MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79459d933d490e7b12cea45b59a86fed6c9f6271feab12fdbfa25fbc791adf4e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 79459d933d490e7b12cea45b59a86fed6c9f6271feab12fdbfa25fbc791adf4e
SHA3-384 hash: 22d10f7288655ccf5260bf7f11fb2ee4fb60f489fdd2b308e52f656a0570ed620cc342e3b230ba54943c549e1ba45faa
SHA1 hash: babcb45cacc8e07271f3da27be3eeadb7f601c0f
MD5 hash: 927becc05e9cf116ab2f3359c33bcacb
humanhash: diet-friend-harry-aspen
File name:Swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:626'688 bytes
First seen:2020-07-21 07:44:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:4d9J0nsg+SyRw6TBxpOyHg4q4Peyxhv7VvWRXnQ5SSjkwlObexBw:laEX4ZPeyNvWuvrlOK
Threatray 10'718 similar samples on MalwareBazaar
TLSH F5D43700E7B446C9D7AA56B9D460400082E4A936B7F6EF5A5B40F5E938EF7909F0FF12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ubuntu.boostinghe.com
Sending IP: 91.92.136.76
From: Account payable <accs@skatool.com>
Subject: Payment Transfer
Attachment: Payment 01.iso (contains "Swift.exe")

AgentTesla SMTP exfil server:
mail.targethyd.com:26

AgentTesla SMTP exfil email address:
thampan@sunbeampower.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29842/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392812
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 248693 Sample: Swift.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 28 cdn.onenote.net 2->28 34 Found malware configuration 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 3 other signatures 2->40 8 Swift.exe 9 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\WciRQtYNHJvV.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmpBE37.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\Local\...\Swift.exe.log, ASCII 8->26 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->44 46 Contains functionality to register a low level keyboard hook 8->46 48 Injects a PE file into a foreign processes 8->48 12 Swift.exe 10 8->12         started        16 schtasks.exe 1 8->16         started        18 Swift.exe 8->18         started        signatures6 process7 dnsIp8 30 targethyd.com 192.185.136.173, 26, 49737, 49738 UNIFIEDLAYER-AS-1US United States 12->30 32 mail.targethyd.com 12->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 2 other signatures 12->56 20 conhost.exe 16->20         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/79459d933d490e7b12cea45b59a86fed6c9f6271feab12fdbfa25fbc791adf4e/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:46:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pfcz3ez5jehhwewournvtkdp5vwj6ytr72vrf7n7ujp3y6i235ha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'708 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200721-mzmqrsekta/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/79459d933d490e7b12cea45b59a86fed6c9f6271feab12fdbfa25fbc791adf4e

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

iso 13849f561efead15ab736f535169383dc4e62d620f439443707358c1e3e8c0de

AgentTesla

Executable exe 79459d933d490e7b12cea45b59a86fed6c9f6271feab12fdbfa25fbc791adf4e

(this sample)

  
Dropped by
MD5 739e7204a241ea6c21299703f3ce8e6d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 13849f561efead15ab736f535169383dc4e62d620f439443707358c1e3e8c0de
Cape
Cape
https://www.capesandbox.com/analysis/29842/

Comments