MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b
SHA3-384 hash: 2076d79c17baf4c57753980b623391245c30f5b3a989cddc6daa4627e11d6c2a4ae6aceb5d1cbb07a18c916a097aa809
SHA1 hash: 57b6cccf4084b0a4aff6d236eb6a30df4fe8029f
MD5 hash: e9901eec1af843e9546a659866270f6e
humanhash: wisconsin-hawaii-arkansas-summer
File name:Revised Order.exe
Download: download sample
Signature AgentTesla
File size:717'312 bytes
First seen:2021-10-19 03:03:17 UTC
Last seen:2021-10-20 05:28:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:dQh08OGQuZLvqJFTPH0nzwViuZhec8Ev9Qv/J7xlgQVXdTK0Yc3/jf/AzcIiOZpw:xnGQYTqrozwVlecivPOYXdTKBcPjfIg
Threatray 12'002 similar samples on MalwareBazaar
TLSH T169E4CFBA3211BEDFCD27CDB189542C509EA0B8671B1FC203A9574D6A7AEE466CF104F1
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
anti-vm obfuscated packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 505220 Sample: Revised Order.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Yara detected AgentTesla 2->64 66 9 other signatures 2->66 7 Revised Order.exe 6 2->7         started        11 DnDcR.exe 5 2->11         started        13 DnDcR.exe 4 2->13         started        process3 file4 46 C:\Users\user\AppData\...\ucluvjDNoCBwJD.exe, PE32 7->46 dropped 48 C:\Users\user\...\Revised Order.exe.log, ASCII 7->48 dropped 68 Injects a PE file into a foreign processes 7->68 15 Revised Order.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 Revised Order.exe 7->22         started        24 Revised Order.exe 7->24         started        70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->70 72 Machine Learning detection for dropped file 11->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->74 26 schtasks.exe 11->26         started        28 DnDcR.exe 11->28         started        30 DnDcR.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 50 mail.aldhiyafainteriors.com 199.188.205.66, 49843, 587 NAMECHEAP-NETUS United States 15->50 40 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 15->40 dropped 42 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 15->42 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Tries to steal Mail credentials (via file access) 15->54 56 Tries to harvest and steal ftp login credentials 15->56 58 3 other signatures 15->58 34 conhost.exe 20->34         started        36 conhost.exe 26->36         started        44 C:\Windows\System32\drivers\etc\hosts, ASCII 30->44 dropped 38 conhost.exe 32->38         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-19 01:30:36 UTC
AV detection:
10 of 45 (22.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection 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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
19a34ab6d3979923f4264411594445b9178358bca1ae860d54e18587593295dc
MD5 hash:
e2a678431366d69a54b7481fe60d7bd0
SHA1 hash:
8d59122a0dd1082b23affad81ff84254017f6a15
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
f31378192fdae5d16e6eb1def825d928878594e876bf73b9d2e1e8d87e9ab35f
MD5 hash:
1f1dc36a2498d5c927c437e1967a5157
SHA1 hash:
3c14556886f5cc125e17c43697f004140cd84d16
SH256 hash:
20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b
MD5 hash:
e9901eec1af843e9546a659866270f6e
SHA1 hash:
57b6cccf4084b0a4aff6d236eb6a30df4fe8029f
Malware family:
Agent Tesla 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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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.

Malspam

AgentTesla

Executable exe 20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments