MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c962bb037efd22fbe3a0754054f411e8cf2f29a4e2dcb3aa5c0e15f8e4a77feb. 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: c962bb037efd22fbe3a0754054f411e8cf2f29a4e2dcb3aa5c0e15f8e4a77feb
SHA3-384 hash: ff39e7c03875be3d4adc090124ef953146d3d5286d5480694fcefb49d0586d90fdeb234ce52973a379fa9e0c7d748684
SHA1 hash: 49e507a9cd47c13fc2143c03026287702a5a4f16
MD5 hash: 603539300b8fc6fbb239e86da7853ebc
humanhash: floor-dakota-florida-item
File name:SecuriteInfo.com.Trojan.PackedNET.405.25240.7834
Download: download sample
Signature AgentTesla
Create hunting rule
File size:738'816 bytes
First seen:2020-08-19 13:45:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3a7ZNwG/0ZhVIO5CzVaJDzYsNLZfyJEn2Yn9Ys0KpH24k1:K7IGMZz0zMDzDBZln2s9Y
Threatray 9'319 similar samples on MalwareBazaar
TLSH 55F49CC57420EEEEC6CC793B7D46387C0210DD722636A1C17C6AF7D69BAA6838D05762
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48591/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.25240.7834.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/438305
Signature
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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: 271628 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Yara detected AgentTesla 2->30 32 Yara detected AntiVM_3 2->32 34 4 other signatures 2->34 7 SecuriteInfo.com.Trojan.PackedNET.405.25240.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\...\ZrEhiJwGWBn.exe, PE32 7->20 dropped 22 C:\Users\...\ZrEhiJwGWBn.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmpD77C.tmp, XML 7->24 dropped 26 SecuriteInfo.com.T...T.405.25240.exe.log, ASCII 7->26 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->38 40 Injects a PE file into a foreign processes 7->40 11 SecuriteInfo.com.Trojan.PackedNET.405.25240.exe 2 7->11         started        14 schtasks.exe 1 7->14         started        16 SecuriteInfo.com.Trojan.PackedNET.405.25240.exe 7->16         started        signatures5 process6 signatures7 42 Tries to steal Mail credentials (via file access) 11->42 44 Tries to harvest and steal browser information (history, passwords, etc) 11->44 46 Installs a global keyboard hook 11->46 18 conhost.exe 14->18         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c962bb037efd22fbe3a0754054f411e8cf2f29a4e2dcb3aa5c0e15f8e4a77feb/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 09:26:02 UTC
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfrlwa367urpxy5aovafj5ar5dhs6kne4lolhks4byk7rzfhp7vq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8
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af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5
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c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
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f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5
AgentTesla
+ 9'309 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200819-6rdbrnll2n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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/c962bb037efd22fbe3a0754054f411e8cf2f29a4e2dcb3aa5c0e15f8e4a77feb

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 c962bb037efd22fbe3a0754054f411e8cf2f29a4e2dcb3aa5c0e15f8e4a77feb

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/48591/
  
URLhaus
https://urlhaus.abuse.ch/url/436429/
  
Delivery method
Distributed via web download

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