MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 586f2a10cc5842868b0e44f88871f55d3ea0cee6a882589df7d2bfd6fa9adb07. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: 586f2a10cc5842868b0e44f88871f55d3ea0cee6a882589df7d2bfd6fa9adb07
SHA3-384 hash: 820e7481c66a94d8ac49d8e4262257ad92bb3bc25c8ea72e074ced16952fcb88fb4b777e046a43f527e6e61074c473ee
SHA1 hash: d2fc1890a88fe5b4f859784c90b799ebcdf41f57
MD5 hash: 1664b0b63f8ca53933ae2cdefc400bd0
humanhash: high-item-happy-virginia
File name:1664b0b63f8ca53933ae2cdefc400bd0.exe
Download: download sample
Signature AgentTesla
File size:21'704 bytes
First seen:2020-10-02 15:26:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:sRICY93i2xtVdZgGRK7XFgNthDgf2hPAJ1E:sRICY9i4VbOVgbhUf2hII
TLSH 4FA2A52966C10602F6AA7F74A6DF4E919BF0F4C3F6B3819F979662035FC1B404F45292
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 292642 Sample: fFzQayGWyW.exe Startdate: 02/10/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 5 other signatures 2->42 7 fFzQayGWyW.exe 15 2 2->7         started        process3 dnsIp4 26 pastebin.com 104.23.98.190, 443, 49725 CLOUDFLARENETUS United States 7->26 28 192.168.2.1 unknown unknown 7->28 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->46 48 Contains functionality to register a low level keyboard hook 7->48 50 3 other signatures 7->50 11 fFzQayGWyW.exe 6 7->11         started        15 WerFault.exe 23 9 7->15         started        18 timeout.exe 1 7->18         started        20 fFzQayGWyW.exe 7->20         started        signatures5 process6 dnsIp7 30 smtp.stevenlkornsteinlawfirm.com 11->30 32 us2.smtp.mailhostbox.com 208.91.198.143, 49743, 49744, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->32 34 3 other IPs or domains 11->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->52 54 Tries to steal Mail credentials (via file access) 11->54 56 Tries to harvest and steal ftp login credentials 11->56 58 2 other signatures 11->58 24 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->24 dropped 22 conhost.exe 18->22         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-02 15:28:06 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Unpacked files
SH256 hash:
586f2a10cc5842868b0e44f88871f55d3ea0cee6a882589df7d2bfd6fa9adb07
MD5 hash:
1664b0b63f8ca53933ae2cdefc400bd0
SHA1 hash:
d2fc1890a88fe5b4f859784c90b799ebcdf41f57
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: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.

Comments