MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1356a4ee42e9568831bf6b92bb9a5500b779614436bca52f0ee64e98ff0eaf7. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1356a4ee42e9568831bf6b92bb9a5500b779614436bca52f0ee64e98ff0eaf7
SHA3-384 hash: 82d2f0a3a6170d16eb05d25775a07d27e18362a3bd4719db27ecedd859330f8680204fd5ec0ef8feb2a777ee04b72520
SHA1 hash: 77da6d4e4ea6d81eba8904627f4daccc1329df24
MD5 hash: 0098e0da438cbbb9962645bcf5118ee4
humanhash: may-pizza-foxtrot-washington
File name:20200615.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:837'632 bytes
First seen:2020-06-15 13:11:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3d+fX3fxiJX+Ots1sjCfAH2rOt7+I9pe5ReJa8UcjFVNvquCSgngIx:3Uf/xs+Es1vGJ+IogXVNvquI
Threatray 10'719 similar samples on MalwareBazaar
TLSH 2A05AF312FADDD3BD06F8BB9F1421258F5E6CD5A5E8B8A89C87D11E6C433BC0B812516
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic316-49.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.187.175
From: krishna SWAMY <instick2002@yahoo.com>
Subject: Fwd: Re: Re: Re: 26136 PI 20296629 SO 40129429 Order Balance Due
Attachment: 20200615.rar (contains "20200615.exe")

AgentTesla SMTP exfil server:
mail.mail15.cp247.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10435/
Gathering data
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-06-15 13:13:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ue2wutxef2kwray3624sxonfkafxpfquinv4uuxq5zsotd7q5l3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
13de330252e10916e2ff42b6df10cbf4a83f8709e01a5898e92247e8f100e555
AgentTesla
29248b93be8ee007445acd823729a34257c3a7e15ab45c2ae0b3e5a80512700e
AgentTesla
587e7c6de6a712aecaeb649d0f556758fa2b30358caa97c173b08f6aab089f96
AgentTesla
96660284280b95d52597a3a55d68b8f2420dac6c407faeadf0113b198324e0f2
AgentTesla
9a8ca6ef663619da6d777ae275873a7b1ec1558746e7c6f4d29b9c5fc205e76b
AgentTesla
9c1aaf3c45fa0ef5dedb8d4c4eb369351813576318f866f6c0985ba072dd3494
AgentTesla
ddef618a8a5edbda2aad2dba2eac7de1d0f7a4e31cc4bebb9f2b6b4dd43d0174
AgentTesla
e715f641963c52fe1d33fc6ec7cdecde1d6cdde26cace5ce1d956dc482d1829b
AgentTesla
fcd24015aa8e78a2077130eb52d1409d8099851104792fd40ae276f30e319497
AgentTesla
ff583744bbde75e4f9bd3ea064343294e2e702ea6938c5f87700f1645c3c6a93
AgentTesla
+ 10'709 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-mm35j71nka/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables RegEdit via registry modification
Disables Task Manager via registry modification
AgentTesla Payload
ServiceHost packer
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.

Malspam

AgentTesla

rar b9876f6f78e37db295bdfd89f311888c9d2c2907d1e9ecf3866a1c0a0096325d

AgentTesla

Executable exe a1356a4ee42e9568831bf6b92bb9a5500b779614436bca52f0ee64e98ff0eaf7

(this sample)

  
Dropped by
MD5 335ee3ba884945a02c07d6a3f20da61d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b9876f6f78e37db295bdfd89f311888c9d2c2907d1e9ecf3866a1c0a0096325d
Cape
Cape
https://www.capesandbox.com/analysis/10435/

Comments