MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5d71b4ba13c6a8f154163c71f515dc26f64b61c6849af78e5aadc0356b86f89. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash: d5d71b4ba13c6a8f154163c71f515dc26f64b61c6849af78e5aadc0356b86f89
SHA3-384 hash: 86d4c416cb4694e32fab08445ff1f03b9f87aced296d7e0950b67da94a83be65e74091e6026ee9075d1a6c0842a0b98b
SHA1 hash: 548bd45261246b04752ca85996076b1753f6f510
MD5 hash: d53f2fa2528339ebcf0fb94a01d67751
humanhash: colorado-carolina-grey-neptune
File name:e-dekont_html.exe
Download: download sample
Signature AgentTesla
File size:646'144 bytes
First seen:2024-01-12 13:12:52 UTC
Last seen:2024-01-12 15:17:08 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:g6Uab/tjnQU2+8n0nYkTgLztte1lQ0cVWIbRf4yHoupHd:jUK/jL80tTgLHe16Nf4l
Threatray 2'559 similar samples on MalwareBazaar
TLSH T193D4128572D8DB31E5BEABF56277A2441371BD126291EB3C8D9270ED46A3F100B46F0B
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)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
d5d71b4ba13c6a8f154163c71f515dc26f64b61c6849af78e5aadc0356b86f89.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 13:39:21 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373729 Sample: e-dekont_html.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 44 cp5ua.hyperhost.ua 2->44 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 7 other signatures 2->54 8 e-dekont_html.exe 7 2->8         started        12 gBgLKmSOzsRos.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\gBgLKmSOzsRos.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp2F85.tmp, XML 8->42 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 e-dekont_html.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 gBgLKmSOzsRos.exe 12->24         started        26 schtasks.exe 12->26         started        28 gBgLKmSOzsRos.exe 12->28         started        signatures6 process7 dnsIp8 46 cp5ua.hyperhost.ua 91.235.128.141, 49707, 49710, 49711 ITLASUA Ukraine 14->46 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->68 70 Tries to steal Mail credentials (via file / registry access) 24->70 72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 38 conhost.exe 26->38         started        signatures9 process10
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2024-01-11 10:17:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
05c701e796567a98afd664481f2667abff69a58a6d8ad3af7616a27cc4f36ed4
MD5 hash:
4b462faff3377bfbfc79fa40c9e87b60
SHA1 hash:
f719f9c1dd83df22a212ac700cd56e20e7fd892c
SH256 hash:
a6de7ecceb18ef39b6b39360536cd2ef8858d1ead05d09f22249250adeb1b695
MD5 hash:
63739dce8ddd4f52af44b97071952a5f
SHA1 hash:
53af968496f941e4a3493c2b72e165de33dd1920
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
336e9e705854bc5e75fc416b2adbe511c8d43543699f993b396b7e72b723f797
MD5 hash:
f2bca1d28aa09daa02ea4bf8b6392204
SHA1 hash:
4f3a72099fe90ccb7b670376cc89b5158d36bcf1
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
d5d71b4ba13c6a8f154163c71f515dc26f64b61c6849af78e5aadc0356b86f89
MD5 hash:
d53f2fa2528339ebcf0fb94a01d67751
SHA1 hash:
548bd45261246b04752ca85996076b1753f6f510
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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

File information


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

Malspam

AgentTesla

Executable exe d5d71b4ba13c6a8f154163c71f515dc26f64b61c6849af78e5aadc0356b86f89

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments