MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75243a732e42b44aacf0afd1b74eeae51be66f8b13877563cd519b756b5fd8c2. 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: 75243a732e42b44aacf0afd1b74eeae51be66f8b13877563cd519b756b5fd8c2
SHA3-384 hash: 836e82b706cfa5629214c367d29168a0c9e1d2925b426291109b470ea3bf9ea07ecbcf36ff580e29557e0dd96f70c02f
SHA1 hash: ef0675baf81516c8110d4b804199b63bb29cf748
MD5 hash: def6466fed460c9cc6df547ceaf1a745
humanhash: mike-steak-nine-helium
File name:COVID 19 HELP DESK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:380'928 bytes
First seen:2020-05-28 08:37:54 UTC
Last seen:Never
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:udr9HCjchO8LnmQf+cLrLCkgASyghpCGF/064OvZpcisJIbxR83FDbwRtpYNw/PI:S/OGnhG6/tgAngLCGFFhpXb83FDsRtDY
Threatray 10'712 similar samples on MalwareBazaar
TLSH 00841205397A8315C4F84BF8B1A201A426F4B4362A17FA552DECF1F76B777234A468B3
Reporter abuse_ch
Tags:AgentTesla COVID-19 exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server40.a2zcreatorz.com
Sending IP: 72.18.130.122
From: afom <afom@jbsprofessionalcleaningservice.us>
Reply-To: afom@jbsprofessionalcleaningservice.us
Subject: COVID 19 HELP DESK
Attachment: COVID 19 HELP DESK...ISO (contains "COVID 19 HELP DESK.exe")

AgentTesla SMTP exfil server:
mail.haden-tours.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.fc.4709.UNOFFICIAL
Create hunting rule

Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/365464
Behaviour
Behavior Graph:
n/a
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 09:36:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
29 of 48 (60.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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42fcf6a2253cd374d0b8173e7e5278b00780bb0ddff8a3169254f2bff424f916
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c432ec5c937e35dc6d0c8634481275e5f2d1feef91506e2bed80559530b7ff1f
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dfaafd372e8caf71401e3bf8b8c32ee95a347e811a695244bc33875b3dae911b
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ea7084c6771d3582c0b95ef3cd3ce4e371cfcc7b41f358e8645e4bf4870fa2f2
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eafe80f90a3a9a02cea6165309b01aab3ab9b7eab9401342b665e8fdefc65869
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eca9c62b5b3b909e187bb118c1111cae37b93aef4eba62a452e27a69d2774020
AgentTesla
+ 10'702 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-bbxxlqme1j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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.

c6accaa02736fac0e5af3801a0e4376e

AgentTesla

Executable exe 75243a732e42b44aacf0afd1b74eeae51be66f8b13877563cd519b756b5fd8c2

(this sample)

  
Dropped by
MD5 c6accaa02736fac0e5af3801a0e4376e
  
Delivery method
Distributed via e-mail attachment

Comments