MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f25f493f6084e0b8f8c46b0d946962936771b9a590f91111bc1ce3519a08b82. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 9f25f493f6084e0b8f8c46b0d946962936771b9a590f91111bc1ce3519a08b82
SHA3-384 hash: d50fa82f84d952aa04770ff1335ea40c44499cacb13959f8fa2581c5342ac37883d922e8f17d7b871cc7087c18a89b37
SHA1 hash: 6cc167a9384de5afc9c709c4f2a31928a7336393
MD5 hash: 6c77a3dc9459bf6356d08dc9d29498a6
humanhash: iowa-stream-black-monkey
File name:SecuriteInfo.com.Trojan.PackedNET.703.25032.14539
Download: download sample
Signature AgentTesla
File size:4'163'072 bytes
First seen:2021-05-06 19:53:30 UTC
Last seen:2021-05-06 20:01:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:4V8gK8XS5S5S7SySuSeSDSySbS3S3SGSqS4S6SnSeSnS+SPSsSQSrSDSwSTSYSb0:
Threatray 80 similar samples on MalwareBazaar
TLSH 2D161D615383856DB3F42E1112F1A0AF5C5BBF624E79B12E649084231BB9CE4CFB5B36
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Setting a single autorun event
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Powershell adding suspicious path to exclusion list
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 406301 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 06/05/2021 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 Sigma detected: Powershell adding suspicious path to exclusion list 2->65 67 9 other signatures 2->67 8 SecuriteInfo.com.Trojan.PackedNET.703.25032.exe 5 9 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 5 other processes 2->16 process3 file4 53 C:\Users\user\...\6404x11860EK94Q35jt.exe, PE32 8->53 dropped 55 C:\Users\Public\Documents\...\svchost.exe, PE32 8->55 dropped 57 6404x11860EK94Q35jt.exe:Zone.Identifier, ASCII 8->57 dropped 59 2 other malicious files 8->59 dropped 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->73 75 Drops PE files to the startup folder 8->75 77 Adds a directory exclusion to Windows Defender 8->77 83 2 other signatures 8->83 18 6404x11860EK94Q35jt.exe 3 8->18         started        21 powershell.exe 8->21         started        23 powershell.exe 8->23         started        25 6 other processes 8->25 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 signatures5 process6 signatures7 69 Adds a directory exclusion to Windows Defender 18->69 27 powershell.exe 18->27         started        29 powershell.exe 18->29         started        31 powershell.exe 18->31         started        33 powershell.exe 18->33         started        71 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->71 35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 25->41         started        43 3 other processes 25->43 process8 process9 45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        51 conhost.exe 33->51         started       
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-05-06 17:30:07 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  1/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
AgentTesla Payload
AgentTesla
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
1b5da8bd8e20946c91be15ae72322cb368230d534eaac72e4776239eebc140c5
MD5 hash:
15377e26c569a0d1c2396ef6eecf7491
SHA1 hash:
2d36609e6ee18709e92df01740103bb72d6cb19a
SH256 hash:
5f275aa1357b11c69274c2744402e46f5c16521924a6e2ced1ebcc4148a59aae
MD5 hash:
131d70d2c7fc77089d335887a5b0b6a1
SHA1 hash:
3e7313235d9b7e65114095b393178f46eb00045d
SH256 hash:
9f25f493f6084e0b8f8c46b0d946962936771b9a590f91111bc1ce3519a08b82
MD5 hash:
6c77a3dc9459bf6356d08dc9d29498a6
SHA1 hash:
6cc167a9384de5afc9c709c4f2a31928a7336393
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 9f25f493f6084e0b8f8c46b0d946962936771b9a590f91111bc1ce3519a08b82

(this sample)

  
Delivery method
Distributed via web download

Comments