MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aac57da228f52fbacb94f4382e5ac8eb9d702af8fa0b70237a26c4915bd53813. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aac57da228f52fbacb94f4382e5ac8eb9d702af8fa0b70237a26c4915bd53813
SHA3-384 hash: bfb256eaadeb1d1fac50a3834342b79bb83d1ce991b97ba2f32489166d096240ddf2cb8e7556cd5cd40a3d2021348b69
SHA1 hash: 7a93524228ad6db128b99f02cd09501bb1901318
MD5 hash: 34c8954a90200119a71aff28ae27c928
humanhash: wisconsin-shade-nitrogen-paris
File name:Specification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:427'520 bytes
First seen:2020-04-22 23:31:12 UTC
Last seen:2020-04-23 01:19:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:BqFp72twqmEAijUWlcoU5RhrdQjgPbJW0B0BUTwRZbFBJ8qINmjiakLj+yaNOniH:BOp7Ww5Eda5hTDYpX4ZZ
Threatray 10'808 similar samples on MalwareBazaar
TLSH FB94C05343A81D2FC48A9936596A44E60FB3E7431413E79F459D4ECF8AC9FCA8A33349
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.33706828.23730.14074.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-04-22 10:17:49 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vlcx3iri6ux3vs4u6q4c4wwi5ooxakxy7ifxai32e3cjcw6vhajq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8a5403e374994cfb807d3a14912f0afff6a0ed84b89a3dd49e70837e26424401
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a2e17761869255e493552394591dab6b9fac60b3577ec692ec47a7967238a462
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ddd78da962ab1cd6366af9c647daaa7f234e8125c62b10cab1eeb715f4c0e514
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fb936a9856ffaa4b7452aa08e50bc927f3cd41474ec5a752922ae131856b12bf
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+ 10'798 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

Executable exe aac57da228f52fbacb94f4382e5ac8eb9d702af8fa0b70237a26c4915bd53813

(this sample)

  
Delivery method
Distributed via e-mail attachment

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