MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e6f297527e6eb70b658b01c08cf16d6e88a1d5716eaf2f3162ab5b972112ba9. 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: 8e6f297527e6eb70b658b01c08cf16d6e88a1d5716eaf2f3162ab5b972112ba9
SHA3-384 hash: 1c0676f2ede608e23bbdb95920c234374ffd5a521514a66b35601806e74e528b7d4cbd7ee2e69445bb0c14bbb6df4e51
SHA1 hash: 8587a983c40ce23c425d2293b5b64a57356414a4
MD5 hash: 0b5190a8e05ef51cf9acedd6c9d87429
humanhash: uniform-finch-stream-speaker
File name:Xerox_Scan_Covid-19_Urgent information letter.xlxs.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:852'992 bytes
First seen:2020-04-20 17:51:23 UTC
Last seen:2020-04-20 19:21:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4AKgkGTYKZh7ThGW8YZxouoaN1Ov3/Bu7kgF9GynNbHjwxJdL2w+JTHQW8lFX3Ze:47tYGWrZxAwOPBuPF9ZFDah
Threatray 11'018 similar samples on MalwareBazaar
TLSH F10539AC36A0719ED473DE768EE82C64EA257477A71BC20B505302DD8A0DB87DF106B7
Reporter abuse_ch
Tags:AgentTesla COVID-19 exe


Avatar
abuse_ch
COVID-19 themed malspam distributing AgentTesla:

HELO: linux887.grserver.gr
Sending IP: 185.4.133.240
From: WORLD HEALTH ORGANIZATION (WHO) <healthcaresupport@who.int>
Subject: URGENT INFORMATION LETTER:COVID-19 OUTBREAK/ NEW VACCINES/AVAILABLE DRUGS
Attachment: Xerox_Scan_Covid-19_Urgent information letter.xlxs.iso (contains "Xerox_Scan_Covid-19_Urgent information letter.xlxs.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587 (77.88.21.158)

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/1624/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.cc.5191.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-04-20 18:35:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rzxss5jh43vxbnsywaoartyw23uiuhkxc3vpf4ywfk23s4qrfouq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 11'008 additional samples on MalwareBazaar
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

iso 27d29db4c722cc569a40d924812e965f363c73d0d14833fd05e57e695e8fd7cb

AgentTesla

Executable exe 8e6f297527e6eb70b658b01c08cf16d6e88a1d5716eaf2f3162ab5b972112ba9

(this sample)

  
Dropped by
SHA256 27d29db4c722cc569a40d924812e965f363c73d0d14833fd05e57e695e8fd7cb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
MD5 19c6791ca532f886a0be7e666d4d8af0
Cape
Cape
https://www.capesandbox.com/analysis/1624/
Cape
Cape
https://www.capesandbox.com/analysis/1623/
Cape
Cape
https://www.capesandbox.com/analysis/1621/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments