MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5. 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: d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5
SHA3-384 hash: b84ae03962a1b789cb64233a70bdbc12382ee34dbc4f10777d07e2f2a571c1141fa4f4829524a546c952617ff07b59b7
SHA1 hash: d8dfa5b7cdea4105f9b5ae5c8d78a4d47b5472c4
MD5 hash: a20ed75cdd3f8ce28737aa9fb8a9c3b2
humanhash: maryland-kentucky-winner-november
File name:AKH8536375001TGz_dwg.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:879'616 bytes
First seen:2020-08-27 08:28:37 UTC
Last seen:2020-08-27 10:09:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:FCXdgseMnCyxnHS9HxD6K8VO88cu3gZvHHo:QtgcnHUX8VOFSZvHH
Threatray 9'215 similar samples on MalwareBazaar
TLSH 1715F14603398B3DDD08B2BC759080ADE6316B43EF39E1E4DF4B65B99A4A25DE05C3C6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail-smail-vm41.hanmail.net
Sending IP: 203.133.180.229
From: sujmk@vip.sina.com <sujmk@daum.net>
Subject: AKH8536375001TGZ
Attachment: AKH8536375001TGz.z (contains "AKH8536375001TGz_dwg.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51687/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42555.12345.11795.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/452433
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 278576 Sample: AKH8536375001TGz_dwg.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Antivirus detection for dropped file 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 7 other signatures 2->39 7 AKH8536375001TGz_dwg.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\bDHTgfHETDQFVt.exe, PE32 7->19 dropped 21 C:\...\bDHTgfHETDQFVt.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp69A5.tmp, XML 7->23 dropped 25 C:\Users\...\AKH8536375001TGz_dwg.exe.log, ASCII 7->25 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Injects a PE file into a foreign processes 7->47 11 AKH8536375001TGz_dwg.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49732, 587 YANDEXRU Russian Federation 11->27 29 192.168.2.1 unknown unknown 11->29 31 smtp.yandex.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 04:30:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2f66oh5nepaz5jhbqhep4m56b7bdbuk34e7g2pdvlr36p7yvdhkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2bff2eb9a8f7c497688208e9031adfc146bad406453325a3eeeb052f840e163f
AgentTesla
332287b244dfebbabac15b5b4dd3fc3bb6f488d3460c2de5259254136040d0e4
AgentTesla
36ccd31c1ec6282731d19195236079e96b13c2c387703265ac788f46f1777c95
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38fcb333238cb4390662b70073f768dd5928d7995b77747add4f2acc8dff4db0
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4a4688aef8ed33c99bda67183d11393956d9e29453ebc230bce72d06f788520a
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4cbc170e21690671a4d72358dff18495f7fc2b5278eb331933de84fcebaa7f4e
AgentTesla
5f50699c3144405b2458bac5d4ae1c6f9945dc5c91641a91326602d0b387f7b9
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89116942312d8a60d9dff7624d4550b1f84def97b0251cb705e705e1d125edcc
AgentTesla
8d6a80f2bdf38aa11184d496b8a305799869706ebe37338f41fe2fcc3fd5c70e
AgentTesla
d2d83fb7446e0969d3ffab161cb2d258041c9c0e686de6dc978b334b444b0512
AgentTesla
+ 9'205 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware evasion trojan family:agenttesla
Link:
https://tria.ge/reports/200827-x941qxrnvj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5

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 e539edfc388879c786f774a7a7c7a0399f6525820211194f6faad57423417942

AgentTesla

Executable exe d17de71fad23c19ea4e181c8fe33be0fc230d15be13e6d3c755c77e7ff1519d5

(this sample)

  
Dropped by
MD5 0e3401b0ddd0f9fd1459420faacc0886
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e539edfc388879c786f774a7a7c7a0399f6525820211194f6faad57423417942
Cape
Cape
https://www.capesandbox.com/analysis/51687/

Comments