MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63fe256b8a61de6e7450eac7f3e238083748218fb6eb689db288e2c36e0665f5. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63fe256b8a61de6e7450eac7f3e238083748218fb6eb689db288e2c36e0665f5
SHA3-384 hash: 449d87ffd2b0d75c8c2d083c7edcbe06801f8b5ac205c532d0248370e5ae7fa50952cf71a01f72594ebdfa42a5414142
SHA1 hash: f0d9bfd2b89254871672fd6268f7e73a38ede750
MD5 hash: 335ddbb51da9947b86088fa4323d78dc
humanhash: mexico-cola-lima-twenty
File name:PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:572'928 bytes
First seen:2021-05-19 12:29:42 UTC
Last seen:2021-05-24 11:04:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mbitHvi4dglts20soWN1pCZMR4FjJ03JiqltZdLLhh934BrdNf3mmE2NO6ggKz:bxviWx48ZMRaa8qltD1h9grdgm+Nz
Threatray 5'051 similar samples on MalwareBazaar
TLSH 99C4F125379ABB5AEABE8B3D0532464017F1FA5A9302D71C7E9811DE1E61B80C376733
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
5
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
No threats detected
Analysis date:
2021-05-19 12:33:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1852c646-05e7-4f10-905e-8a4bda9a9cb7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/158585/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20210519-1205.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/784936
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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 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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417334 Sample: PO.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 5 other signatures 2->55 6 PO.exe 3 2->6         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        process3 file4 29 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 6->29 dropped 57 Writes to foreign memory regions 6->57 59 Allocates memory in foreign processes 6->59 61 Injects a PE file into a foreign processes 6->61 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 RegSvcs.exe 6->21         started        23 RegSvcs.exe 6->23         started        25 conhost.exe 10->25         started        27 conhost.exe 12->27         started        signatures5 process6 dnsIp7 35 wasstech.com 204.93.196.181, 49755, 587 SERVERCENTRALUS United States 14->35 31 C:\Users\user\AppData\Roaming\...31XLun.exe, PE32 14->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 47 3 other signatures 14->47 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->45 file8 signatures9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-19 09:45:21 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mp7ck24kmhpg45cq5ld7hyryba3uqimpw3vwrhnsrdrmg3qgmx2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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cd0c125345543bbf0661d72d5bef97a8d71b20e0acda32fa46c7fc71959b5b88
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f111c1af009f5f5b71e9551ccaf2676df2f0df3bb308f230425ba399c80b9e30
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f3c7b5d6e8fa927b4a644ba2d52cf4162c643b1cf774ad26b311da27ce263958
AgentTesla
+ 5'041 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210519-s7gv94tkp2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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/63fe256b8a61de6e7450eac7f3e238083748218fb6eb689db288e2c36e0665f5

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:hancitor_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 63fe256b8a61de6e7450eac7f3e238083748218fb6eb689db288e2c36e0665f5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/158585/

Comments