MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7a7aab77c51aa47002d095884315b579779d134a893ec6270b4e2ea83bfc921. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7a7aab77c51aa47002d095884315b579779d134a893ec6270b4e2ea83bfc921
SHA3-384 hash: 9788ce1a81e37cfe274416689f296fffb707d6e9ec7d01ac4afadb8a71dc2b8ab2137e574e4f2c9daa5b956ec7be63a4
SHA1 hash: c66c2ae7e13d7690e2e9ab9d3eb44dc3085def77
MD5 hash: 36d9a9a7eb556afd4cd1e68dfb408d57
humanhash: texas-sierra-sad-blue
File name:Ref scan_07_020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:955'904 bytes
First seen:2020-07-13 11:18:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2a2488d4e6117f1c1c09ec31ad2be7a6 (9 x AgentTesla, 6 x MassLogger, 1 x FormBook)
ssdeep 24576:7ivyudcBzOliBaw2xw6/czfM0y5+/2jPdiS:7Is2czfM0y51PMS
Threatray 11'827 similar samples on MalwareBazaar
TLSH 90159D22F6918433C6732A3C9D5B97745C2AFE10EE28E94A2BF45D8C4F7968134352E7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dm.net.lb
Sending IP: 95.211.208.25
From: Account Assistant <becricoh@dm.net.lb>
Subject: Editing Remittance Form
Attachment: Ref scan_07_020.iso (contains "Ref scan_07_020.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/25216/
Detection(s):
SecuriteInfo.com.Adware.Generic4.BBFB.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a7a7aab77c51aa47002d095884315b579779d134a893ec6270b4e2ea83bfc921/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 11:20:10 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6t2vn34kgveoabnbfmiimk3k6lxtujuvcj6yytqwtrova57zeqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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80a345dada3e47bc31a22c887b25df623f79407e25f86e04beb1711732dabbef
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94dc52733c22b1d6206cc50a5928387dda3a096256c69a8f84ee59b0f4367bac
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bb21ce06094557cbe5e86781ed3d5fa92edaea51761bd1a0b4f9a58a7ad3b30b
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bbbfb4d66a6d1ff1fb9f476cc8607a2a0b1a0bb27bdaba095a3715489d8e4315
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cf02bb3aa058cc571d6c3368f98a96fefa3db05a813ea479d002edc1c3cbdb95
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AgentTesla
+ 11'817 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200713-edvn6kafs2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
UPX packed file
AgentTesla
Malware family:
AgentTesla.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a7a7aab77c51/report/overview.html
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

iso fdc0489b3d882f75975175215911bdb231d9dc114519df541cc9f3073e65ac69

AgentTesla

Executable exe a7a7aab77c51aa47002d095884315b579779d134a893ec6270b4e2ea83bfc921

(this sample)

  
Dropped by
MD5 bcd52cecdee772e33a1df128bfdc70b5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25216/
  
Dropped by
SHA256 fdc0489b3d882f75975175215911bdb231d9dc114519df541cc9f3073e65ac69

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