MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfb24eeee1fb9753433c3eeaf857ddc8f33512866a40ff22daf6c203adeee62d. 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 8 File information Comments

SHA256 hash: cfb24eeee1fb9753433c3eeaf857ddc8f33512866a40ff22daf6c203adeee62d
SHA3-384 hash: dda734e5989ee892c3009d6cd3ac6cf4c338d6518c96748b2755b0b02e79803342d133d699d1c55f1d4acba3b09d1646
SHA1 hash: a4c46767fc98dfde82edbef43100d692a29cafc2
MD5 hash: 289033f6b4511d9ac5a9c42efb419d91
humanhash: alaska-bakerloo-orange-ink
File name:36090001666577.exe
Download: download sample
Signature AgentTesla
File size:919'040 bytes
First seen:2021-10-04 03:32:06 UTC
Last seen:2021-10-04 04:42:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:+3lK8FluRs7Z8z4asvs1drdyImcHFebpvqg3jkj2K046Mnq0UnsO5lJkKzUvoPUh:04GDseiAtRlPh74u
Threatray 10'594 similar samples on MalwareBazaar
TLSH T1FA15099013CB9EC4F07B6334B0111CE7A6FE660DE379CB15699A3AD78DB6B40461DB88
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
36090001666577.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-04 03:35:35 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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)
Machine Learning detection for sample
Modifies the hosts 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)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-04 02:47:15 UTC
AV detection:
11 of 44 (25.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Malware Config
C2 Extraction:
https://api.telegram.org/bot1335107831:AAGZPoo67JukV78LJI16BeQqy3whx-zI59g/sendDocument
Unpacked files
SH256 hash:
eecb1fe04ca75a75a0c5daee70f6904d47f6b7945ce80d36ece3638bdd30584b
MD5 hash:
913cccd28ed309797d81d3e799150c25
SHA1 hash:
c521f2c504b83c4c7df0d26e02e5a546d6c42b3d
SH256 hash:
60bc8c9f7aba6f4858f9af974c28d43c15556a9e351434abdb2bad16f88ca412
MD5 hash:
302d0fa1e5c8acbb12babd892809c9ca
SHA1 hash:
90da65889fb5a5325a3ca7a6388d69704ad952f5
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
cfb24eeee1fb9753433c3eeaf857ddc8f33512866a40ff22daf6c203adeee62d
MD5 hash:
289033f6b4511d9ac5a9c42efb419d91
SHA1 hash:
a4c46767fc98dfde82edbef43100d692a29cafc2
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:Telegram_Exfiltration_Via_Api
Author:lsepaolo
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 cfb24eeee1fb9753433c3eeaf857ddc8f33512866a40ff22daf6c203adeee62d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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