MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1
SHA3-384 hash: fd4f1c85ab4cb97666dedbb7ceefc2b0f952341140b5f70447c4f30b788acfbc5a52e1ae8c9ef36a36c8ebe55e7c47a4
SHA1 hash: a77f25631c5cca1f0c7795d5aa2bd0dc763bdc5c
MD5 hash: f82bef7bdeccbb01d5f2bff93dce0b4a
humanhash: undress-magazine-moon-ohio
File name:SKM 003-23 170204 004982024.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'167'872 bytes
First seen:2024-04-03 12:57:45 UTC
Last seen:2024-04-08 07:50:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:wqDEvCTbMWu7rQYlBQcBiT6rprG8aPSGP6Dz:wTvC/MTQYxsWR7aP/
Threatray 4'338 similar samples on MalwareBazaar
TLSH T16D459E3273818322FE979D32CB5EF61D467C6D260123A51FD39C2B79B9F01A1163E662
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
299
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 13:45:20 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/aea0f94b-3809-480d-9d1a-e2ddccf7e7c8

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Moving a file to the Program Files subdirectory
Replacing files
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1
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/e8fc62f9-08ba-4b3e-be21-71cf78a9f1a5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419397
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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: Suspicious Double Extension File Execution
Tries to harvest and steal browser information (history, passwords, etc)
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
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-01 15:19:35 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5udmo6loeskuyigctxgzflxnqathjitmm4raxmv2yytgfw233yq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
094579daf45aa63978c1687fe60d6bbf6b4cc230c7951ce8c5c7b2d085dcc968
AgentTesla
2b6b6d4b6814af85d658ca6735b150cbbdc3b0a7a37939a5c6c12b6e36ee4218
AgentTesla
9e3efbcbbc7329e7b89e1dfbd094593debfd57fcb860f5f14c5a0ff97e7c1293
AgentTesla
bbb2ad171db12bf6179bad65dcd9eefe42a3f6d756befb9aa3d04948d860c289
AgentTesla
d9e39ac3bdf2a36aab090ab6dbe0edf6c4176746dc8ab32bc9fa76c57834bad4
AgentTesla
+ 4'328 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240403-p7qe4add6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
fd3c0880dc0bed4a7547ddd672e220bb0c234f5e2e6dac924844f00393e255b6
MD5 hash:
0ca425c909cac7a1f0463915dd14fe93
SHA1 hash:
62d6069166956fdb38fe0f3d5936181a0dcfce46
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/7094a3a3-716a-4b65-b05c-c06d8dd5b597/
Parent samples :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 hash:
b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1
MD5 hash:
f82bef7bdeccbb01d5f2bff93dce0b4a
SHA1 hash:
a77f25631c5cca1f0c7795d5aa2bd0dc763bdc5c
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/7094a3a3-716a-4b65-b05c-c06d8dd5b597/
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/b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

Executable exe b768363bcb7124aa610614ee6c95776c0133a5136339105d95d6313316dadef1

(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
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
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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