MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 163ef298631297419211b54d77f7d354fb39f96b04d1ae951e085ceb80b5db4d. 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 4 File information Comments

SHA256 hash: 163ef298631297419211b54d77f7d354fb39f96b04d1ae951e085ceb80b5db4d
SHA3-384 hash: 733ac5a9f87aa8e24c7771cc018c5a24ec25a7be0ccc1a7ca6799727a93c14b57b963594f7313a7744f977d25124b8db
SHA1 hash: fa5f53091ac04b873646cc8a6ab928632ec530cb
MD5 hash: e8477b1e2b15fc6c429997498aef5e0f
humanhash: uncle-london-sad-alanine
File name:PO 60847233.exe
Download: download sample
Signature AgentTesla
File size:830'464 bytes
First seen:2021-03-08 15:22:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Nz0Ld8E8mUyRKL7te291n0PicJ6cV0QSQy3:NW9AV0P5Mcot
Threatray 3'071 similar samples on MalwareBazaar
TLSH C505F1153794EF01E1BEDB76457020A02BF6AC59EB36D64E6D8D74885E73BC04A0B3A3
Reporter TeamDreier
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 60847233.exe
Verdict:
Malicious activity
Analysis date:
2021-03-08 15:23:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364681 Sample: PO 60847233.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 11 other signatures 2->60 7 PO 60847233.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\ApTSBFHzABavn.exe, PE32 7->36 dropped 38 C:\...\ApTSBFHzABavn.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp75A3.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\PO 60847233.exe.log, ASCII 7->42 dropped 62 Injects a PE file into a foreign processes 7->62 15 PO 60847233.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        64 Multi AV Scanner detection for dropped file 11->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->66 68 Machine Learning detection for dropped file 11->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->70 22 schtasks.exe 1 11->22         started        24 YYtJku.exe 2 11->24         started        26 YYtJku.exe 11->26         started        signatures5 process6 dnsIp7 44 us2.smtp.mailhostbox.com 208.91.198.143, 49730, 49731, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->44 32 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->32 dropped 34 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Moves itself to temp directory 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 3 other signatures 15->52 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Gathering data
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-08 14:13:52 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
163ef298631297419211b54d77f7d354fb39f96b04d1ae951e085ceb80b5db4d
MD5 hash:
e8477b1e2b15fc6c429997498aef5e0f
SHA1 hash:
fa5f53091ac04b873646cc8a6ab928632ec530cb
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments