MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 829abf5ae6cc64c2099d4e8f5160877ee47f82d9d8c29f24b47cee0aad726986. 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: 829abf5ae6cc64c2099d4e8f5160877ee47f82d9d8c29f24b47cee0aad726986
SHA3-384 hash: 94f698c6ad0258a29be02d16126b7c557f6bed89c1818a841629b3db457dcaf9904d9cf20f422e5fe524651aa6188184
SHA1 hash: 33cc5d909ac5e29499f1f95ef0d3c62dccefad3e
MD5 hash: 4d0c1f6cdc29462d7025a937631a39fe
humanhash: kilo-nitrogen-idaho-burger
File name:HYD6345892022z_东莞市恒易达模具科技有限公司.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:997'376 bytes
First seen:2020-08-28 05:49:16 UTC
Last seen:2020-08-28 07:04:23 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 24576:okvEpLHKYSmTAt2wdmUT99x8lxMnCyLS5D:Xv9WG2ink7
Threatray 9'270 similar samples on MalwareBazaar
TLSH 3D25E14A07298B7CDD08B6B82190D0BCE1766E42EB35E1D8CEC77DBA7D5934DA5482C3
Reporter abuse_ch
Tags:AgentTesla CHN exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail-smail-vm88.hanmail.net
Sending IP: 211.231.106.163
From: otk8457@vip.163.com <otk8457@hanmail.net>
Subject: HYD6345892020
Attachment: HYD6345892022z.z (contains " HYD6345892022z_东莞市恒易达模具科技有限公司.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/52168/
Detection(s):
SecuriteInfo.com.Generic.mg.4d0c1f6cdc29462d.18452.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/453195
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped 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: 278967 Sample: 6c#U53f8.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 6 other signatures 2->41 7 6c#U53f8.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\UnAFpvNVLZ.exe, PE32 7->21 dropped 23 C:\Users\...\UnAFpvNVLZ.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp94FF.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\6c#U53f8.exe.log, ASCII 7->27 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Injects a PE file into a foreign processes 7->47 11 6c#U53f8.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 6c#U53f8.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49723, 587 YANDEXRU Russian Federation 11->29 31 192.168.2.1 unknown unknown 11->31 33 smtp.yandex.com 11->33 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/829abf5ae6cc64c2099d4e8f5160877ee47f82d9d8c29f24b47cee0aad726986/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-28 05:51:07 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qknl6wxgzrsmecm5j2hvcyehp3sh7awz3dbj6jfuptxavllsngda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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75692c6d88025cd8de4afa58076bd2dfe2b3adbf536c13513bf1f9b99811e143
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b7f19729b194bac7f587a7cc19778e925a218fec8106b23466367b2847b99ea2
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bd99f6b970cc52ee725dd1b734a440243655a3fbc1e2304a665b29d41477c25b
AgentTesla
+ 9'260 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/200828-7l8479qf7j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Program crash
Drops file in Windows directory
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/829abf5ae6cc64c2099d4e8f5160877ee47f82d9d8c29f24b47cee0aad726986

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

z 8ffc1c08898147c9e1ca82a4930d06a6335a5b2589402b1716d12e8dc11272f1

AgentTesla

Executable exe 829abf5ae6cc64c2099d4e8f5160877ee47f82d9d8c29f24b47cee0aad726986

(this sample)

  
Dropped by
MD5 fe94a68d7589452fe1a49bc25e661ec1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8ffc1c08898147c9e1ca82a4930d06a6335a5b2589402b1716d12e8dc11272f1
Cape
Cape
https://www.capesandbox.com/analysis/52168/

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