MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daccd93e099119d1c54b6d855d0a9db24e1ebd8eea974badb1ff6d8f0e01865f. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: daccd93e099119d1c54b6d855d0a9db24e1ebd8eea974badb1ff6d8f0e01865f
SHA3-384 hash: 4080b018c720f137d6a41598ff2440be0cab4bc8d85d10f3849a10f30e94b9beb31a6d430a04b307bad24bfb12c6c425
SHA1 hash: 281880040284f92e77498023925744f3a0efb6bb
MD5 hash: 1eee2f6e8d98a4229fa3d0100ca02f40
humanhash: october-california-wisconsin-lion
File name:DOCUMENTS.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:633'344 bytes
First seen:2020-08-09 19:21:12 UTC
Last seen:2020-08-09 19:35:19 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:nvWNiDIHFD8wuopRF7nkCB8JmTgrpiA+2tXBcttttxtttOIeewsfpppppppppUpC:eQ4XkCzEQAPbLIusQUH
Threatray 10'710 similar samples on MalwareBazaar
TLSH A8D4F176DC2DEFB8CCD612B7347FB0816A2139A6B2A4E6B717D532671C10D2041AB973
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42290/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.30060.8050.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
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/416020
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260260 Sample: DOCUMENTS.pdf.exe Startdate: 09/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Yara detected AgentTesla 2->53 55 7 other signatures 2->55 8 DOCUMENTS.pdf.exe 7 2->8         started        12 gKWBf.exe 2 2->12         started        14 gKWBf.exe 1 2->14         started        process3 file4 37 C:\Users\user\AppData\Roaming\JYOSRpg.exe, PE32 8->37 dropped 39 C:\Users\user\...\JYOSRpg.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmp456C.tmp, XML 8->41 dropped 43 C:\Users\user\...\DOCUMENTS.pdf.exe.log, ASCII 8->43 dropped 65 Writes to foreign memory regions 8->65 67 Injects a PE file into a foreign processes 8->67 16 RegSvcs.exe 2 4 8->16         started        21 schtasks.exe 1 8->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 45 smtp.palcoman.com 16->45 47 smtp.mailhostbox.com 162.222.225.59, 49738, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->47 33 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 16->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 16->35 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->59 61 Tries to steal Mail credentials (via file access) 16->61 63 5 other signatures 16->63 27 reg.exe 1 16->27         started        29 conhost.exe 21->29         started        file8 signatures9 process10 process11 31 conhost.exe 27->31         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/daccd93e099119d1c54b6d855d0a9db24e1ebd8eea974badb1ff6d8f0e01865f/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-08 04:21:33 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3lgnspqjsem5drklnwcv2cu5wjhb5pmo5kluxlnr75wy6dqbqzpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a6d44377671c37e4ef84efae15b17efbcdd03a8b5af2704e74f75126f333196f
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b9d2e1648eb5b6ac43f87569aa94768d261700b36fd610ac222dfdecd73006a4
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d16be9bd809afa992d073da2f25af20fc450b33d9e645de51ea086b5c8f07978
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e710739997bbb4c0aa3dbbc48746cfd22a223b1d136fcdef77817170ed3f3850
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f82fcb01f1334b2885bc090c3bc8bc587f64919b9739e95ffe12c9e5d5bc11cd
AgentTesla
+ 10'700 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200809-e6b9rrh3ya/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry key
Creates scheduled task(s)
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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 40063967180d674619d82c710d764af9f2d8d573d469eaa019e79095778241cc

AgentTesla

Executable exe daccd93e099119d1c54b6d855d0a9db24e1ebd8eea974badb1ff6d8f0e01865f

(this sample)

  
Dropped by
MD5 93f2d6f05a9915d18281819b5448d419
  
Dropped by
SHA256 40063967180d674619d82c710d764af9f2d8d573d469eaa019e79095778241cc
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42290/

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