MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59. 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: 9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59
SHA3-384 hash: 6f626387f8217105707430bce98071926b787ef20d228e95d269c63588093ff9992cebdff4aafdd9ed5f4ea59f070721
SHA1 hash: 98900cadce7cffed7de5185efd95601036ea826d
MD5 hash: 73ff45d78f333069ea5f34576fc02cc6
humanhash: equal-lamp-yankee-fruit
File name:RFQ-Fn909-20.DOCUment-NEW.hd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:495'616 bytes
First seen:2020-09-10 07:18:50 UTC
Last seen:Never
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:LC5Jn9B/rRKpBNdiEg/Nk6/ZGnXqZc8xV:O5J9hRKXg/q2ZwqX
Threatray 142 similar samples on MalwareBazaar
TLSH B8B42283C35C872FDDDC2974752E7244A232E13AA196E7AF19E440B4149E3F42663EB6
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58309/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/462915
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
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
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
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: 283856 Sample: RFQ-Fn909-20.DOCUment-NEW.hd.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 10 other signatures 2->35 7 RFQ-Fn909-20.DOCUment-NEW.hd.exe 8 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\scXuQvjz.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpCEC1.tmp, XML 7->21 dropped 23 C:\...\RFQ-Fn909-20.DOCUment-NEW.hd.exe.log, ASCII 7->23 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Injects a PE file into a foreign processes 7->41 43 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->43 11 RFQ-Fn909-20.DOCUment-NEW.hd.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 smtp.yandex.ru 77.88.21.158, 49724, 587 YANDEXRU Russian Federation 11->25 27 smtp.yandex.com 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-09 18:35:12 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tajuouycvcm6zhusblzarosdop3vfxddzblx6buwbevk3pcr7vmq._file
Verdict:
unknown
Similar samples:
0ce08df0b3611911bc5afc8a1cca8ee808bcc0c4d7224910fad496244c38e47b
AgentTesla
3147804cd376f42bc7b89614a40adf096b91391c1f768e9926b69951f8e09db1
AgentTesla
4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4
AgentTesla
98aa25661d1240483f21cb7f2cdade8ba0ee681fef926ff56ef6ced2c4477527
AgentTesla
a9516c6968887596edb07b3af53bdefe21bb4fd4ea7a776448294f1d9abcf07a
AgentTesla
af72965aecd13c67c0e1416b597871dfe4ded290d17b4e267cce1e7bc6002e52
AgentTesla
b1d271709c085fd1d8ee06dfe8b269736a1d9dc0f58684654b3f9e21c4615e13
AgentTesla
beb893e1685315584674c60f2f436c5213f0262467d3595161426b4cf485712d
AgentTesla
d8ba4833fadaf3045d32509f246aeb93a587b89559b2de4ae32badac2a6ab435
AgentTesla
fe41fe0b302887f61f20473015f386ab57ddb4cc278b3e1639c07337012a58f4
AgentTesla
+ 132 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200910-hj5zzw5sbn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59

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 ff5c02d0b527a1c94ca3312cdd7f902d49f6d44440a697d8f3a1da6f87f02834

AgentTesla

Executable exe 9813475302a899ec9e920af208ba4373f752dc63c8577f0696092aadbc51fd59

(this sample)

  
Dropped by
MD5 906d67c66763ed2b1af2f73ba68935ee
  
Dropped by
SHA256 ff5c02d0b527a1c94ca3312cdd7f902d49f6d44440a697d8f3a1da6f87f02834
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/58309/

Comments