MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88263a8938955ebaa8edb9484f39876b5968c35a66cf9a8b8267e37ba7539900. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 88263a8938955ebaa8edb9484f39876b5968c35a66cf9a8b8267e37ba7539900
SHA3-384 hash: b13f1f370b6ea01a8d85a73649788b82d5606881da158771d6367aabda1a30f3db27ca095f73ececc2b5d3f47054fb1b
SHA1 hash: bb15df213ffd9c8dc546af9daa2036a48d1f0fc0
MD5 hash: 58b35fa2bfdc3438d2fb91ec4f8421f6
humanhash: glucose-cup-bacon-bacon
File name:SOA#J789590D.exe
Download: download sample
Signature AgentTesla
File size:1'290'752 bytes
First seen:2021-08-12 13:15:48 UTC
Last seen:2021-08-13 05:56:19 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:zvMNtI0oJ8EFn3Qcd1ofKGHXuei1GZZS5R0:zvemzbAeLG3B
Threatray 8'337 similar samples on MalwareBazaar
TLSH T1BC55F069324075FEC867CA3289541C10EA606C6687CFD37E60137DA9DEFE99B8B101F2
dhash icon 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA#J789590D.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 13:17:11 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 in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
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)
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: 464220 Sample: SOA#J789590D.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Antivirus detection for dropped file 2->42 44 10 other signatures 2->44 7 SOA#J789590D.exe 7 2->7         started        process3 dnsIp4 36 192.168.2.1 unknown unknown 7->36 28 C:\Users\user\AppData\...\zOZBXguWcibZd.exe, PE32 7->28 dropped 30 C:\...\zOZBXguWcibZd.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\Temp\tmpE39.tmp, XML 7->32 dropped 34 C:\Users\user\...\SOA#J789590D.exe.log, ASCII 7->34 dropped 46 Detected unpacking (changes PE section rights) 7->46 48 Detected unpacking (overwrites its own PE header) 7->48 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->50 52 5 other signatures 7->52 12 powershell.exe 25 7->12         started        14 powershell.exe 24 7->14         started        16 schtasks.exe 7->16         started        18 2 other processes 7->18 file5 signatures6 process7 process8 20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-12 10:22:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
20 of 28 (71.43%)
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 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:
6af5e1159209ef8093304c385e2fc5cd16afb59e37f36e65a794c17383c0ade2
MD5 hash:
507d37fb47db3d3bbd7243bd6320d34a
SHA1 hash:
ddfc9baf4172e22c3f578f99f610f0be992d3c7d
SH256 hash:
3aede958c6d615d4eab2e743eead7c9ad5d3db7913f483c9dbd75c49f8cde420
MD5 hash:
64cf07424217b48c0214ed8ce94b4a59
SHA1 hash:
c3cca30bb7fadd1df6e7c407387fd2d6a324ddfd
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
88263a8938955ebaa8edb9484f39876b5968c35a66cf9a8b8267e37ba7539900
MD5 hash:
58b35fa2bfdc3438d2fb91ec4f8421f6
SHA1 hash:
bb15df213ffd9c8dc546af9daa2036a48d1f0fc0
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.

  
Delivery method
Other

Comments