MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 664be65b2f620c8af70ddcf992b2a85ea9a367fafecc0bc3e3fc001552fe4940. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 664be65b2f620c8af70ddcf992b2a85ea9a367fafecc0bc3e3fc001552fe4940
SHA3-384 hash: 4d4c7c1c6746cd43b7f67c0a00ca83adf1287c95f882fc6f28612a6230a35d615ad3cd1202d5525f572479c3fb3a907a
SHA1 hash: 885deef93b421865cb9ba7416181c015cbf56c1e
MD5 hash: f22938f8b9d9f2fd5b420c5c6da73300
humanhash: hawaii-arkansas-july-pip
File name:f22938f8b9d9f2fd5b420c5c6da73300.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'648 bytes
First seen:2020-05-18 08:28:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:C63e53HHeUsLitkEJD6LpAElY1fwELTHP9aYLEbYZ4L1lbEJfq0/qWJ:C63eJneXEt6wzfHPeW4offt
Threatray 10'868 similar samples on MalwareBazaar
TLSH 56E44B3A7641A405D13D893268E56A8362B9A9433A81C34F7FDD63ACAF037CF3B15359
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject3.40108.27444.11664.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-18 12:15:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzf6mwzpmigiv5yn3t4zfmvil2u2gz7273gaxq7d7qabkux6jfaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
02cf5944c64c83a56e2614b784ffa614f080d2d6f5c2d859d667930f712b0afb
AgentTesla
134e51b800db1c1a5696a4624bc1693fab9019e81ea0a43af7067e00f6cd5b67
AgentTesla
231294166d55372b8cf4a5aba543cb6bf0ff1cdf7a0df17be4a6b5c3804b4531
AgentTesla
23b3667187a6f5abd57a39d6c91b1e7fd2d262a0cdac965e1ec368274ef465ff
AgentTesla
5d4d3a449bd4ed7a879d585c182bad5d7f0ee24d04bc862e5043c344f2bd6f86
AgentTesla
6b5edad4bbcfddc3fdc0470a560141bcec29941f860d5b149306d2c6e6b7718f
AgentTesla
a79ce2c27c0d59b3ea2746a12738e79850466f460f27d598a9d77e47a774e9a8
AgentTesla
ba4efa15d257c04c9a2cee7ba9b4deb618c77ad7afb0a42c62a6f2151d4127cc
AgentTesla
bf4c1b1e3d2c229a1238bffcf18e4b49e875f6bbe92bca5d79ab2a4ef27d0ae2
AgentTesla
cf30b045e8188ea315a78544ab537ac92dbb76032af641c6fa9c7d1f0af8c995
AgentTesla
+ 10'858 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-j4lsx5f2y6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 664be65b2f620c8af70ddcf992b2a85ea9a367fafecc0bc3e3fc001552fe4940

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments