MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a63ac2c19153c340a54a2be27ac53722f5c5a653fd851b32931add8fe353c6c3. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a63ac2c19153c340a54a2be27ac53722f5c5a653fd851b32931add8fe353c6c3
SHA3-384 hash: 2303b09a91cefed52ee8093923969879e3a3ee3d3a004ab936775e66db449e3dcba309066ecb25e4af64b5cc85965fdb
SHA1 hash: 53e0b0dc082921fd979bcdaf51e22d57c13e35d7
MD5 hash: d6f16dcc168e50d0f56ab75145967baa
humanhash: thirteen-mirror-mountain-jupiter
File name:Swift copy.pdf.. (2).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:743'424 bytes
First seen:2020-07-29 10:34:57 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:m3kbx8DjzSmU7qlRiAsk2qCHC91VhitlDwiyxCRZpl4D65xa1:m0bqDQi2qCi3VhIDB1ZpODei
Threatray 10'662 similar samples on MalwareBazaar
TLSH 82F4D85250FC26DBE61682746027C5A50F16BEB4AB72DD6E1D2FF4E716F1FE92083802
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chinabank.ph
Sending IP: 103.99.1.143
From: "JEFFERSON G. CAPISTRANO"<jgcapistrano.cbs@chinabank.ph>
Subject: RE: Payment Advice -SWIFT Transfer (103)
Attachment: Swift copy.pdf.. 2.rar (contains "Swift copy.pdf.. (2).exe")

AgentTesla SMTP exfil server:
mail.stankovic.hr:587

AgentTesla SMTP exfil email address:
info@stankovic.hr

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34757/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402265
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253482 Sample: Swift copy.pdf.. (2).exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 53 g.msn.com 2->53 55 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->55 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 7 other signatures 2->75 9 Swift copy.pdf.. (2).exe 7 2->9         started        12 oPLNOE.exe 2 2->12         started        14 oPLNOE.exe 1 2->14         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\&startupname&.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...\tmp95C4.tmp, XML 9->43 dropped 45 C:\...\&startupname&.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\...\Swift copy.pdf.. (2).exe.log, ASCII 9->47 dropped 16 RegSvcs.exe 2 4 9->16         started        21 RegSvcs.exe 9->21         started        23 schtasks.exe 1 9->23         started        29 2 other processes 9->29 25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        process6 dnsIp7 49 stankovic.hr 89.201.175.36, 49734, 587 OT-ASHR Croatia (LOCAL Name: Hrvatska) 16->49 51 mail.stankovic.hr 16->51 37 C:\Users\user\AppData\Roaming\...\oPLNOE.exe, PE32 16->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 16->39 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Tries to steal Mail credentials (via file access) 16->59 61 Tries to harvest and steal ftp login credentials 16->61 67 3 other signatures 16->67 31 reg.exe 1 16->31         started        63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->65 33 conhost.exe 23->33         started        file8 signatures9 process10 process11 35 conhost.exe 31->35         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a63ac2c19153c340a54a2be27ac53722f5c5a653fd851b32931add8fe353c6c3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 01:08:43 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uy5mfqmrkpbubjkkfprhvrjxel24ljst7wcrwmutdloy7y2ty3bq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'652 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-r99zt26tde/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Drops file in Drivers directory
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 d8b80f929fc91b93ed9f4381cdc275b3846354da266b9ded555157f7c7c15fc1

AgentTesla

Executable exe a63ac2c19153c340a54a2be27ac53722f5c5a653fd851b32931add8fe353c6c3

(this sample)

  
Dropped by
MD5 c3e8ab0de441172c7157fae99a3c4180
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34757/
  
Dropped by
SHA256 d8b80f929fc91b93ed9f4381cdc275b3846354da266b9ded555157f7c7c15fc1

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