MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37f3611503d3e8828f5acc568dc065e4fadc60558d1812d3473140d21146c0b4. 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: 37f3611503d3e8828f5acc568dc065e4fadc60558d1812d3473140d21146c0b4
SHA3-384 hash: 19857ad6b127e4b3fcda448be0e5585fc15ec46057d657e4935ac442d512069188bb8c377065094ecf73ba4b2381346a
SHA1 hash: 885f5a2b201b3378b15db3fcd56fdd4039f2a829
MD5 hash: bec15de20f59f5e5b19603396909dac5
humanhash: artist-march-five-sink
File name:opoupy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:611'328 bytes
First seen:2020-05-09 22:09:43 UTC
Last seen:2020-05-11 13:16:19 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 12288:rCRFwW+/WuSc+4ipRIRXJPRGYl67rYdZc2HXYxnutV4bQzqR4Z:rWwW+xSc+4SRk5RTGOc23Y
Threatray 10'578 similar samples on MalwareBazaar
TLSH E9D48DAC3240BA9FC417CD76C9642C24EA6070676B0BE243A51715EDAA0DFDBCF156E3
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
6
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.33805377.23223.10141.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-09 12:45:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7zwcfid2puifd22zrli3qdf4t5nyycvrumbfu2hgfaneekgyc2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3168af462696c8edf2bb2ab1537782ca60135573d977c6d3264ca2069871d9b5
AgentTesla
433a256005948d2a0fffd8379e16779050fc61c729412a9fb5932e653b098bf8
AgentTesla
4a2c1f3c1df5c34f1c99c8f7cc8b18fae2c71189e6e383face3ff7fa31224f52
AgentTesla
5d3458557fbbbb90d173421d121a336cda9d4af770eddf393f7c3705fca4862a
AgentTesla
a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606
AgentTesla
a3760f3c734ba4405374e8bc717b5472198fd3382aaaf1a89e33c8ca7b5b3d3f
AgentTesla
dff01b9f8946ed3792fe4e32ae3f95834c892f16ca219dc99d78fd15064f82a2
AgentTesla
e97971373153511aec33235be2a33ae65c3955851d8d0b5ffc1f3b75522e9c09
AgentTesla
f35fa2a6281a2a24016729d315083a638edf176a890a605dba2ac134e1733bb3
AgentTesla
ffa4e1d372fc03bb22950e80f2f7e5369824cce75ee717feff793ddf5aed34dd
AgentTesla
+ 10'568 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-tm4h7v9v1x/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
AgentTesla
CoreEntity .NET Packer
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

zip eafc20395657793bdf9c36eb3fdc41df4fb2b71aeac72aba713fcfea3795e72b

AgentTesla

Executable exe 37f3611503d3e8828f5acc568dc065e4fadc60558d1812d3473140d21146c0b4

(this sample)

  
Dropped by
MD5 eff9ad3fac5f68bbef63ec4592d279ae
  
Dropped by
SHA256 eafc20395657793bdf9c36eb3fdc41df4fb2b71aeac72aba713fcfea3795e72b
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments