MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda. 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 19 File information Comments 1

SHA256 hash: d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda
SHA3-384 hash: 623aacf3be00817d6eb229fd12a37718f5f6e83b616d6630f939b030360a2cb6c1fa5544ed00b8ff1a21a027795cf961
SHA1 hash: 757b55403f5068a7e90930a75ee61cf252595968
MD5 hash: fa362d6eab964c2243f02ee774ed6d90
humanhash: alaska-seventeen-uniform-uncle
File name:fa362d6eab964c2243f02ee774ed6d90
Download: download sample
Signature AgentTesla
File size:784'384 bytes
First seen:2024-06-06 15:52:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v3qyJMMhhprHWwTXdQ2XYTwe5YjDDL3Bm+hLT4noxCYQLP5vw:v6Ot2wTXdQ2XYce5T+xMiCYKP5vw
TLSH T1F0F4F041AAD94601D8B502F7547438CC1BB52516CD63E3B8AEBDA9CDCC323D1EE1EA4B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d1d0e8e8e4f4ecd4 (30 x AgentTesla, 18 x RedLineStealer, 16 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
358
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 17:12:39 UTC
Tags:
evasion agenttesla stealer smtp 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
Creating a window
Сreating synchronization primitives
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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 Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1453201 Sample: yz4HYN8Zv2.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 30 us2.smtp.mailhostbox.com 2->30 32 api.ipify.org 2->32 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 9 other signatures 2->54 7 yz4HYN8Zv2.exe 3 2->7         started        11 mpTrle.exe 3 2->11         started        13 mpTrle.exe 2 2->13         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\yz4HYN8Zv2.exe.log, ASCII 7->28 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->56 58 Injects a PE file into a foreign processes 7->58 15 yz4HYN8Zv2.exe 15 5 7->15         started        60 Antivirus detection for dropped file 11->60 62 Multi AV Scanner detection for dropped file 11->62 64 Machine Learning detection for dropped file 11->64 20 mpTrle.exe 14 2 11->20         started        22 mpTrle.exe 2 13->22         started        signatures6 process7 dnsIp8 34 us2.smtp.mailhostbox.com 208.91.199.225, 49711, 49715, 49722 PUBLIC-DOMAIN-REGISTRYUS United States 15->34 36 api.ipify.org 104.26.13.205, 443, 49709, 49714 CLOUDFLARENETUS United States 15->36 24 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 15->24 dropped 26 C:\Users\user\...\mpTrle.exe:Zone.Identifier, ASCII 15->26 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 44 Tries to harvest and steal ftp login credentials 22->44 46 Tries to harvest and steal browser information (history, passwords, etc) 22->46 file9 signatures10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-05 05:22:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
9f365a320405be969719491d46191fefa4e6a731684ed9fb6bcaa72bc6c1126e
MD5 hash:
63e615e39e78c95da103a5917a1be5e1
SHA1 hash:
e254316bc7025b7ce4e7f87148940588eab3d0a9
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:
c33f4dd8ddce7fcbaaf1c3db97943ce68eff43fcad18776ca9286217899355d3
MD5 hash:
64470392c6d2f3baa829fe148dfdf56c
SHA1 hash:
8fb5b344ff22142bcc58dd68fd768f2abfc013d3
SH256 hash:
6e1aed5c1a8a1231b7d54afb4b6af8c8a990b473929876513c93365e74f24bde
MD5 hash:
26ab69d9b8e6f4cc6d5b140f664e334f
SHA1 hash:
87ea7243b404209502140148cd9341b77c9df578
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
SH256 hash:
d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda
MD5 hash:
fa362d6eab964c2243f02ee774ed6d90
SHA1 hash:
757b55403f5068a7e90930a75ee61cf252595968
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: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:MoleBoxv20
Author:malware-lu
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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.

Web download

AgentTesla

Executable exe d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda

(this sample)

  
Delivery method
Distributed via web download

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



Avatar
zbet commented on 2024-06-06 15:52:42 UTC

url : hxxp://107.173.143.28/90404/igcc.exe