MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f6704f7b3f314f6d7d076dbdc4576d3a9c91cbf5f7a497f2e8f3dd306d7c05. 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 4 File information Comments

SHA256 hash: 66f6704f7b3f314f6d7d076dbdc4576d3a9c91cbf5f7a497f2e8f3dd306d7c05
SHA3-384 hash: 0f600c489cd0ecfd4c54bd71cadb5bcf3a7b32218671fa0d0c76abb20be2df727fd3983f139cf5929570bad92cc58505
SHA1 hash: 9376b278b3a14de66dbae8fb0a93533c25b8e993
MD5 hash: f457f3699c8b045dace7e8ca652b7afa
humanhash: muppet-echo-sodium-bacon
File name:xGbEYG4nMgOeWco.exe
Download: download sample
Signature AgentTesla
File size:827'392 bytes
First seen:2022-02-11 09:18:05 UTC
Last seen:2022-02-11 15:59:52 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 24576:xRnqCt2h9PdRtHAZQ7per/q4A6OztGJzDebF0dAYgn:xx/2h9xcQ70rq2JzCKdA
Threatray 14'502 similar samples on MalwareBazaar
TLSH T12C05F1AC766472DFC857C53AD9A82C69A660603B630FA34B901350ED9E4DAD3CF150F7
File icon (PE):PE icon
dhash icon f0c4b2d4f0a2ccf0 (25 x AgentTesla, 9 x Formbook, 6 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.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
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-11 09:18:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
3c3f73ecaf6c1371f1c9e031fdfe2a834052ce2494a52c797ae4f7fafd15b984
MD5 hash:
0e5dd1bf842fadecb08b7d21fb047a5c
SHA1 hash:
fae4f3805cacd2ea4020443c9319c11fa1a88da1
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
SH256 hash:
80e65b48ea5f7198feb98c4b3787cba81602c87513d16767e1debc9ad4a80eb8
MD5 hash:
08c86c85b93870d3a5075e054feda232
SHA1 hash:
6835a644f1bc8ecdecc2bb05ebd13c87e1294a93
SH256 hash:
5fd39f23162ecbdf3e7824c6718c10226072248ed5e248637bc01d48a79bec81
MD5 hash:
72d6264d8f7716be77037d5120606c5c
SHA1 hash:
03618f10e5e6ad58fde4a14d7998a399e58319af
SH256 hash:
66f6704f7b3f314f6d7d076dbdc4576d3a9c91cbf5f7a497f2e8f3dd306d7c05
MD5 hash:
f457f3699c8b045dace7e8ca652b7afa
SHA1 hash:
9376b278b3a14de66dbae8fb0a93533c25b8e993
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:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
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.

Malspam

AgentTesla

Executable exe 66f6704f7b3f314f6d7d076dbdc4576d3a9c91cbf5f7a497f2e8f3dd306d7c05

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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