MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28a4e59984b5e7acd8a381065a41b61ec4459a7209f1dd8cefb95792dbcc4e6a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 28a4e59984b5e7acd8a381065a41b61ec4459a7209f1dd8cefb95792dbcc4e6a
SHA3-384 hash: 2e6a82a4255958e8b2f440291b1264f6fa61077f6d557a50312237d6e10b62ed2bf9a46f5c269f39e235a8fe4c1de418
SHA1 hash: b456f6c1bf30146f9250625ec84a5c5f43ed5e1c
MD5 hash: 133308aaf3f4f13325bb6e3564fc0159
humanhash: mike-freddie-saturn-nuts
File name:Payment SWIFT.exe
Download: download sample
Signature AgentTesla
File size:467'968 bytes
First seen:2021-11-09 11:24:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zvqJFTP5xA7qoZLlA03EgpuxIMQTKqd11x+YGYElS:zvqfAWulUjxIB/yYGYH
Threatray 13'819 similar samples on MalwareBazaar
TLSH T18DA4D0774113EEDAEF7A5FF8991035800EE538239B3ED285EE8E41A221F6961CF50D91
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Executable has a suspicious name (potential lure to open the executable)
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
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: Suspicius Add Task From User AppData Temp
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 518420 Sample: Payment SWIFT.exe Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 41 mail.cuysahnu.com 2->41 53 Found malware configuration 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 13 other signatures 2->59 8 Payment SWIFT.exe 6 2->8         started        12 Qjoktvc.exe 5 2->12         started        14 Qjoktvc.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\RoamingSvLuOVn.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmp507B.tmp, XML 8->37 dropped 39 C:\Users\user\...\Payment SWIFT.exe.log, ASCII 8->39 dropped 61 Injects a PE file into a foreign processes 8->61 16 Payment SWIFT.exe 2 5 8->16         started        20 schtasks.exe 1 8->20         started        63 Multi AV Scanner detection for dropped file 12->63 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->67 69 2 other signatures 12->69 22 Qjoktvc.exe 2 12->22         started        25 schtasks.exe 1 12->25         started        signatures6 process7 dnsIp8 31 C:\Users\user\AppData\Roaming\...\Qjoktvc.exe, PE32 16->31 dropped 33 C:\Users\user\...\Qjoktvc.exe:Zone.Identifier, ASCII 16->33 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->45 47 Tries to steal Mail credentials (via file / registry access) 16->47 49 Tries to harvest and steal ftp login credentials 16->49 51 2 other signatures 16->51 27 conhost.exe 20->27         started        43 192.168.2.1 unknown unknown 22->43 29 conhost.exe 25->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-08 09:55:45 UTC
AV detection:
24 of 28 (85.71%)
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 SetWindowsHookEx
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
91662bf50f35846054f182ad863d4c0dc24fd9ec528cfd7912bbba5b2bb3bd5e
MD5 hash:
9af44e52f88440099476bbc5ac4aba72
SHA1 hash:
48c83da44d0ba8c59c12564d63f0abb290e74d07
SH256 hash:
063ecc24ad23fad230896ac0cb8370aea01014c9438f721f46bd7b014f9335ea
MD5 hash:
05e118fe39e23d8da15a0ba5e9b038eb
SHA1 hash:
3fb4053fc9e986ba2db7b404d9491c8951eefd89
SH256 hash:
28a4e59984b5e7acd8a381065a41b61ec4459a7209f1dd8cefb95792dbcc4e6a
MD5 hash:
133308aaf3f4f13325bb6e3564fc0159
SHA1 hash:
b456f6c1bf30146f9250625ec84a5c5f43ed5e1c
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 28a4e59984b5e7acd8a381065a41b61ec4459a7209f1dd8cefb95792dbcc4e6a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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