MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569
SHA3-384 hash: edd909751675d1d659f1870c710aa2282eea934feb997eabed1b01e704fdbaa4c9f2ce27203be13783d5addb3742e0cb
SHA1 hash: e1a8d59ec58cf1756d4390c7601b9e37941397ac
MD5 hash: a87e6d84a211cdb196a3eabba0baa467
humanhash: lithium-uncle-may-spaghetti
File name:ATLANTIC STAR - VESSEL DETAILS.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'228'253 bytes
First seen:2024-10-11 15:14:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 24576:FfmMv6Ckr7Mny5QiXcmEK3cvLSF9dxi+VgvrAgU4n51lqD9:F3v+7/5QiXgrLY9d0QgD9Jn/ls9
Threatray 349 similar samples on MalwareBazaar
TLSH T1B845F152F3D680B6D9A339B5297BE32BEB3571194333C48BA7E01E768F211019B36761
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 300e061616000000 (3 x Formbook, 3 x MassLogger, 2 x RedLineStealer)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
441
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
ATLANTIC STAR - VESSEL DETAILS.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-10-11 15:16:14 UTC
Tags:
evasion stealer agenttesla ftp exfiltration netreactor
Link:
https://app.any.run/tasks/635f10b9-e0a6-48cf-a0f3-d6431612288f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Worm.Autoit.AMHC.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670940f879cca9fcf0880547
Tags:
Underscore Autoit Emotet Lien
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/670940feaa369c5c80dc4805/reports/1cc335c8-0f47-431d-a77c-43959046e869/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569
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/b320c139-875b-4985-afc2-a036868b3f75
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1531730
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Contains functionality to detect sleep reduction / modifications
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension File Execution
Switches to a custom stack to bypass stack traces
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-10-11 15:15:06 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnkuw24fbimkf5jtbvrzig5knalofo3bprb7y2wabvwtllth4vuq._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
unknown_loader_001
Create hunting rule
agenttesla
Create hunting rule
unknown_loader_036
Create hunting rule
Similar samples:
1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364
AgentTesla
89bf0303ddc028f24388edc3ca7f0384b10db50dacc42cb96dac2e4d677213f0
AgentTesla
ab1a43c5eb5c82a3199a543deb4e3289c9fa0a2439e2f962c6774772227e5cdf
AgentTesla
c6789cf795ae3fb1084f4eec8b4cbea4f5b345df502738b2b7afc5bcfa47a852
AgentTesla
error
AgentTesla
+ 339 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/241011-smwm6ayerf/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b26f9927-03f9-4ea8-987c-6ac1f361b49e
Unpacked files
SH256 hash:
6c6a8765bd5a59dd9832c2e2cfb5a8557f9091bcb394466a3029a9aa1ae1bb90
MD5 hash:
37b259e3a020d81f9445ef631d43090f
SHA1 hash:
8bf453ed853bbc8a9a802fecdfd7f780d90e9d62
Detections:
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
RedLine_Campaign_June2021
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/276082ec-9f81-4054-98fc-18426e324f3a/
SH256 hash:
8c60b6e423609456eed826226760a6d63e0a709c1f80ffe37ee56e252381258b
MD5 hash:
97655becf45794f72ba13e3da3f456f6
SHA1 hash:
3334cab80b1fef8595ac65b1378f38286ff3586b
Detections:
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
MALWARE_Win_AgentTeslaV2
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/276082ec-9f81-4054-98fc-18426e324f3a/
SH256 hash:
2b453ea6e9012c870d732d5e83380c1af445ed355f86ef89c34461c15690888d
MD5 hash:
16d6fb0d29dad3e048fde5a162b35980
SHA1 hash:
19695928a395bbda8bffa29e27aa7e11ea4fb7a2
Detections:
win_samsam_auto
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MetaStealer_NET_Reactor_packer
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/276082ec-9f81-4054-98fc-18426e324f3a/
SH256 hash:
3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569
MD5 hash:
a87e6d84a211cdb196a3eabba0baa467
SHA1 hash:
e1a8d59ec58cf1756d4390c7601b9e37941397ac
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/276082ec-9f81-4054-98fc-18426e324f3a/
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/3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

Malspam

AgentTesla

Executable exe 3b554b6b850a18a2f5330d63941baa6816e2bb617c43fc6ac00d6d35ae67e569

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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