MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16. 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: a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16
SHA3-384 hash: ab6b1b6e12eebeb08e84ce94cbd84ec6ec77ae95dbe74867d50d9913148a53ca455624da10b8bbb4ab0138d70ff78919
SHA1 hash: 243d8e4ac47601f0399f37cb7859d0900d587798
MD5 hash: fa9482cfddfea01ef410ea3cf64f108b
humanhash: november-seventeen-sierra-july
File name:DHL-AWB.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:582'656 bytes
First seen:2020-07-16 18:32:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Go4rb64hw2k4zUcsecr8PE9tUporUWrm2zy4LJgT4X/2:Go4rb6tr4p+ZrF
Threatray 11'093 similar samples on MalwareBazaar
TLSH 3EC49CDC3910759EC85E8D764954DC70AA202C62F7FBD20763C36E8FBA3C596DE112A2
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: xenophon.alexandreia.com
Sending IP: 94.130.249.226
From: DHL EXPRESS <trackingmail@dhl.com>
Subject: DHL Shipping Notification: 4663373.......
Attachment: DHL-AWB.z (contains "DHL-AWB.exe")

AgentTesla SMTP exfil server:
smtp.mosiactex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26941/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388728
Signature
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246538 Sample: DHL-AWB.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 29 cdn.onenote.net 2->29 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 6 other signatures 2->41 8 DHL-AWB.exe 5 2->8         started        signatures3 process4 file5 21 C:\Users\user\AppData\...\skrlBqGbTJRrPt.exe, PE32 8->21 dropped 23 C:\...\skrlBqGbTJRrPt.exe:Zone.Identifier, ASCII 8->23 dropped 25 C:\Users\user\AppData\Local\...\tmp14C0.tmp, XML 8->25 dropped 27 C:\Users\user\AppData\...\DHL-AWB.exe.log, ASCII 8->27 dropped 11 RegSvcs.exe 2 8->11         started        15 RegSvcs.exe 8->15         started        17 schtasks.exe 1 8->17         started        process6 dnsIp7 31 smtp.mosiactex.com 11->31 33 us2.smtp.mailhostbox.com 208.91.198.143, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->53 19 conhost.exe 17->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 18:34:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiq25jeojscfb766ff3qiiy3qar65gnb5gejfq4vrxbqok5th4la._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'083 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-4hy167qpvn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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

z 4d83b332d1bb4c3b46a214d7a4007700090540efe746dd4a140e081b0523f19a

AgentTesla

Executable exe a221aea48e4c8450ffde297704231b8023ee99a1e98892c3958dc3072bb33f16

(this sample)

  
Dropped by
MD5 48f7d5f6c8988bd2dec4d38bfa783f21
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4d83b332d1bb4c3b46a214d7a4007700090540efe746dd4a140e081b0523f19a
Cape
Cape
https://www.capesandbox.com/analysis/26941/

Comments