MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d. 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: 16


Intelligence 16 IOCs YARA 9 File information Comments 1

SHA256 hash: 308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d
SHA3-384 hash: 301654ceeeb30e8e887ad0ca439b7e56a4b03db0a030039a7d8d60a6a38629aa488546b289bcf4d19248360ea7281987
SHA1 hash: 365bfd8d57b3d126091d178b36d75b2e5d9ca1d5
MD5 hash: 4e4c359c0e36f7e5b3dc44af663ceff5
humanhash: carpet-comet-summer-avocado
File name:4e4c359c0e36f7e5b3dc44af663ceff5
Download: download sample
Signature AgentTesla
File size:686'592 bytes
First seen:2023-10-03 12:48:15 UTC
Last seen:2023-10-03 14:38:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:eiMiSAx5PWPQmHUefOX0LGPc+oFECnGVUsHXg7c+aT7PMYmx9Nth6FV1:eiM7Ax5uPZ0efXK0TOVPwNgxmx956t
Threatray 3 similar samples on MalwareBazaar
TLSH T181E4EF7120FA6AD8F5E85EBB5C1084557EE76D098D21C20CE89432F91273BC9C61A6FF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
260.xls
Verdict:
Malicious activity
Analysis date:
2023-10-03 10:11:30 UTC
Tags:
opendir exploit cve-2017-11882 loader stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
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 with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1318697 Sample: qRwtSCqaTk.exe Startdate: 03/10/2023 Architecture: WINDOWS Score: 100 57 us2.smtp.mailhostbox.com 2->57 59 api4.ipify.org 2->59 61 api.ipify.org 2->61 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->71 73 10 other signatures 2->73 8 qRwtSCqaTk.exe 7 2->8         started        12 cikokE.exe 5 2->12         started        14 amnPsb.exe 2->14         started        16 amnPsb.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\Roaming\cikokE.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmpA73B.tmp, XML 8->55 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Uses schtasks.exe or at.exe to add and modify task schedules 8->85 87 Adds a directory exclusion to Windows Defender 8->87 18 qRwtSCqaTk.exe 17 5 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 27 cikokE.exe 12->27         started        35 3 other processes 12->35 29 amnPsb.exe 14->29         started        31 schtasks.exe 14->31         started        33 amnPsb.exe 16->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 63 api4.ipify.org 64.185.227.156, 443, 49765, 49767 WEBNXUS United States 18->63 65 us2.smtp.mailhostbox.com 208.91.199.224, 49766, 49768, 49775 PUBLIC-DOMAIN-REGISTRYUS United States 18->65 49 C:\Users\user\AppData\Roaming\...\amnPsb.exe, PE32 18->49 dropped 51 C:\Users\user\...\amnPsb.exe:Zone.Identifier, ASCII 18->51 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->75 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 31->43         started        81 Tries to harvest and steal browser information (history, passwords, etc) 33->81 45 conhost.exe 35->45         started        47 conhost.exe 37->47         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-10-03 10:13:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
54431b8241482126d4250c1e4afbc5ed230f4e5ec3f3d329816b5d8736658270
MD5 hash:
864b2a21cd2fe90f9fb3e9dfc6172415
SHA1 hash:
9b3d2ec6dbbb0b93d5d9d16da962aa0332b9152d
SH256 hash:
ae4fa62e6d706876d303cdc3940956545c7691e956e8cc121bc5e68310b1cd8f
MD5 hash:
d304c2fbfb92f104184df9c1f121fbb4
SHA1 hash:
8e9e8877d394f3df37dd7ed3df1831c9283d1677
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d
MD5 hash:
4e4c359c0e36f7e5b3dc44af663ceff5
SHA1 hash:
365bfd8d57b3d126091d178b36d75b2e5d9ca1d5
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_bytecodes_sep_2023
Author:Matthew @embee_research

File information


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

Web download

AgentTesla

Executable exe 308bba46bfcb12039b06105bef71afccd82acb7df7658a8a4497c1955c67ee5d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-10-03 12:48:16 UTC

url : hxxp://198.46.176.140/260/audiodg.exe