MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04f3b12cf1303fb88a6200a17bafdf5c8868665cd0fb97ffdcc986a1f66cd0fe. 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: 04f3b12cf1303fb88a6200a17bafdf5c8868665cd0fb97ffdcc986a1f66cd0fe
SHA3-384 hash: b72b8de3638449b82e5062cc8a04940785ef27109f2558892d80a4afb135f3fd0971956bb7426de87493fa080504b0da
SHA1 hash: 45205f4d1a09c7a9078a184d4dc0dda2e5ba1343
MD5 hash: 8c095e4a32dbed3823d430fab480341c
humanhash: connecticut-california-network-massachusetts
File name:Specification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:448'000 bytes
First seen:2020-06-04 07:23:12 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 12288:Ds9HkgZJPdlZsUNKgt8Xh7jmgYQ2DTZLq:kHkg3Vlmgt8XtmgePZm
Threatray 10'730 similar samples on MalwareBazaar
TLSH 7294E011BBAC9CA7E2BD28F449C2544217F7D11965ABF2DD4CD360DE79E2F810E10A87
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: anchorallied.com
Sending IP: 209.58.149.66
From: Abbas Vahora<purchase@anchorallied.com>
Subject: Specification
Attachment: Specification.cab (contains "Specification.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-04 07:37:04 UTC
AV detection:
21 of 31 (67.74%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=atz3clhrga73rctcacqxxl67lsegqzs42d5zp764zgdkd5tm2d7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ac15b0e93badb8bda06e37479e1de1e84e727106cdbe42b8cfe6bdb3bb9e035c
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c7aadd32893368bb3c36a7bafac33da14f93ebf8397f7da13e1d86caa45fccd3
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AgentTesla
+ 10'720 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-jptdpmxaya/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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: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

cab 53d2c44cfae85631f6e45de9717e2b08b8185a01343eb3e9cb0060be8abe4007

AgentTesla

Executable exe 04f3b12cf1303fb88a6200a17bafdf5c8868665cd0fb97ffdcc986a1f66cd0fe

(this sample)

  
Dropped by
MD5 be2f14ac06aab883c18f84faf2636ff1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 53d2c44cfae85631f6e45de9717e2b08b8185a01343eb3e9cb0060be8abe4007

Comments