MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f98cf2cf8e955de4ec84861e17cb41ea86226286ffe733633e3dfda5344bae32. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: f98cf2cf8e955de4ec84861e17cb41ea86226286ffe733633e3dfda5344bae32
SHA3-384 hash: 967c602889f5682678692dccd04c3e6c8be58a4e40035211b30d542bb990772fee4857603ee5e885553758315e13769f
SHA1 hash: b395e897e75a0f1c5f0e8f4a8c469dc74e030b1b
MD5 hash: fd837ca81a97309b6aa925fda15d2494
humanhash: vegan-may-arizona-red
File name:fd837ca81a97309b6aa925fda15d2494.exe
Download: download sample
Signature AgentTesla
File size:58'328 bytes
First seen:2020-12-18 07:48:35 UTC
Last seen:2020-12-18 09:59:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:hdHNDv7t6L1odZhWbjN1rk2GflvgUf2hz:hdtDv7t6LyvWbdUfq
Threatray 15 similar samples on MalwareBazaar
TLSH C3430FD0AEF8864FC02EF33D16E93502BF664D646B36CA4B5625356229D33845EDE80F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.hkoffice365.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fd837ca81a97309b6aa925fda15d2494.exe
Verdict:
Malicious activity
Analysis date:
2020-12-18 07:50:01 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
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
Sending a TCP request to an infection source
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Connects to a pastebin service (likely for C&C)
Found malware configuration
Hides threads from debuggers
Installs a global keyboard hook
May check the online IP address of the machine
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332098 Sample: MaqIUcQ58t.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 3 other signatures 2->41 7 MaqIUcQ58t.exe 15 3 2->7         started        11 WerFault.exe 2->11         started        process3 dnsIp4 27 hastebin.com 172.67.143.180, 443, 49695 CLOUDFLARENETUS United States 7->27 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Hides threads from debuggers 7->47 13 MaqIUcQ58t.exe 2 7->13         started        17 cmd.exe 1 7->17         started        19 MaqIUcQ58t.exe 7->19         started        21 MaqIUcQ58t.exe 11->21 injected signatures5 process6 dnsIp7 29 mail.hkoffice365.com 162.241.85.194, 49705, 587 OIS1US United States 13->29 31 elb097307-934924932.us-east-1.elb.amazonaws.com 54.243.119.179, 443, 49704 AMAZON-AESUS United States 13->31 33 2 other IPs or domains 13->33 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->49 51 Tries to steal Mail credentials (via file access) 13->51 53 Tries to harvest and steal ftp login credentials 13->53 55 2 other signatures 13->55 23 conhost.exe 17->23         started        25 timeout.exe 1 17->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-12-18 07:49:08 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
f98cf2cf8e955de4ec84861e17cb41ea86226286ffe733633e3dfda5344bae32
MD5 hash:
fd837ca81a97309b6aa925fda15d2494
SHA1 hash:
b395e897e75a0f1c5f0e8f4a8c469dc74e030b1b
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:MALWARE_Win_AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe f98cf2cf8e955de4ec84861e17cb41ea86226286ffe733633e3dfda5344bae32

(this sample)

  
Delivery method
Distributed via web download

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