MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28b8b2a27c23003085e868930effb3f53adb96a1665e3248ac8b21be405aa7dc. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28b8b2a27c23003085e868930effb3f53adb96a1665e3248ac8b21be405aa7dc
SHA3-384 hash: c37b601a508cfca4c425c4b22b32c4e5d0209788b857936444d7fbdd7d58b521b72e78d99ae5e37be0d309891a5b2602
SHA1 hash: 29390d28e6d6d182f0fe1e35cfc9f1064d02a275
MD5 hash: aaf68ccbec05dfd059edaf489437cf3e
humanhash: violet-carolina-mountain-tango
File name:PO4988821Order - Xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'523'712 bytes
First seen:2021-04-09 13:43:01 UTC
Last seen:2021-04-09 14:52:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:V6bEdjqPLJTkwT1p/WOgvSWJ8+hL3p7nayi8PN3yd2OluON4fA9uC:aENCLFkwT1pTgqWWCbp7nD3yd2OluONY
Threatray 4'312 similar samples on MalwareBazaar
TLSH 61655BE83210B6DEC457C976C9541C22EA107DBA930FC257A003359DAE3DA9BEF945E3
Reporter TeamDreier
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO4988821Order - Xls.exe
Verdict:
Malicious activity
Analysis date:
2021-04-09 13:52:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/798314f7-1350-4e2e-9391-b52c72d66bbf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/133408/
Detection(s):
SecuriteInfo.com.ArtemisAAF68CCBEC05.8298.13171.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
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
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/671468
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 384681 Sample: PO4988821Order  -  Xls.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 9 other signatures 2->63 7 PO4988821Order  -  Xls.exe 6 2->7         started        11 Appdata.exe 5 2->11         started        13 Appdata.exe 2->13         started        process3 file4 39 C:\Users\user\AppData\...\xtWOmsfiHxQP.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmpCA9D.tmp, XML 7->41 dropped 43 C:\Users\...\PO4988821Order  -  Xls.exe.log, ASCII 7->43 dropped 65 Injects a PE file into a foreign processes 7->65 15 PO4988821Order  -  Xls.exe 17 9 7->15         started        19 schtasks.exe 1 7->19         started        67 Multi AV Scanner detection for dropped file 11->67 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->73 21 schtasks.exe 11->21         started        23 Appdata.exe 11->23         started        25 Appdata.exe 11->25         started        27 Appdata.exe 11->27         started        29 schtasks.exe 13->29         started        31 Appdata.exe 13->31         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\...\Appdata.exe, PE32 15->45 dropped 47 C:\Users\user\...\Appdata.exe:Zone.Identifier, ASCII 15->47 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->49 51 Tries to steal Mail credentials (via file access) 15->51 53 Tries to harvest and steal ftp login credentials 15->53 55 3 other signatures 15->55 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 29->37         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28b8b2a27c23003085e868930effb3f53adb96a1665e3248ac8b21be405aa7dc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-09 09:08:29 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fc4lfit4emadbbpincjq575t6u5nxfvbmzpdesfmrmq34qc2u7oa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0289ee3c551ba84d34ab1760d042ab420733d96dbfedfae9718f8eb138c3259b
AgentTesla
1df6109d033a42d97b34133e69afc0da679586b85b6614b034ebfd9343062d20
AgentTesla
23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd
AgentTesla
364afe555167f1dddc5231ff116a558a65383cd947bbf67fc7fbdd85172ea871
AgentTesla
9149cf95959a068da5124ff980283c61e58cf6ca8458684a2400283362f4ab43
AgentTesla
9b7e4e15f3b8201bc4c04d381853de0c871f0362ed057848c92b80db28d66ff2
AgentTesla
ccaed6d340b8a3072f1c577047ad975f0678128f4a0516cb40b8acb327037bc0
AgentTesla
d94cad3bda5709a80fa3ec8440f5bf135b17dcb7f364e1cbfbf003402f74edc3
AgentTesla
dc741ee27ca8f1f3ced8847155dcf669f9c4d23377b7accdeeca5e776e3dd985
AgentTesla
f65323315d4aa2337e4f0de17a502148da38c93012e0bf91fe6b70ba88d03d56
AgentTesla
+ 4'302 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210409-2aed49gsgs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
40ba103446ca0954218d817a4ea120964a18f0c67717ed84ddc76f52ca2f99e0
MD5 hash:
96844c9e2420345ae8b4848ffc760888
SHA1 hash:
fd0a47d3269a3a7fadfcdef5866c2a29554881ba
Link:
https://www.unpac.me/results/c05e026c-5da9-4ed6-b416-05d501e43b37/
SH256 hash:
0e74e3d2563047f4a25e84e53043fa93293eac276573e1702f9324db11a6e05e
MD5 hash:
768b249abce2fa634748d5d0d5819c1c
SHA1 hash:
a203e96d2ac46765fccbb421ac6f4a3e8a267553
Link:
https://www.unpac.me/results/c05e026c-5da9-4ed6-b416-05d501e43b37/
SH256 hash:
29caaa01c4ac06f91aead0d545c68e2575af3a627b5bf6e8bd3ea4645251972b
MD5 hash:
37123f9044a67dba97e62a6d4d96e3bb
SHA1 hash:
6027a6ac82e2a7273e92ab8d6642ef214ebb502a
Link:
https://www.unpac.me/results/c05e026c-5da9-4ed6-b416-05d501e43b37/
SH256 hash:
28b8b2a27c23003085e868930effb3f53adb96a1665e3248ac8b21be405aa7dc
MD5 hash:
aaf68ccbec05dfd059edaf489437cf3e
SHA1 hash:
29390d28e6d6d182f0fe1e35cfc9f1064d02a275
Link:
https://www.unpac.me/results/c05e026c-5da9-4ed6-b416-05d501e43b37/
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/28b8b2a27c23003085e868930effb3f53adb96a1665e3248ac8b21be405aa7dc

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/133408/

Comments