MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb885893c58325e6ebd27e44b501abe522e9ee386f9a2c62ba811ed8fc2d8e55. 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: fb885893c58325e6ebd27e44b501abe522e9ee386f9a2c62ba811ed8fc2d8e55
SHA3-384 hash: 7830fa100fac6f2ae8d3db1826ccec84c19b9653ac38182b0c760e40a65efc6c6a8cd52ad0054af0f80e13e6ce2322a6
SHA1 hash: 7e2f0791b368b7df0213f752544967b17be922c5
MD5 hash: d45777a0d6bf78b650e466194b499e8d
humanhash: eleven-wolfram-oranges-winter
File name:chekwae35826.bin
Download: download sample
Signature AgentTesla
Create hunting rule
File size:889'344 bytes
First seen:2020-07-20 06:40:43 UTC
Last seen:2020-07-20 08:10:22 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:VrMnqjzGYIdjMxMSo15GXacXYp3uyAjrMnnmY2k4zUqk1n7LjWQL3ff7HRjDcPcA:VrvxguwcLjrmrLfhucYfGM
Threatray 10'705 similar samples on MalwareBazaar
TLSH 79153AF79A4D81C2C4AF9EBCC4824B710997EDC4F0F5A60B03667C363676BA0D88556B
Reporter JAMESWT_WT
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28513/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34184609.31600.2015.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/390856
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247541 Sample: chekwae35826.bin Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected AgentTesla 2->35 37 Machine Learning detection for sample 2->37 6 chekwa.exe 3 2->6         started        9 chekwae35826.exe 3 2->9         started        12 chekwa.exe 2 2->12         started        process3 file4 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Machine Learning detection for dropped file 6->43 14 chekwa.exe 12 6->14         started        27 C:\Users\user\...\chekwae35826.exe.log, ASCII 9->27 dropped 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->45 47 Injects a PE file into a foreign processes 9->47 18 chekwae35826.exe 2 15 9->18         started        21 chekwa.exe 4 12->21         started        signatures5 process6 dnsIp7 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->49 51 Tries to steal Mail credentials (via file access) 14->51 53 Tries to harvest and steal ftp login credentials 14->53 55 Tries to harvest and steal browser information (history, passwords, etc) 14->55 29 bh-58.webhostbox.net 199.79.63.24, 49722, 49723, 49724 PUBLIC-DOMAIN-REGISTRYUS United States 18->29 23 C:\Users\user\AppData\Local\...\chekwa.exe, PE32 18->23 dropped 25 C:\Users\user\...\chekwa.exe:Zone.Identifier, ASCII 18->25 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 59 Installs a global keyboard hook 18->59 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb885893c58325e6ebd27e44b501abe522e9ee386f9a2c62ba811ed8fc2d8e55/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 18:42:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oefre6fqms6n26spzclkanl4urot3ryn6ncyyv2qepnr7bnrzkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'695 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/200720-dlnen3hrba/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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/fb885893c58325e6ebd27e44b501abe522e9ee386f9a2c62ba811ed8fc2d8e55

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.

Web download

AgentTesla

Executable exe fb885893c58325e6ebd27e44b501abe522e9ee386f9a2c62ba811ed8fc2d8e55

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/408190/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/28513/

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