MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3. 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: d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3
SHA3-384 hash: 6b15a3f25f8c2716f53bfef2f3448135619609af7862a7fdd00987612c7526d6e26ec3ac94d86e09e0889a95f0e0234b
SHA1 hash: e14301bdeb30e621c0eff57b101ffe39abbf3145
MD5 hash: 978e91868c4e9c23405cb406c804d391
humanhash: sink-speaker-summer-spaghetti
File name:RFQ #100043 CST.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:675'840 bytes
First seen:2020-07-17 14:09:16 UTC
Last seen:2020-07-18 07:06:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tfBiiiiiiiiiiiiiiii22k4zUxDOqsgmvUSHUZwu859Y7jplCV3Li09zDT:t5iiiiiiiiiiiiiiiiQOn+JEou3
Threatray 10'741 similar samples on MalwareBazaar
TLSH B2E4ADCCAA508675D82C0EB46865C83113252E75F8F0A77937C9BEFB37B3255E016E26
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27416/
Detection(s):
SecuriteInfo.com.LuheFihaA.18220.17957.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389096
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Modifies the hosts file
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 signatures2 2 Behavior Graph ID: 246739 Sample: RFQ #100043 CST.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 4 other signatures 2->66 8 RFQ #100043 CST.exe 5 2->8         started        11 CpSnJ.exe 2 2->11         started        13 CpSnJ.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\Roaming\dnuTDVLgh.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpFE3F.tmp, XML 8->40 dropped 42 C:\Users\user\...\RFQ #100043 CST.exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 2 4 8->15         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process5 dnsIp6 44 mdist.us 192.185.226.148, 49737, 587 UNIFIEDLAYER-AS-1US United States 15->44 46 mail.mdist.us 15->46 34 C:\Users\user\AppData\Local\...\CpSnJ.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 58 3 other signatures 15->58 28 reg.exe 1 15->28         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->56 30 conhost.exe 22->30         started        file7 signatures8 process9 process10 32 conhost.exe 28->32         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 03:07:03 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2a3ai5bkufq3xcqpp6fcrtgbqswftypkjzw6tyqnzkujrxpkypjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ee180e2ce4c79e38d7c5c4f5e56fd22642d8fefa00cc543e9d85dbcb6944ae88
AgentTesla
+ 10'731 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200717-bkyqr142je/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Drops file in Drivers directory
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/d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3

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

7z 096e5381965bf816964e88b728ef86a2cae65698a15529b04c19c8d58ccc4337

AgentTesla

Executable exe d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3

(this sample)

  
Dropped by
MD5 10e73eeffb6497432e1348b550458193
  
Dropped by
SHA256 096e5381965bf816964e88b728ef86a2cae65698a15529b04c19c8d58ccc4337
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27416/

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