MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df. 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: c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df
SHA3-384 hash: 0b7c4e036e3ef59f0968835f7f8b241802ad4a1116ce6d51fd59a8b8f3d8a82496010afffa59b6d875a73714fc3da5f5
SHA1 hash: 5c0212b1d7f540c482c782804b757ad9f19d9a9f
MD5 hash: 707c9dce5404cd6e1ea9a590025263b2
humanhash: rugby-nine-failed-victor
File name:DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:437'248 bytes
First seen:2020-08-05 06:55:18 UTC
Last seen:2020-08-05 08:00:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:yJQxpG4BUwlDAfqkMPt6tJiT5PjwPKEZf7M/:JxA4ew6DMP4aVaKaM/
Threatray 10'740 similar samples on MalwareBazaar
TLSH 279412BD00651A42F6AA0A7F4CF104079E6BD50F6205D28F5F746088553FBAEBE42FE6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: h22.megalink.com
Sending IP: 200.75.160.22
From: VFinance K.Yaser <in@lasfragancias.com>
Subject: AW: Swift
Attachment: DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.xz (contains "DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe")

AgentTesla FTP exfil server:
ftp.rebu.co.rw:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38996/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.547.28527.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410218
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257345 Sample: DRaft 1 Swift copy hpSCAN 2... Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Sigma detected: Capture Wi-Fi password 2->59 61 Yara detected AgentTesla 2->61 63 7 other signatures 2->63 8 IYLZX5.exe 3 2->8         started        11 DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV  CON 702.exe 3 2->11         started        14 IYLZX5.exe 2 2->14         started        process3 file4 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->65 67 Machine Learning detection for dropped file 8->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->69 16 IYLZX5.exe 14 3 8->16         started        37 DRaft 1 Swift copy...NV  CON 702.exe.log, ASCII 11->37 dropped 71 Injects a PE file into a foreign processes 11->71 20 DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV  CON 702.exe 17 6 11->20         started        23 DRaft 1 Swift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV  CON 702.exe 11->23         started        signatures5 process6 dnsIp7 39 192.168.2.1 unknown unknown 16->39 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->43 45 Tries to steal Mail credentials (via file access) 16->45 47 Tries to harvest and steal ftp login credentials 16->47 49 Tries to harvest and steal browser information (history, passwords, etc) 16->49 25 netsh.exe 16->25         started        41 ftp.rebu.co.rw 104.247.74.6, 21, 32670, 34776 IMH-WESTUS United States 20->41 33 C:\Users\user\AppData\Roaming\...\IYLZX5.exe, PE32 20->33 dropped 35 C:\Users\user\...\IYLZX5.exe:Zone.Identifier, ASCII 20->35 dropped 51 Tries to harvest and steal WLAN passwords 20->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->53 55 Installs a global keyboard hook 20->55 27 netsh.exe 3 20->27         started        file8 signatures9 process10 process11 29 conhost.exe 25->29         started        31 conhost.exe 27->31         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 06:56:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zamupe6os2mhryde6qnt5mwaxse7lscnhfzokfwhbreqtt3dcxpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'730 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200805-t3wp9rq3ja/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df

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

xz 2e70f8134bb371141cec88f47177a8a7612cb1d90f5dbf68e6adad4d72951dcc

AgentTesla

Executable exe c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df

(this sample)

  
Dropped by
MD5 1fd64338a4a698e35bc27f19faf00b97
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38996/
  
Dropped by
SHA256 2e70f8134bb371141cec88f47177a8a7612cb1d90f5dbf68e6adad4d72951dcc

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