MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d. 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: c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d
SHA3-384 hash: da6cef5eb173b502d3b907da0ff42ea439e518cd698afb7757b7a00ab132dfcece0b251295632203cc0554d48daa7aac
SHA1 hash: 5f03c12dc1af5a6c8e0c714c52cf38695187cc7b
MD5 hash: 702a305ce434c23ec7d97159f680e80d
humanhash: carolina-zulu-oxygen-nevada
File name:swift copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:498'688 bytes
First seen:2020-09-12 05:43:07 UTC
Last seen:2020-09-14 13:30:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:MBgnfVBwDiZCfXaeWCIG+f8T8/XDgHdgFGyl4nXKleLj8veD3oaTEsqDqlNje+Rr:MunfEXaEL0dc6FbeXKw4eD4niv0xXX
Threatray 10'525 similar samples on MalwareBazaar
TLSH 4AB412153A6EC72EF8C50D32583D70801635F96E5423E67C2D9AA0BD9EABF908750FB1
Reporter cocaman
Tags:AgentTesla exe SWIFT

Intelligence

File Origin
# of uploads :
3
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58745/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.12865.26579.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/464674
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
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 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: 284744 Sample: swift copy.exe Startdate: 12/09/2020 Architecture: WINDOWS Score: 100 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Found malware configuration 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 15 other signatures 2->83 8 gKWBf.exe 5 2->8         started        11 swift copy.exe 6 2->11         started        14 gKWBf.exe 2->14         started        process3 file4 85 Multi AV Scanner detection for dropped file 8->85 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Machine Learning detection for dropped file 8->89 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->91 16 gKWBf.exe 2 8->16         started        20 schtasks.exe 1 8->20         started        51 C:\Users\user\AppData\Roaming\gUZaAJeb.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpBDFA.tmp, XML 11->53 dropped 55 C:\Users\user\AppData\...\swift copy.exe.log, ASCII 11->55 dropped 22 swift copy.exe 2 5 11->22         started        25 schtasks.exe 1 11->25         started        93 Injects a PE file into a foreign processes 14->93 27 schtasks.exe 14->27         started        29 gKWBf.exe 14->29         started        signatures5 process6 dnsIp7 57 mail.yitaipackaging.com 16->57 65 Tries to harvest and steal ftp login credentials 16->65 67 Tries to harvest and steal browser information (history, passwords, etc) 16->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->69 31 reg.exe 16->31         started        33 conhost.exe 20->33         started        59 yitaipackaging.com 35.213.167.237, 49746, 49765, 587 GOOGLEUS United States 22->59 61 mail.yitaipackaging.com 22->61 63 192.168.2.1 unknown unknown 22->63 45 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 22->45 dropped 47 C:\Windows\System32\drivers\etc\hosts, ASCII 22->47 dropped 49 C:\Users\user\...\gKWBf.exe:Zone.Identifier, ASCII 22->49 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->71 73 Tries to steal Mail credentials (via file access) 22->73 75 Modifies the hosts file 22->75 35 reg.exe 22->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        file8 signatures9 process10 process11 41 conhost.exe 31->41         started        43 conhost.exe 35->43         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-12 02:35:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zble25cckfvp6eyicmer7wzgdrhhpo6adgsprloods5nal3lhnoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
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AgentTesla
+ 10'515 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200912-mb53capgfa/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d

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

rar 314c7e2eb1dc4182b2a76110a6aab9dfea24167056c0ac0d25e25183f911d5e1

AgentTesla

Executable exe c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 314c7e2eb1dc4182b2a76110a6aab9dfea24167056c0ac0d25e25183f911d5e1
Cape
Cape
https://www.capesandbox.com/analysis/58745/

Comments