MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9. 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: 81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
SHA3-384 hash: edf37342a89d46a09c7829a9d35dfb41efaa4e2b1309717228373d3e4dfee8b84609a339a2a43fb48cc03ac59863daea
SHA1 hash: 6b9827d8313d1840465dc6403e0975e688e3b3df
MD5 hash: 2e104c0bf13525c4f527f1e95bf18699
humanhash: idaho-early-july-uncle
File name:SecuriteInfo.com.W32.Autoit.G.gen.Eldorado.11842.7473
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'038'336 bytes
First seen:2024-09-02 14:18:46 UTC
Last seen:2024-09-02 18:18:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:MAHnh+eWsN3skA4RV1Hom2KXMmHaUiiY0BJqS1j5:rh+ZkldoPK8YaUq03
Threatray 6 similar samples on MalwareBazaar
TLSH T150259C02B3E6C036FFAB92739B6AB20156BD79250133852F13981DB9BD701B1277D663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 74e4dcccc8ccdcd4 (4 x Formbook, 2 x AsyncRAT, 2 x Loki)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
382
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.Autoit.G.gen.Eldorado.11842.7473
Verdict:
Malicious activity
Analysis date:
2024-09-02 14:28:44 UTC
Tags:
evasion stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/35770636-d4a9-4ff9-9fdb-693fb4896f0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.Autoit.G.gen.Eldorado.11842.7473.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d5c95bf3d7ccf99f8f90c7
Tags:
Discovery Generic Infostealer Network Stealth Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/454604d3-13a8-4ac9-8970-362b76e7eb36
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502988
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502988 Sample: SecuriteInfo.com.W32.Autoit... Startdate: 02/09/2024 Architecture: WINDOWS Score: 100 25 mx.businessmailservice.in 2->25 27 mail.eatrepeatindia.com 2->27 29 2 other IPs or domains 2->29 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 7 SecuriteInfo.com.W32.Autoit.G.gen.Eldorado.11842.7473.exe 4 2->7         started        10 tyTwe.exe 2 2->10         started        12 tyTwe.exe 1 2->12         started        signatures3 process4 signatures5 51 Binary is likely a compiled AutoIt script file 7->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->53 55 Writes to foreign memory regions 7->55 57 2 other signatures 7->57 14 RegSvcs.exe 16 4 7->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        process6 dnsIp7 31 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 14->31 33 mx.businessmailservice.in 103.118.16.128, 49705, 587 NEERJA-AS-APNeerjaSoftwaresPvtLtdIN India 14->33 23 C:\Users\user\AppData\Roaming\...\tyTwe.exe, PE32 14->23 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->39 41 5 other signatures 14->41 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9/
Threat name:
Win32.Trojan.ShellcodeCrypter
Create hunting rule
Status:
Malicious
First seen:
2024-09-02 14:19:06 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg6vvitcie532m3disj7tx3y56bjh7dqjlnru67rehzrw24tts4q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
AgentTesla
8fd486141dcb47b77f592284655da4c0354f81f603b989c252731a484b3ffdcd
AgentTesla
e985bf115705eac5a7189ff3f06aa848c10fac371489d0e5e67f3a4cd959be8b
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240902-rmtm5ashre/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/739d18c4-18da-4d6f-b4da-91485382df82
Unpacked files
SH256 hash:
a688439af4a89c71a72f33a29afa97c1b1d780bc3401a95261e3915476de44ac
MD5 hash:
a84d14372777464a8b4d41fe92f9b58b
SHA1 hash:
79a82d352e67ef08d7eb567a9b6e514f147cecb4
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/80f61d54-dab6-454f-afbe-f492491d53ba/
Parent samples :
e985bf115705eac5a7189ff3f06aa848c10fac371489d0e5e67f3a4cd959be8b
8fd486141dcb47b77f592284655da4c0354f81f603b989c252731a484b3ffdcd
81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
22e139434f5f7b479d43bc2febcd141b91c7b168fe49f48081e32990b80acf00
1901fefcf83a2db8d2e4a717e382df0bdf8db7e7f48615bdc9a26b45f0b7c0ff
SH256 hash:
81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9
MD5 hash:
2e104c0bf13525c4f527f1e95bf18699
SHA1 hash:
6b9827d8313d1840465dc6403e0975e688e3b3df
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/80f61d54-dab6-454f-afbe-f492491d53ba/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81bd5aa26241/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/81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9

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). 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:Detect_Nimplant_PE
Create hunting rule
Author:daniyyell
Description:Detects malicious nimplant variant PE malware.
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
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::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
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::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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