MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1
SHA3-384 hash: 90affa59f662eb299017218d65dc948d212e37035ccced6bc7343609001f024f77ea3720894315432e9fb2f309d8bb72
SHA1 hash: 89b4b924b17f569558765b766451892cf38b71b9
MD5 hash: 8a1df850c5c7037024ade51516f5fbe4
humanhash: iowa-colorado-five-chicken
File name:INV-088002904SINO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:902'144 bytes
First seen:2022-03-11 07:07:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:bD2iN+x+SFO2VL+f2SGZ742NKEoX4fpdRfO/u0RiAv/DdGLJH4xdpxUa3R48J9Qn:v1Mxjlp37rNOXxu61v64rGG2l
Threatray 16'284 similar samples on MalwareBazaar
TLSH T10415CFE0EE1886BEDD14323AC0E818B11EF5199E3461FF5A958E11DD0997FCF49E602E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/249294/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/622af55b0cd58dbd927c34f7/reports/095b8f45-6228-43a2-b2de-2f4424928621/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3171a7a3-e192-47f0-84d3-afd48517b8c3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954694
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 587175 Sample: INV-088002904SINO.exe Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 6 INV-088002904SINO.exe 3 2->6         started        10 tKZVPq.exe 3 2->10         started        12 tKZVPq.exe 2 2->12         started        process3 file4 26 C:\Users\user\...\INV-088002904SINO.exe.log, ASCII 6->26 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->44 14 INV-088002904SINO.exe 2 5 6->14         started        18 INV-088002904SINO.exe 6->18         started        46 Machine Learning detection for dropped file 10->46 20 tKZVPq.exe 2 10->20         started        22 tKZVPq.exe 12->22         started        24 tKZVPq.exe 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 14->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 14->30 dropped 32 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 14->32 dropped 48 Modifies the hosts file 14->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->50 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-11 05:29:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgn2y2pt724slnndq4fl5pifw7lilvzzecwwshqqcgwdkio64cqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
231af4f9626622427ed4df07e6ed351172b9a3417ee26235ba05ec14ed7dc7e4
AgentTesla
6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950
AgentTesla
b6b90cdf2c07f42826129b55d85408c8c6c80e1603db642f7881735a7ed1e1b0
AgentTesla
b7c392fdfb83df479372c77f3fc1e91fde1f1317ec3c944380e0262df33638a9
AgentTesla
de84b70d7248de297cf2ab2cfe38eff4b41d558551db8a4b4d3399dbf480f103
AgentTesla
+ 16'274 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/220311-hx8qcsgeb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
.NET Reactor proctector
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2815881322d57529c55c2347d0dc65365bd923b1c18c31b806a3fbbe8a636f7b
MD5 hash:
bce7b577297f85aeb0534df22c667dff
SHA1 hash:
933389535aa4fc67d2db6f81c771f59895bef4ce
Link:
https://www.unpac.me/results/d12315f6-340b-4d51-b933-ec07d1abe86a/
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
Link:
https://www.unpac.me/results/d12315f6-340b-4d51-b933-ec07d1abe86a/
SH256 hash:
8ea12aaf22a78e896665fd465e412646a84637a80eb4efd8b0ff632628bcd48f
MD5 hash:
9502320bd5381b5beb52bea575c5bc62
SHA1 hash:
2ef4dea1ffc0f624447deb0f31b85487c7abe4ba
Link:
https://www.unpac.me/results/d12315f6-340b-4d51-b933-ec07d1abe86a/
SH256 hash:
656a4acf2e3c22ab6b2b250a455f2a397b817ee725262b602751145d93376565
MD5 hash:
34e804982c798d7da7c34efacb1c3e47
SHA1 hash:
2748ce75b8c016e3219fc3818bb1433c2fad3573
Link:
https://www.unpac.me/results/d12315f6-340b-4d51-b933-ec07d1abe86a/
SH256 hash:
a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1
MD5 hash:
8a1df850c5c7037024ade51516f5fbe4
SHA1 hash:
89b4b924b17f569558765b766451892cf38b71b9
Link:
https://www.unpac.me/results/d12315f6-340b-4d51-b933-ec07d1abe86a/
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/a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1

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: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 a99bac69f3feb925b5a3870abebd05b7d685d73920ad691e1011ac3521dee0a1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/249294/

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