MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c027abea40a3cafad6d1e1d80f6a0c05c77fe88b0eb91f15c3fef054a35ae67. 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: 6c027abea40a3cafad6d1e1d80f6a0c05c77fe88b0eb91f15c3fef054a35ae67
SHA3-384 hash: d17e814092b9ab566ad2d54d1daaf7ffd314b5418f849545ffe222c3e957a7d900f7a531148422e10f44bd908bfb9530
SHA1 hash: d9dd76c124cad9faa123903c560fe2b83bc12a1b
MD5 hash: 6d48677e80f929562d97be8c8473a092
humanhash: nebraska-stream-iowa-enemy
File name:AWB124729.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:613'888 bytes
First seen:2020-07-29 05:19:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:CYxCYusk23JCb7A/oTHP5y3PEuImrPeU5modNe1mg/1W:tCi5CQsP83s50eUsgeI0A
Threatray 10'515 similar samples on MalwareBazaar
TLSH 04D4C059BAA1ED27C3FE4175A2DD1108CEFCC183526BE345784793BB15CB3A6EA021B1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ryforklift.com
Sending IP: 185.222.57.85
From: mark@ryforklift.com
Subject: ORIGINAL COPIES OF SHIPMENT DOCUMENTS
Attachment: AWB124729.PDF.zip (contains "AWB124729.exe")

AgentTesla SMTP exfil server:
mail.maarijaea.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34113/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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/401173
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Moves itself to temp directory
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
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: 252798 Sample: AWB124729.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 32 Found malware configuration 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 5 other signatures 2->38 8 AWB124729.exe 5 2->8         started        12 wuapihost.exe 2->12         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmpB2AA.tmp, XML 8->24 dropped 26 C:\Users\user\AppData\...\AWB124729.exe.log, ASCII 8->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Injects a PE file into a foreign processes 8->44 46 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->46 14 AWB124729.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        signatures6 process7 dnsIp8 30 mail.maarijaea.com 212.76.85.27, 49721, 587 SAHARANET-ASSaharaNetMainNOCASSA Saudi Arabia 14->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->48 50 Moves itself to temp directory 14->50 52 Tries to steal Mail credentials (via file access) 14->52 54 2 other signatures 14->54 20 conhost.exe 18->20         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c027abea40a3cafad6d1e1d80f6a0c05c77fe88b0eb91f15c3fef054a35ae67/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:21:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nqbhvpvebi6k7llndyoyb5vaybohp7uiwdvzd4k4h7xqksrvvztq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'505 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/200729-fbhs2lx4he/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6c027abea40a3cafad6d1e1d80f6a0c05c77fe88b0eb91f15c3fef054a35ae67

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

zip e18ef0db91bf293359e1fb099b35144b939284db39e6e31cc7475453282ca987

AgentTesla

Executable exe 6c027abea40a3cafad6d1e1d80f6a0c05c77fe88b0eb91f15c3fef054a35ae67

(this sample)

  
Dropped by
MD5 36f1252a585e81324d5f2da7e6299086
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e18ef0db91bf293359e1fb099b35144b939284db39e6e31cc7475453282ca987
Cape
Cape
https://www.capesandbox.com/analysis/34113/

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