MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcea2d4e1855ee821555ad4efff4330af42205dcb1ccc915374fdfaaced010b2. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcea2d4e1855ee821555ad4efff4330af42205dcb1ccc915374fdfaaced010b2
SHA3-384 hash: 082c454058b28e667ef1306c6e1b7d610ea99bddfcb477694871a61664df2919828b01d75d5bbde37072de1075d7878b
SHA1 hash: 25cfd6d06233bb4fa1c49567e89ddb4f38a79378
MD5 hash: 137f2d9d943cc8a19a842c6221c75609
humanhash: lactose-monkey-pennsylvania-pluto
File name:DOC-008.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'960 bytes
First seen:2020-07-21 07:26:32 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 12288:xjD9fx7oqF/UEJUOfS2I1k/ppwhJZCYWb7M:xjD9ho9EJathnm7M
Threatray 10'872 similar samples on MalwareBazaar
TLSH B2057D3C3A426814D53E453388A46AD1A7B5A58B3E51CF4F39C62B2C5F132CB3B46A5F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
trickpamb.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29795/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/392712
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248600 Sample: DOC-008.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 84 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 .NET source code contains very large array initializations 2->41 43 Machine Learning detection for sample 2->43 7 DOC-008.exe 5 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 29 C:\Users\user\...\SkyEmailVerifier1.exe, PE32 7->29 dropped 31 C:\...\SkyEmailVerifier1.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\DOC-008.exe.log, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->35 dropped 51 Drops PE files to the document folder of the user 7->51 15 cmd.exe 1 7->15         started        17 SkyEmailVerifier1.exe 7->17         started        19 SkyEmailVerifier1.exe 1 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        27 InstallUtil.exe 2 17->27         started        45 Multi AV Scanner detection for dropped file 19->45 47 Machine Learning detection for dropped file 19->47 process8 signatures9 49 Creates an autostart registry key pointing to binary in C:\Windows 22->49
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dcea2d4e1855ee821555ad4efff4330af42205dcb1ccc915374fdfaaced010b2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:28:11 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tvc2tqykxxiefkvvvhp75btbl2cebo4whgmsfjxj7p2vtwqccza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'862 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200721-zekxsgrk8n/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/dcea2d4e1855ee821555ad4efff4330af42205dcb1ccc915374fdfaaced010b2

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

Executable exe dcea2d4e1855ee821555ad4efff4330af42205dcb1ccc915374fdfaaced010b2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29795/

Comments