MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa03fe484ef1ecfcf467e1940aff0af9ce3ca61329f461eeabcfa58caeaf65fa. 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 2 File information Comments

SHA256 hash: aa03fe484ef1ecfcf467e1940aff0af9ce3ca61329f461eeabcfa58caeaf65fa
SHA3-384 hash: 510e2ebe86836aa9110e2805a2608970f3707d764ac946c41b9f09e44b8370fa91a845bd60095887599583941a67f288
SHA1 hash: 80c6b3e55d64d6e070b8e365adb4bf2fef48461e
MD5 hash: 749dd3529f51598cf860e00ec94c93bd
humanhash: pizza-timing-beryllium-stairway
File name:8vP60HbFlryaXUJ.exe
Download: download sample
Signature AgentTesla
File size:715'264 bytes
First seen:2022-11-26 11:17:45 UTC
Last seen:2022-11-26 12:47:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:Ga7dddl4MvM08zrbETCl6gIRDPHsAOKu8FX7XCr/uaFzkkFg/IyXCD8Hk5:GaZv1U0876C8gEDH77FXL6maqkFg/IyG
Threatray 20'061 similar samples on MalwareBazaar
TLSH T19CE4BF29A2B7BE72D67CCE34C1D161087FF18F555132FA06EABF35880E027266D97249
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) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
8vP60HbFlryaXUJ.exe
Verdict:
Malicious activity
Analysis date:
2022-11-26 11:20:46 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 754299 Sample: 8vP60HbFlryaXUJ.exe Startdate: 26/11/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 9 other signatures 2->56 7 8vP60HbFlryaXUJ.exe 6 2->7         started        11 idvuBcNUb.exe 5 2->11         started        13 yGbzOMp.exe 2 2->13         started        15 yGbzOMp.exe 2->15         started        process3 file4 38 C:\Users\user\AppData\Roaming\idvuBcNUb.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp30AB.tmp, XML 7->40 dropped 42 C:\Users\user\...\8vP60HbFlryaXUJ.exe.log, ASCII 7->42 dropped 72 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 76 Writes to foreign memory regions 7->76 17 RegSvcs.exe 2 5 7->17         started        22 schtasks.exe 1 7->22         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 82 Injects a PE file into a foreign processes 11->82 24 RegSvcs.exe 4 11->24         started        26 schtasks.exe 1 11->26         started        28 conhost.exe 13->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 44 mktron.in 104.156.54.11, 49699, 49700, 587 HVC-ASUS United States 17->44 46 mail.mktron.in 17->46 36 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 17->36 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 Tries to steal Mail credentials (via file / registry access) 17->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->64 32 conhost.exe 22->32         started        48 mail.mktron.in 24->48 66 Tries to harvest and steal ftp login credentials 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->70 34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Taskun
Status:
Malicious
First seen:
2022-11-25 12:35:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
a2cec9b5c8581695cf70c730b4478c5fd6ccbd8cc504f6e517b0f7bfa9b9bff6
MD5 hash:
000a74b1f894f5fecb1ac9b67a3e9c11
SHA1 hash:
b4b5e9b327c43486c2f055706162325fb66b2665
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
aa03fe484ef1ecfcf467e1940aff0af9ce3ca61329f461eeabcfa58caeaf65fa
MD5 hash:
749dd3529f51598cf860e00ec94c93bd
SHA1 hash:
80c6b3e55d64d6e070b8e365adb4bf2fef48461e
Malware family:
AgentTesla.v3
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe aa03fe484ef1ecfcf467e1940aff0af9ce3ca61329f461eeabcfa58caeaf65fa

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments