MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8f8510cba7bf3a1af68bd76428a0fcaaf0cce231d22c366d49926122a2fb439. 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 2 File information Comments

SHA256 hash: c8f8510cba7bf3a1af68bd76428a0fcaaf0cce231d22c366d49926122a2fb439
SHA3-384 hash: f0219d920e5de76875de2785665edb9727de08e3af9798224b4b2ea4c46ca1076076bffad6e985d6fecf4d88623ac2a8
SHA1 hash: 06cfbf0af5ab9edc688ce9ef6a8ccb41bf3b3533
MD5 hash: d08412601dc64d6dc5e3945d550ad9a9
humanhash: zebra-alabama-steak-washington
File name:d08412601dc64d6dc5e3945d550ad9a9.exe
Download: download sample
Signature AgentTesla
File size:757'248 bytes
First seen:2021-05-27 19:16:48 UTC
Last seen:2021-05-27 20:19:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GUGfvdnLnDy165y8aaYYI/Oy6h5JFvbB39y+:GhdLDh5yngXJFvZ
Threatray 58 similar samples on MalwareBazaar
TLSH A7F48D1C25688616E5ACD2B88DD5D42BD250F9377112FFE8E8E703B91B07A4379821BF
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MADINA GROUP RFQ for PIPES.doc
Verdict:
Malicious activity
Analysis date:
2021-05-27 11:58:47 UTC
Tags:
exploit CVE-2017-11882

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
Sending a UDP request
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
.NET source code contains very large strings
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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: 425824 Sample: xkMsAjl6UF.exe Startdate: 27/05/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 8 xkMsAjl6UF.exe 7 2->8         started        process3 file4 22 C:\Users\user\AppData\...\oEhXNDYxbYiRk.exe, PE32 8->22 dropped 24 C:\...\oEhXNDYxbYiRk.exe:Zone.Identifier, ASCII 8->24 dropped 26 C:\Users\user\AppData\Local\...\tmp98A6.tmp, XML 8->26 dropped 28 C:\Users\user\AppData\...\xkMsAjl6UF.exe.log, ASCII 8->28 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Contains functionality to register a low level keyboard hook 8->44 46 2 other signatures 8->46 12 xkMsAjl6UF.exe 6 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 30 mail.privateemail.com 198.54.122.60, 49714, 49715, 587 NAMECHEAP-NETUS United States 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 2 other signatures 12->54 18 conhost.exe 16->18         started        signatures8 process9 process10 20 conhost.exe 18->20         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-27 15:12:41 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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: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.

Web download

AgentTesla

Executable exe c8f8510cba7bf3a1af68bd76428a0fcaaf0cce231d22c366d49926122a2fb439

(this sample)

  
Delivery method
Distributed via web download

Comments