MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5feefba742eecb4eb287261d0d1b3ffa2a44535d88496edbc85f15975a471eaa. 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: 5feefba742eecb4eb287261d0d1b3ffa2a44535d88496edbc85f15975a471eaa
SHA3-384 hash: b8704ab8c9bb45280c0c36200ac91a28fdd078862ad88d7ee888243c41341151806580aa58615a4d9da31f3e0183ff7c
SHA1 hash: 2f631e82243756ed81071b9c488d21ad17fda135
MD5 hash: 5187ad82b9a49cc207d7a783207f4f8e
humanhash: shade-texas-berlin-romeo
File name:ECx2xUjOPZLKfaS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:574'976 bytes
First seen:2020-07-17 10:09:08 UTC
Last seen:2020-07-17 10:46:07 UTC
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:VgNv2k4zUJqgdXohv/v7S7M7nI8ceZXAimELz8eX9aR+S:VgNnqgdo/v7S7n5EN
Threatray 11'111 similar samples on MalwareBazaar
TLSH 02C49DD83510758EC81E8D758964DC70A6206C62F7FBD207A3C36EAFB93D697CE111A2
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27320/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.393.9475.26654.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389056
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 246719 Sample: ECx2xUjOPZLKfaS.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 6 other signatures 2->63 8 ECx2xUjOPZLKfaS.exe 5 2->8         started        12 OVDeV.exe 1 2->12         started        14 OVDeV.exe 2->14         started        process3 file4 43 C:\Users\user\AppData\Roaming\YquSJH.exe, PE32 8->43 dropped 45 C:\Users\user\...\YquSJH.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpD4A3.tmp, XML 8->47 dropped 49 C:\Users\user\...Cx2xUjOPZLKfaS.exe.log, ASCII 8->49 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->77 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->79 81 Injects a PE file into a foreign processes 8->81 16 ECx2xUjOPZLKfaS.exe 1 5 8->16         started        21 schtasks.exe 1 8->21         started        83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 23 OVDeV.exe 2 12->23         started        25 OVDeV.exe 14->25         started        signatures5 process6 dnsIp7 51 cpanel-02.wlink.com.np 202.166.193.69, 49708, 49709, 587 WLINK-NEPAL-AS-APWorldLinkCommunicationsPvtLtdNP Nepal 16->51 53 mail.blc.com.np 16->53 37 C:\Users\user\AppData\Roaming\...\OVDeV.exe, PE32 16->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 16->39 dropped 41 C:\Users\user\...\OVDeV.exe:Zone.Identifier, ASCII 16->41 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Tries to steal Mail credentials (via file access) 16->67 69 Modifies the hosts file 16->69 27 reg.exe 16->27         started        29 conhost.exe 21->29         started        55 mail.blc.com.np 23->55 71 Tries to harvest and steal ftp login credentials 23->71 73 Tries to harvest and steal browser information (history, passwords, etc) 23->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->75 31 reg.exe 23->31         started        file8 signatures9 process10 process11 33 conhost.exe 27->33         started        35 conhost.exe 31->35         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5feefba742eecb4eb287261d0d1b3ffa2a44535d88496edbc85f15975a471eaa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 13:25:44 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7xpxj2c53fu5muheyoq2gz77iveiu25rbew5w6il4kzowshd2va._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'101 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200717-cs47v2cydn/
Behaviour
Suspicious use of WriteProcessMemory
Modifies registry key
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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/5feefba742eecb4eb287261d0d1b3ffa2a44535d88496edbc85f15975a471eaa

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 7f69e891f35d870bf5df2118ff048d391d6b516beae5aeb3f1f033a9d4a90137

AgentTesla

Executable exe 5feefba742eecb4eb287261d0d1b3ffa2a44535d88496edbc85f15975a471eaa

(this sample)

  
Dropped by
MD5 c15374bd13416391bf806631945fb53f
  
Dropped by
SHA256 7f69e891f35d870bf5df2118ff048d391d6b516beae5aeb3f1f033a9d4a90137
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27320/

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