoncomplex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Waldek
Status:
Malicious
First seen:
2020-05-01 14:44:00 UTC
File Type:
PE (Exe)
Extracted files:
48
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information


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

Malspam

AgentTesla

Executable exe 4a37a38711e333170654b8a7f194d33b65a31f573a99db3ea52c3a14bd8a053c

(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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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