MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71. 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: b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71
SHA3-384 hash: 7eb2737bbe3949c86046583d95714e7374af0b6eb9f6b0bb2cb26682be56ff82cb5c2a46b574867333fa8ba54fd353ae
SHA1 hash: ee78f43f53f4b4dc63e8a1ae246a2bfe91b19e98
MD5 hash: 6b8091a3446c4794afe76977c38e91fa
humanhash: blossom-tango-mexico-pasta
File name:SWIFT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:725'504 bytes
First seen:2020-07-17 13:25:30 UTC
Last seen:2020-07-18 15:05:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:3HK2k4zUyuvbqWvRIEk4NDyiN//i++YvcbjplCV3Li09zDT:3iRIEk4Nt//7v4u3
Threatray 10'669 similar samples on MalwareBazaar
TLSH E1F4BDCCA9608574D86C0EB068B1D93113212E75F8F0A77937C9BEFB3BB2255E415E26
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27370/
Detection(s):
SecuriteInfo.com.LuheFihaA.2501.9094.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/389072
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: 246727 Sample: SWIFT.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 4 other signatures 2->60 8 SWIFT.exe 5 2->8         started        11 sLbGMVN.exe 2 2->11         started        13 sLbGMVN.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\nGADTNiT.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\Temp\tmp770.tmp, XML 8->38 dropped 40 C:\Users\user\AppData\Local\...\SWIFT.exe.log, ASCII 8->40 dropped 15 RegSvcs.exe 2 4 8->15         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process5 dnsIp6 42 aquariuslogistics.com 209.99.16.206, 49735, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->42 44 mail.aquariuslogistics.com 15->44 32 C:\Users\user\AppData\Roaming\...\sLbGMVN.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 5 other signatures 15->52 26 reg.exe 1 15->26         started        28 conhost.exe 20->28         started        file7 signatures8 process9 process10 30 conhost.exe 26->30         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 03:29:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wz3esssfhdlx5pinmh5mnzvsmcjad5dmtrr73alzsc2ixabrxnyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'659 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/200717-7mxplhjqle/
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry key
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/b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/27370/

Comments