MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f. 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: 18

Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash:	aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f
SHA3-384 hash:	1a8df84348361f5a8b0f4e1815bff54d63d15b65ac893dff52fddac9ef82261bb60daa8490bc9b6de1906fa73a8d8363
SHA1 hash:	963ecdddd25061a5181f243b95c7cdfb0aa35ac1
MD5 hash:	91178ddd3fe65a701f05dae0e8cf5cb8
humanhash:	timing-failed-uranus-kitten
File name:	aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'055'232 bytes
First seen:	2025-05-09 13:20:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:pu6J33O0c+JY5UZ+XC0kGso6Fah4ryhOCypJWY:Lu0c++OCvkGs9FahE++qY
Threatray	125 similar samples on MalwareBazaar
TLSH	T10525BE2273DDC360CB669173BF6AB7016EBF3C614630B95B2F880D7DA950162162D7A3
TrID	32.2% (.EXE) Win64 Executable (generic) (10522/11/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
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 :

# of downloads :

335

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f

Verdict:

Malicious activity

Analysis date:

2025-05-09 18:46:31 UTC

Tags:

evasion stealer ftp exfiltration agenttesla

Link:

https://app.any.run/tasks/90518b7a-7fef-4580-8d1a-1fd641c8defd

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=681e02bb4a59e5a2ce034d3c

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/681e0158d95f3e34e9652d2c/reports/95c8c9b0-8b02-47ab-8ef9-64dd3c68330b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9546b323-60d5-49c6-add4-cb67d717fd09

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1686365

Signature

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

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

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)

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 steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-04-21 13:37:42 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 35 (48.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=virxssbwwxhrj3mjw4fiq7jykuto74qfyp4hzepa4qauyxwiumhq._file

Verdict:

malicious

Label(s):

unc_loader_036

agenttesla

AgentTesla

25ab1b7614199df29e69ae59542d296f3482834c205cdbcfb7422b46b9c06e04

AgentTesla

3812e81146eed8bd3c8f0c471fc5c67a82a40f452a7c824a75df89345b38fcf8

AgentTesla

3c7654a38b7e605dd7619b4eafd645c2203c2fa10e60508113eaf23a87f92fa8

AgentTesla

fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

AgentTesla

+ 115 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250509-qlyd9aep2y/

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

Looks up external IP address via web service

AgentTesla

Agenttesla family

Verdict:

Suspicious

Tags:

trojan external_ip_lookup

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/f363f8fc-031a-4e45-8bfc-a1d847fbd51a

Unpacked files

SH256 hash:

aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f

MD5 hash:

91178ddd3fe65a701f05dae0e8cf5cb8

SHA1 hash:

963ecdddd25061a5181f243b95c7cdfb0aa35ac1

Link:

https://www.unpac.me/results/491bf772-51d7-4929-86a2-34d1bbfe7535/

SH256 hash:

2412be2935abdb3d056fa8e23993eb8f1b03f27bd753967879302c014478dc09

MD5 hash:

4e14443a336ef69ccb4885a1d049bf34

SHA1 hash:

9d3c3c0f9147cbc55db9c0456145013ab5e64d04

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/491bf772-51d7-4929-86a2-34d1bbfe7535/

Parent samples :
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Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/aa23794836b5/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/aa23794836b5cf14ed89b70a887d385526eff205c3f87c91e0e4014c5ec8a30f

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Generic_Threat_779cf969 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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample