MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d835ccaee0da78b01a8e8b1d738f195c8fc08ddcfa7da17223645a2bf47df04. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 1d835ccaee0da78b01a8e8b1d738f195c8fc08ddcfa7da17223645a2bf47df04
SHA3-384 hash: b3f681155329e14e130d82645d945a5dd12007080a191546e2a820c33601550787d0f621a23d20a28b4e5e03f94104f7
SHA1 hash: a5cd6ff71ac73831a8c0c65a98b6235f5148d9f2
MD5 hash: 109f44025e9798675d4b73a53f3c266e
humanhash: sink-lithium-fillet-spaghetti
File name:Packing List.exe
Download: download sample
Signature AgentTesla
File size:481'280 bytes
First seen:2020-08-17 08:08:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:DvwFOEscLybSvh+/9gqpU3TD4EcmZHAFaxmVmie9bngPvvo:Tw3Suh+FBUDD4EcmZHAFaxmVmie9bngP
Threatray 10'653 similar samples on MalwareBazaar
TLSH 2BA47B4A38D0E3DED1E64FB948149C1627FA2F1A02169A0FCC6B39D773D9BC2BD24456
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: abaad.om
Sending IP: 37.49.230.200
From: Syamkumar Korat <syam.kumar@abaad.om>
Subject: Bank Transfer Advice
Attachment: Packing List.Z (contains "Packing List.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
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
Moves itself to temp directory
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268721 Sample: Packing List.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Sigma detected: Scheduled temp file as task from temp location 2->68 70 Yara detected AgentTesla 2->70 72 7 other signatures 2->72 7 Packing List.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 2->13         started        process3 file4 40 C:\Users\user\AppData\Roaming\VofGbcsZ.exe, PE32 7->40 dropped 42 C:\Users\...\VofGbcsZ.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp45ED.tmp, XML 7->44 dropped 46 C:\Users\user\...\Packing List.exe.log, ASCII 7->46 dropped 74 Injects a PE file into a foreign processes 7->74 15 Packing List.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->76 78 Machine Learning detection for dropped file 11->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->80 22 YYtJku.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        26 schtasks.exe 13->26         started        28 YYtJku.exe 13->28         started        signatures5 process6 dnsIp7 48 threewaystoharems.com 192.254.236.251, 49730, 49738, 587 UNIFIEDLAYER-AS-1US United States 15->48 50 mail.threewaystoharems.com 15->50 36 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->36 dropped 38 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->38 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Moves itself to temp directory 15->56 58 Tries to steal Mail credentials (via file access) 15->58 30 conhost.exe 20->30         started        52 mail.threewaystoharems.com 22->52 60 Tries to harvest and steal ftp login credentials 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->64 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-17 08:10:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 1d835ccaee0da78b01a8e8b1d738f195c8fc08ddcfa7da17223645a2bf47df04

(this sample)

  
Delivery method
Distributed via e-mail attachment

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