MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20af9647533387955b0e76521083ccb4b141999e61fbfc601bb0d1400c8962e0. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments

SHA256 hash: 20af9647533387955b0e76521083ccb4b141999e61fbfc601bb0d1400c8962e0
SHA3-384 hash: 789c3835599408b392524c467fee6942fc96bf90ac49305e3e93350c86c6c1a13395cecd73f4ac8b6393215b1432c0a3
SHA1 hash: 0e726a91b9158288ffd0e3ef557a305ebee7a285
MD5 hash: 772becb81f1429d1cdaa13203ef9f572
humanhash: connecticut-nevada-washington-eleven
File name:DHL Delivery Invoice.exe
Download: download sample
Signature AgentTesla
File size:816'128 bytes
First seen:2024-05-16 15:39:14 UTC
Last seen:2024-05-16 16:35:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:1smyvkF9kRiFupdRbdsbS1yIxYMFniyy:umokFmiMRpsKyIqMFny
TLSH T1FE05CF9C765075EFC86BC8738AA82C64EA60747B930BC243A01716EDEA4D997CF145F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:AgentTesla DHL exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
324
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
20af9647533387955b0e76521083ccb4b141999e61fbfc601bb0d1400c8962e0.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 16:28:28 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442789 Sample: DHL Delivery Invoice.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 38 smtp.yandex.com 2->38 40 smtp.yandex.ru 2->40 42 api.ipify.org 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 15 other signatures 2->54 8 sZDtyDvLt.exe 5 2->8         started        11 DHL Delivery Invoice.exe 7 2->11         started        signatures3 process4 file5 56 Antivirus detection for dropped file 8->56 58 Multi AV Scanner detection for dropped file 8->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 64 2 other signatures 8->64 14 sZDtyDvLt.exe 8->14         started        17 schtasks.exe 8->17         started        34 C:\Users\user\AppData\Roaming\sZDtyDvLt.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp38AD.tmp, XML 11->36 dropped 62 Adds a directory exclusion to Windows Defender 11->62 19 DHL Delivery Invoice.exe 15 2 11->19         started        22 powershell.exe 21 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->66 68 Tries to steal Mail credentials (via file / registry access) 14->68 70 Tries to harvest and steal ftp login credentials 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 26 conhost.exe 17->26         started        44 smtp.yandex.ru 77.88.21.158, 49707, 49709, 49713 YANDEXRU Russian Federation 19->44 46 api.ipify.org 104.26.12.205, 443, 49706, 49708 CLOUDFLARENETUS United States 19->46 74 Installs a global keyboard hook 19->74 76 Loading BitLocker PowerShell Module 22->76 28 conhost.exe 22->28         started        30 WmiPrvSE.exe 22->30         started        32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-05-14 23:29:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
0ef54afd49a80e63f5b2acd62079097baa977d9df3a16b3ad619b7844fd282f9
MD5 hash:
f9e58f0b812466dc9cf4f7ac3e2adbdd
SHA1 hash:
9fc99baf2211ee0b4fc05982fef7c05dd5d50dab
Detections:
AgentTesla win_agent_tesla_g2 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_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
3ed5ed1faedc8c6f391f8c79f29f3b58f5bf9b0ea112ad1735933d4966003bf2
MD5 hash:
1daff29af6a1b4079e8adb1be6abba61
SHA1 hash:
951cd56e3edbeb290f02b18966bf5e3b74d366cd
SH256 hash:
380ba91ca31f0c895128bd2105bdd7626dd2f1ca96d181c0b4ed089425f54567
MD5 hash:
b69af20fc56fd5b4e52360a6f59265ab
SHA1 hash:
929e61dc9eb469ca42021b510c2e84fc4642f620
SH256 hash:
198a50a51917fe7bcdcce8a730b57e55daaeb503dd1fbd47f3324664c6c816bc
MD5 hash:
cee748aaf541ebf3d73ffa9e371498e5
SHA1 hash:
8405b8e03b8f85e7f1b5edca2e243ad477eec579
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
SH256 hash:
20af9647533387955b0e76521083ccb4b141999e61fbfc601bb0d1400c8962e0
MD5 hash:
772becb81f1429d1cdaa13203ef9f572
SHA1 hash:
0e726a91b9158288ffd0e3ef557a305ebee7a285
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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.

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

Comments