MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095
SHA3-384 hash: a9b0d30fd41cc2cfcefff8afd19475a867cfe5f71fe71f609ead76b583b42e99666f1aefb748d89be954b2df7c1d4555
SHA1 hash: eefa1c0f4bbd71aac3d9f6b72c355a31eca2fa31
MD5 hash: e9688f41d077c70bf6521590498b403d
humanhash: utah-jersey-alpha-lemon
File name:79908654ddd.exe
Download: download sample
Signature AgentTesla
File size:1'155'072 bytes
First seen:2024-05-08 07:36:00 UTC
Last seen:2024-05-14 10:40:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bbac62fd99326ea68ec5a33b36925dd1 (46 x AgentTesla, 38 x njrat, 27 x Formbook)
ssdeep 24576:L4lavt0LkLL9IMixoEgea0RygcSJUD15Myq9MmCS:ekwkn9IMHea0IsJa5baPCS
Threatray 1'349 similar samples on MalwareBazaar
TLSH T1E235CF0373DDC3A5C3725273BA66BB01AEBB7C2505A1F59B2FD4093DE920162921E673
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)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
296
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 08:24:36 UTC
Tags:
n/a

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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed risepro shell32
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
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
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438005 Sample: 79908654ddd.exe Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 47 mail.cash4cars.nz 2->47 49 ip-api.com 2->49 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 12 other signatures 2->61 9 79908654ddd.exe 7 2->9         started        12 wscript.exe 1 2->12         started        15 newfile.exe 2->15         started        17 newfile.exe 2->17         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\name.exe, PE32 9->45 dropped 19 name.exe 4 9->19         started        79 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->79 23 name.exe 3 12->23         started        25 conhost.exe 15->25         started        27 conhost.exe 17->27         started        signatures6 process7 file8 41 C:\Users\user\AppData\Roaming\...\name.vbs, data 19->41 dropped 63 Antivirus detection for dropped file 19->63 65 Drops VBS files to the startup folder 19->65 29 name.exe 3 19->29         started        32 RegSvcs.exe 19->32         started        67 Writes to foreign memory regions 23->67 69 Maps a DLL or memory area into another process 23->69 34 RegSvcs.exe 3 23->34         started        signatures9 process10 signatures11 81 Writes to foreign memory regions 29->81 83 Maps a DLL or memory area into another process 29->83 36 RegSvcs.exe 16 4 29->36         started        85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 32->85 87 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 32->87 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->89 91 Tries to steal Mail credentials (via file / registry access) 34->91 93 Tries to harvest and steal ftp login credentials 34->93 95 2 other signatures 34->95 process12 dnsIp13 51 mail.cash4cars.nz 114.142.162.17, 26, 49707, 49709 SERVERMULE-AS-APNimbus2PtyLtdAU Australia 36->51 53 ip-api.com 208.95.112.1, 49706, 49708, 80 TUT-ASUS United States 36->53 43 C:\Users\user\AppData\Roaming\...\newfile.exe, PE32 36->43 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->71 73 Tries to steal Mail credentials (via file / registry access) 36->73 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 36->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->77 file14 signatures15
Threat name:
Win32.Trojan.Strab
Status:
Malicious
First seen:
2024-05-08 07:23:24 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Unpacked files
SH256 hash:
2cfbb5243653c1eae643a506b4fade1a1a0a402f5992ec81a0a42ded505db712
MD5 hash:
b9a145af51703199b3f009f5983df46a
SHA1 hash:
65974944d5aa16c38b2ab1acd0d17dc64e2978d8
Detections:
AgentTesla INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers RedLine_Campaign_June2021 INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
4deb27ded81b2320f80927698233223bcefb95e96d6f63dc1dc85e7f99e4bb27
MD5 hash:
2b923f24f8f75e5fb34de4dd689877d0
SHA1 hash:
5f64c75322e93fe5ae02836bb04b50240150d7a3
Detections:
AgentTesla INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
98b7b925336e182a21dc9ecfafa8e6b6f7900e18a3bb35dc17f348133cea588e
MD5 hash:
e58a6f6770e44c177cde44806fb74ee2
SHA1 hash:
8a352d1a280740339354dedef5cfe2686430c8d4
Detections:
MAL_Malware_Imphash_Mar23_1 MetaStealer_NET_Reactor_packer MALWARE_Win_RedLine
SH256 hash:
157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095
MD5 hash:
e9688f41d077c70bf6521590498b403d
SHA1 hash:
eefa1c0f4bbd71aac3d9f6b72c355a31eca2fa31
Detections:
AutoIT_Compiled
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:AutoIt
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Malspam

AgentTesla

Executable exe 157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095

(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::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::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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