MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfc138570b51bba045eeef3a8e6c668d4103a40be2023ad89388d99668aa31e4. 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: cfc138570b51bba045eeef3a8e6c668d4103a40be2023ad89388d99668aa31e4
SHA3-384 hash: f658c035804a71906c8ca195396bec264042d441692ef4ee67b333a80b2aa124989c701af7b3745bab498bb17084d97c
SHA1 hash: 267eb4ca66a1cdc86cb16d1289ce22b3139fbc1c
MD5 hash: cc04a8ffe793bf39a3c717e0d837ce2e
humanhash: cardinal-lemon-violet-fifteen
File name:Shipping Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:491'520 bytes
First seen:2020-06-11 18:30:40 UTC
Last seen:2020-06-11 19:51:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:PLBxB1yomPpykuYKFapEMY/IJhwYapBIYgDhN2vKzX:rBRmPckuYKFSEzIJhwYe
Threatray 10'646 similar samples on MalwareBazaar
TLSH 07A4BE9C32A075DFC86BCD77DAA42C64EA207477930BD603A05311AD9A0DA9BCF149F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.bontechnologies.com
Sending IP: 46.4.133.15
From: \Gurpreet Singh. Bhullar\ <snr@tassgroup.com>
Subject: RE: Shipping Documents
Attachment: Shipping Documents.gz (contains "Shipping Documents.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9053/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.27442.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-11 18:32:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7atqvylkg52arpo545i43dgrvaqhjal4ibdvwetrdmzm2fkghsa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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c313c4dbd077198dd216a48665520ba44b3a55c3d8c505d587ad66dea594bdd1
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c848b97042daef40ec3a4534fb3f3ad9bb7bc389c89ca6c8ff5a7f4096588720
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cc91a6a8c27e8a13a4d8e7073d82ecee7a9785427f3fea11e18590599a0f59c3
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f49917c2ce68563710e7d801c8a5793a592cc03a7cf803740195acf55ea11ae6
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AgentTesla
+ 10'636 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-t4xg5sr9yx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
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

gz 5cda2424afdc68eeef6008ce4e973ce3741a4b1be6964b76676202f64a99cbc6

AgentTesla

Executable exe cfc138570b51bba045eeef3a8e6c668d4103a40be2023ad89388d99668aa31e4

(this sample)

  
Dropped by
MD5 c1f9aa29117248a480f07aaa27dc4bc4
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5cda2424afdc68eeef6008ce4e973ce3741a4b1be6964b76676202f64a99cbc6
Cape
Cape
https://www.capesandbox.com/analysis/9053/

Comments