MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95a4220eee2c9abcd9a387829c0a76226311111806518ec74219f2dfffee72e1. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 95a4220eee2c9abcd9a387829c0a76226311111806518ec74219f2dfffee72e1
SHA3-384 hash: d30d792ba21f533715348c1d0892dbd3f5c90262fa3ce9fb97510f5b514f365d0933ebba310099ec7a9bc5ad73932890
SHA1 hash: ef74b95c6e7cc64c50c923c7e9039a32ac2162c1
MD5 hash: d2bd31a0ad7d50bbc9789ddeae85169c
humanhash: wolfram-rugby-ink-white
File name:A3660.jpg.exe
Download: download sample
Signature AgentTesla
File size:990'720 bytes
First seen:2021-08-22 18:16:55 UTC
Last seen:2021-08-22 18:49:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Ckd0hBADN9X/NgL5xFkKdAkWp4C44DHfa1ns8:dfbvyb+KdAkq4Or0s
Threatray 8'742 similar samples on MalwareBazaar
TLSH T16625273C19B91637D1B9C365EBE08423F158985FB515EE6A6DDE03A7030BA8334C726E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
440
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
A3660.jpg.exe
Verdict:
Malicious activity
Analysis date:
2021-08-22 18:17:52 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
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
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
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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 steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 469562 Sample: A3660.jpg.exe Startdate: 22/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Yara detected AgentTesla 2->40 42 8 other signatures 2->42 7 A3660.jpg.exe 7 2->7         started        process3 file4 28 C:\Users\user\AppData\...\kZWJZBOufBiO.exe, PE32 7->28 dropped 30 C:\Users\...\kZWJZBOufBiO.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmpD8E0.tmp, XML 7->32 dropped 34 C:\Users\user\AppData\...\A3660.jpg.exe.log, ASCII 7->34 dropped 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->48 50 3 other signatures 7->50 11 A3660.jpg.exe 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 23 7->16         started        18 2 other processes 7->18 signatures5 process6 signatures7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal ftp login credentials 11->54 56 Tries to harvest and steal browser information (history, passwords, etc) 11->56 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 18->26         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-22 16:10:38 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
6d2760768400305c63d52b81e9f532784cc826b051e3f77b2ec7275011c3fd70
MD5 hash:
c449163cf4a663add9747c649b4d2a49
SHA1 hash:
c5da833143972b866e8d1c023154e86fb2010c25
SH256 hash:
6dc76e10358805c117595139f9c8ae90a9cda21d718d1b3e8d44c8068e8b622a
MD5 hash:
fdf0d76fdf2271d8996a429630aad820
SHA1 hash:
7285499d89f064b026f7565d5ed34a2fdada983b
SH256 hash:
95a4220eee2c9abcd9a387829c0a76226311111806518ec74219f2dfffee72e1
MD5 hash:
d2bd31a0ad7d50bbc9789ddeae85169c
SHA1 hash:
ef74b95c6e7cc64c50c923c7e9039a32ac2162c1
Malware family:
Agent Tesla v3
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: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 95a4220eee2c9abcd9a387829c0a76226311111806518ec74219f2dfffee72e1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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