MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17281e25687b88803fe21608d4c1dca23fe449075c152d97525ba6a61dc35b5c. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments 1

SHA256 hash: 17281e25687b88803fe21608d4c1dca23fe449075c152d97525ba6a61dc35b5c
SHA3-384 hash: a11af23faae2177b0c6ebc5152c17a29a3249feb7ae17c41d2018caadadb96e7d9f9c8283c7e0b468ab98ae38b8f7c1a
SHA1 hash: d4be7dec9ede8ffa6181d90ee3909b5244718d68
MD5 hash: 4eaa5904b5a727b030933d6245f081f0
humanhash: carbon-oscar-iowa-spaghetti
File name:4eaa5904b5a727b030933d6245f081f0
Download: download sample
Signature AgentTesla
File size:78'848 bytes
First seen:2022-06-23 12:45:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:FGw95x/WbdXtXqNKAuDUaQl+kzdC9GiZQWSwi/fUpS/fX/MNf:h5QAuis1Jy///f/M9
Threatray 18'796 similar samples on MalwareBazaar
TLSH T17173AF0579FC893EF25C8B76EBE2C546126993C16922C9157F3B220B19D339BCDD8908
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0c3259796961b24c (12 x RemcosRAT, 11 x Formbook, 6 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
DNS request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed vidar wacatac
Result
Verdict:
SUSPICIOUS
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
Creates multiple autostart registry keys
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 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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 651137 Sample: hHigEd4Atp Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 60 stackoverflow.com 2->60 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected AgentTesla 2->78 80 6 other signatures 2->80 8 hHigEd4Atp.exe 16 7 2->8         started        13 Vayygdq.exe 14 4 2->13         started        15 InxbcD.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 66 151.101.1.69 FASTLYUS United States 8->66 68 151.101.129.69 FASTLYUS United States 8->68 72 4 other IPs or domains 8->72 54 C:\Users\user\AppData\Roaming\...\Vayygdq.exe, PE32 8->54 dropped 56 C:\Users\user\...\Vayygdq.exe:Zone.Identifier, ASCII 8->56 dropped 58 C:\Users\user\AppData\...\hHigEd4Atp.exe.log, ASCII 8->58 dropped 96 Creates multiple autostart registry keys 8->96 98 Writes to foreign memory regions 8->98 100 Injects a PE file into a foreign processes 8->100 19 InstallUtil.exe 2 4 8->19         started        24 cmd.exe 1 8->24         started        70 162.159.133.233, 443, 49841, 49858 CLOUDFLARENETUS United States 13->70 102 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->102 104 Machine Learning detection for dropped file 13->104 106 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->106 26 Vayygdq.exe 13->26         started        28 cmd.exe 13->28         started        30 conhost.exe 15->30         started        32 cmd.exe 17->32         started        34 conhost.exe 17->34         started        file6 signatures7 process8 dnsIp9 62 us2.smtp.mailhostbox.com 208.91.199.223, 49840, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->62 48 C:\Users\user\AppData\Roaming\...\InxbcD.exe, PE32 19->48 dropped 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->82 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->84 86 Tries to steal Mail credentials (via file / registry access) 19->86 94 2 other signatures 19->94 36 conhost.exe 24->36         started        38 timeout.exe 1 24->38         started        64 208.91.199.225, 49903, 587 PUBLIC-DOMAIN-REGISTRYUS United States 26->64 50 C:\Users\user\...\InxbcD.exe:Zone.Identifier, ASCII 26->50 dropped 52 C:\Users\user\AppData\...\tmpG223.tmp (copy), PE32 26->52 dropped 88 Tries to harvest and steal ftp login credentials 26->88 90 Tries to harvest and steal browser information (history, passwords, etc) 26->90 92 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->92 40 conhost.exe 28->40         started        42 timeout.exe 28->42         started        44 conhost.exe 32->44         started        46 timeout.exe 32->46         started        file10 signatures11 process12
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-06-23 12:46:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Delays execution with timeout.exe
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
17281e25687b88803fe21608d4c1dca23fe449075c152d97525ba6a61dc35b5c
MD5 hash:
4eaa5904b5a727b030933d6245f081f0
SHA1 hash:
d4be7dec9ede8ffa6181d90ee3909b5244718d68
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_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Web download

AgentTesla

Executable exe 17281e25687b88803fe21608d4c1dca23fe449075c152d97525ba6a61dc35b5c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-23 12:45:13 UTC

url : hxxp://23.94.159.198/Xpnwpn.exe