MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bbed2bec4921aca55a13e5ccf12147bb43f164a915e9b1b0a0bfb9a54954409. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 3bbed2bec4921aca55a13e5ccf12147bb43f164a915e9b1b0a0bfb9a54954409
SHA3-384 hash: f653a4a33f94a8d294e1c6dfe3cad8b168e17e1a0818f9e6a6a5bb6d929744d99e98e63daf229a07da6a33a8a3771356
SHA1 hash: 20148600962ae52f22c41cba1b4a3d488761bd72
MD5 hash: c9aba0e418f93cfbe9bd12bb7757df94
humanhash: kansas-ceiling-neptune-vermont
File name:c9aba0e418f93cfbe9bd12bb7757df94.exe
Download: download sample
Signature AgentTesla
File size:676'352 bytes
First seen:2020-12-09 10:15:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:VjesnLiJz2ZuIhfzbYPuI/OCWITtnKTlOi38t/UAdaOElOld0cY:Fi92Z7relOJeoTjyU4afOlKc
Threatray 10'714 similar samples on MalwareBazaar
TLSH 13E4F1311646AEA3D6BD0FB4E41071200F652F776464D64AFDC170EF24BEB38A9A1CA7
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://medicelcoolers.cn/googlechrome_3843.exe
Verdict:
Malicious activity
Analysis date:
2020-12-09 08:14:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 328504 Sample: cOJMvU1HMC.exe Startdate: 09/12/2020 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 7 other signatures 2->38 7 cOJMvU1HMC.exe 6 2->7         started        process3 file4 22 C:\Users\user\AppData\...\ukOobaxNNvYk.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\Temp\tmp6F4.tmp, XML 7->24 dropped 26 C:\Users\user\AppData\...\cOJMvU1HMC.exe.log, ASCII 7->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->42 11 cOJMvU1HMC.exe 2 7->11         started        16 schtasks.exe 1 7->16         started        18 cOJMvU1HMC.exe 7->18         started        signatures5 process6 dnsIp7 30 mail.spamora.net 185.26.106.194, 49744, 587 ATE-ASFR France 11->30 28 C:\Windows\System32\drivers\etc\hosts, ASCII 11->28 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->44 46 Tries to steal Mail credentials (via file access) 11->46 48 Tries to harvest and steal ftp login credentials 11->48 50 3 other signatures 11->50 20 conhost.exe 16->20         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Malrep
Status:
Malicious
First seen:
2020-12-09 10:16:10 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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 data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
SH256 hash:
2c17af6f60a1ef7416caae22fd19507a6cfafde81b939fe7ee732e405aad73dd
MD5 hash:
dd73a9c1a544a2a5459c9271978a7557
SHA1 hash:
644f8d5e2c420146b5cd6466dedc00a666f01791
Detections:
win_agent_tesla_w1
SH256 hash:
50b591cae4ec07df80506952cecba7a31dc72c4063d83d7d5e89fe7e38e0e981
MD5 hash:
d005fff72c14e5487ba9613ffe7a8465
SHA1 hash:
76fda0c005bdb1a7683f036d0bc4896c10b6c123
SH256 hash:
3bbed2bec4921aca55a13e5ccf12147bb43f164a915e9b1b0a0bfb9a54954409
MD5 hash:
c9aba0e418f93cfbe9bd12bb7757df94
SHA1 hash:
20148600962ae52f22c41cba1b4a3d488761bd72
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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 3bbed2bec4921aca55a13e5ccf12147bb43f164a915e9b1b0a0bfb9a54954409

(this sample)

  
Delivery method
Distributed via web download

Comments