MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3fa8bd6b585950b90a820e54ce4b98e306dba962498f7f098ebd811dfdc735f. 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 2 File information Comments

SHA256 hash: d3fa8bd6b585950b90a820e54ce4b98e306dba962498f7f098ebd811dfdc735f
SHA3-384 hash: c9733812d21de3548a1985f0770d0c08911337e4da995b5a25d492a7069009fab0fb0390041e54ff48612bbb923e1992
SHA1 hash: 163bca68d80b6231d72459e6ba9422e3c1c62bf3
MD5 hash: 4d939656953168c9c5425662145fe5dd
humanhash: ten-illinois-skylark-muppet
File name:z2116062023.exe
Download: download sample
Signature AgentTesla
File size:723'968 bytes
First seen:2023-06-19 18:13:43 UTC
Last seen:2023-06-20 07:56:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:gVtYq7J3At5iHOq+ZQUMbTKU/tJPsLhv/syKBmRIcRYpJbXzbx22Qf:gTYqtm8OqKobhfQv6mRIWYvXz922Qf
Threatray 3'044 similar samples on MalwareBazaar
TLSH T1F4F4128C39648653D47A4BB8C9A137B61BBE5BA9BC21F7D92DD3B0D8ECE1B811151303
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
289
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z2116062023.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 18:15:46 UTC
Tags:
n/a

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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890644 Sample: z2116062023.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 3 other signatures 2->57 7 z2116062023.exe 7 2->7         started        11 sLDhkIHAHvw.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\sLDhkIHAHvw.exe, PE32 7->33 dropped 35 C:\Users\...\sLDhkIHAHvw.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp5F80.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\...\z2116062023.exe.log, ASCII 7->39 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 May check the online IP address of the machine 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Adds a directory exclusion to Windows Defender 7->65 13 z2116062023.exe 15 7 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 z2116062023.exe 7->21         started        67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 23 sLDhkIHAHvw.exe 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 smtp.yandex.ru 77.88.21.158, 49683, 49684, 49687 YANDEXRU Russian Federation 13->41 43 api4.ipify.org 64.185.227.155, 443, 49682, 49685 WEBNXUS United States 13->43 49 2 other IPs or domains 13->49 71 Installs a global keyboard hook 13->71 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 smtp.yandex.com 23->45 47 api.ipify.org 23->47 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->73 75 Tries to steal Mail credentials (via file / registry access) 23->75 77 Tries to harvest and steal browser information (history, passwords, etc) 23->77 31 conhost.exe 25->31         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-19 04:14:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies system certificate store
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
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:
793ced49c8ae59e01921af35be2ed535fdd3e05c549a72b7a17543313ce8c010
MD5 hash:
ff981ee24d85f4efd2b3b6fa60c71d47
SHA1 hash:
f3c6cfb537042ad31f72b8f75d8f6abcab6ba9a8
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
d2ebd3a6d8d4851e929ace6451b49e57113dd84f2d60c293f6e79b94a42183d4
MD5 hash:
02619cb58a6d438fde337cc313ca6db5
SHA1 hash:
cf7ce53022c1128d54ec45db8dba3d59f42a5137
SH256 hash:
a2e02b6f1923d96ac9f1eeccbfcd8652b17d9d9370710aaed973f4ceaf2858ba
MD5 hash:
08b04c5a921d566eb0275ebff1315edb
SHA1 hash:
80de8344d198a7c6e3e45803a416f9e6c895252b
SH256 hash:
274c9d689df9ab2fe033f32903e2d741850b412f8060b0e3b7a3a9cf9a676b48
MD5 hash:
d2474aad643d68351b0048f3f2cb2251
SHA1 hash:
6b867a2d09a868969ca47dfe91e273a812ebd8ac
Detections:
AgentTeslaXorStringsNet
SH256 hash:
d3fa8bd6b585950b90a820e54ce4b98e306dba962498f7f098ebd811dfdc735f
MD5 hash:
4d939656953168c9c5425662145fe5dd
SHA1 hash:
163bca68d80b6231d72459e6ba9422e3c1c62bf3
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: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 d3fa8bd6b585950b90a820e54ce4b98e306dba962498f7f098ebd811dfdc735f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments