MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d920f54205824893b67562d371ea565dc2ae8f1dc02b6e2e079ff0ec246563e6. 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 23 File information Comments

SHA256 hash: d920f54205824893b67562d371ea565dc2ae8f1dc02b6e2e079ff0ec246563e6
SHA3-384 hash: b5c5dd1edf61903b1cae746306e28325be1924e021cb3c340560d81d2b1d24576626868591c6787d79b0abe72148d79a
SHA1 hash: b4ac62a557b720a82a89f279aebf062247ed686b
MD5 hash: 40d4f9dce0a4c36281ac0fd748623f22
humanhash: batman-twelve-golf-equal
File name:SecuriteInfo.com.Program.Unwanted.4610.18191.4524
Download: download sample
Signature AgentTesla
File size:68'472 bytes
First seen:2024-05-16 14:23:32 UTC
Last seen:2024-05-17 17:44:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 1536:uclZk2SFjwIcry68JT3KDJipMJQ2v83hGH:uclCw83JzK9kMJQ2vZH
TLSH T1E4635B8493D6DD41F4BD4B7B68F1A3004B75FD60AB67E34F1E9860560CB3BC64A91722
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1464ec8c36c1958e (3 x AgentTesla, 1 x AZORult)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
425
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
d920f54205824893b67562d371ea565dc2ae8f1dc02b6e2e079ff0ec246563e6.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 14:24:51 UTC
Tags:
payload evasion agenttesla stealer exfiltration

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

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated overlay packed packed smartassembly smart_assembly
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442670 Sample: SecuriteInfo.com.Program.Un... Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 37 api.ipify.org 2->37 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 7 other signatures 2->59 8 SecuriteInfo.com.Program.Unwanted.4610.18191.4524.exe 16 7 2->8         started        13 uvef.exe 2->13         started        15 uvef.exe 2->15         started        signatures3 process4 dnsIp5 39 98.142.254.109, 49712, 49713, 58322 VELCOMCA Canada 8->39 29 C:\Users\user\AppData\Roaming\uvef.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\Temp\Mrmjzj.exe, PE32 8->31 dropped 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->61 17 RegAsm.exe 14 2 8->17         started        21 Mrmjzj.exe 14 3 8->21         started        63 Machine Learning detection for dropped file 13->63 23 RegAsm.exe 13->23         started        25 RegAsm.exe 15->25         started        file6 signatures7 process8 dnsIp9 33 66.29.151.236, 49715, 587 ADVANTAGECOMUS United States 17->33 35 api.ipify.org 104.26.13.205, 443, 49714 CLOUDFLARENETUS United States 17->35 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->43 45 Tries to steal Mail credentials (via file / registry access) 17->45 51 2 other signatures 17->51 47 Machine Learning detection for dropped file 21->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->49 27 RegAsm.exe 2 21->27         started        signatures10 process11
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-16 09:39:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  2/5
Result
Malware family:
purelogstealer
Score:
  10/10
Tags:
family:agenttesla family:purelogstealer keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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
AgentTesla
PureLog Stealer
PureLog Stealer payload
Unpacked files
SH256 hash:
d920f54205824893b67562d371ea565dc2ae8f1dc02b6e2e079ff0ec246563e6
MD5 hash:
40d4f9dce0a4c36281ac0fd748623f22
SHA1 hash:
b4ac62a557b720a82a89f279aebf062247ed686b
Detections:
PureCrypter_Stage1
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:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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 (GUARD_CF)high

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