MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8
SHA3-384 hash: 1e511a0e3c90e4345b85d31f04c1fa74eb11fb5dedec1519b2f71880bd90d79a5590b85a42039a2700f76a8dfc3d8fff
SHA1 hash: 7126432714cdf2ef983d7de0436fd553d23ac538
MD5 hash: a70b61a16ff3128e04f855a9f7f27275
humanhash: echo-maryland-fillet-magazine
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:495'616 bytes
First seen:2021-12-20 03:17:05 UTC
Last seen:2021-12-20 13:58:02 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 12288:JCNtpNOklf6lHJ3L6H1/M6z/Fzoddwspxzjs3B:JkYlp3LSb5oDwszjEB
Threatray 13'494 similar samples on MalwareBazaar
TLSH T167B4E07C32ABA7DED97153B537A9403403A67C726523C299ED8A31CB1967B40BA33713
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215297/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1137.7624.21285.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61bff5ef8991ba72b38dcd92/reports/504dfe23-afa3-4291-82f3-1ee242e5e3f4/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7cf8cc9e-88c4-4640-8c4f-542963ebecb1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909971
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Executable has a suspicious name (potential lure to open the executable)
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
Installs a global keyboard hook
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry 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: 542449 Sample: Purchase Order.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 10 other signatures 2->58 7 Purchase Order.exe 7 2->7         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\uRjKsbSEENL.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3D2D.tmp, XML 7->38 dropped 40 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->40 dropped 60 Adds a directory exclusion to Windows Defender 7->60 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 24 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 42 mail.diva-italia.com 160.153.63.160, 49785, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->42 32 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 6 other signatures 15->50 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-20 03:18:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bbkl2amqafuth3pyxltmtqddrcwtbeopbjp5nuq6gg5w7yhzd4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
AgentTesla
2141c32603285a6bcf47a6a92a4d3139f3f56ac3390f811e74ecd14b54de44bb
AgentTesla
559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad
AgentTesla
71bee349cf254cc54898d318b949b77dd1b45b7911c1b078cdb399131b5dc247
AgentTesla
86424b83a78d744d1f61082abfe210f13bc14684dc02fff3794b0d5a6d9078c0
AgentTesla
a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b
AgentTesla
bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980
AgentTesla
d0ce4974fa64ceaafbd8a35c397099c2d486cb973a9496277952c46d06a27756
AgentTesla
e5959f481a796647a6d5bb7662dd6b77411dfe29b9c3935342c8a7c7ee90c75d
AgentTesla
+ 13'484 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211220-dtmaqshdb3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5271feaa3fb301f5b24c54c9bea6813bba0e258f7054fbcad656163bbe410ac2
MD5 hash:
613464af092cfda2e08feb8788f1bbd1
SHA1 hash:
cb4de9a0b1c187d65e24952d8cb2408c36b364d4
Link:
https://www.unpac.me/results/9f6fafd1-9f4c-4ad0-99d1-eb3ecb179121/
SH256 hash:
cc863038dfc58d37276a1f1cb952870d6a2cd81a7ac72d3ed7021e5c5aa1c8f0
MD5 hash:
2c5570f3b591aa1fd57f5ec62ab89b76
SHA1 hash:
7a451b030d1acef0a149e333ba9df225fc5494d1
Link:
https://www.unpac.me/results/9f6fafd1-9f4c-4ad0-99d1-eb3ecb179121/
SH256 hash:
4e84ea8e19eb2c7d61a7df53872cf0b9c147f6a9c56eab16bf8fbc1590321c80
MD5 hash:
8f48261aa9f3f6c434b6132b907f49f9
SHA1 hash:
736642802fc39c361e4038d0e5dd81773b6e9bbc
Link:
https://www.unpac.me/results/9f6fafd1-9f4c-4ad0-99d1-eb3ecb179121/
SH256 hash:
f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8
MD5 hash:
a70b61a16ff3128e04f855a9f7f27275
SHA1 hash:
7126432714cdf2ef983d7de0436fd553d23ac538
Link:
https://www.unpac.me/results/9f6fafd1-9f4c-4ad0-99d1-eb3ecb179121/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f842a5e80c80/report/overview.html
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/f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8

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:pe_imphash
Create hunting rule
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 f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215297/

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