MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d27f09f3fbee726abe5888abf59e05c5f196df368a203796d80920e45596036a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: d27f09f3fbee726abe5888abf59e05c5f196df368a203796d80920e45596036a
SHA3-384 hash: 3de2dd96cf97071e20578ba2422eca9506188d61c69ab3f73ecf105a0dfc7042a43f47c19010fbc8f213cdf674827b6c
SHA1 hash: 1ad0e3fae859635d316b15941450aeae3c8b85d6
MD5 hash: 1b2eb1374c64a2c099289bd84e153b55
humanhash: harry-jupiter-maryland-salami
File name:BANK_STATEMENT.exe
Download: download sample
Signature AgentTesla
File size:729'600 bytes
First seen:2021-06-01 13:50:59 UTC
Last seen:2021-06-01 14:46:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8cMHu3oUBVZsW7NS2U1pFedmbA/f/XbiZv37W:8cMHu3oUBVZsaSN6aA3fbi
Threatray 5'471 similar samples on MalwareBazaar
TLSH 61F4DF6430AC5705E8FD67F90F60D4B013786D9A3812E22E6DD13DCB3ABDB4306A5A67
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5327756738723840.zip
Verdict:
Malicious activity
Analysis date:
2021-06-01 06:12:00 UTC
Tags:
trojan rat agenttesla

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

Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 427736 Sample: BANK_STATEMENT.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 7 other signatures 2->51 7 BANK_STATEMENT.exe 6 2->7         started        11 ppptOL.exe 2 2->11         started        13 ppptOL.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\...\IDdOOyFdGPX.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp1BF4.tmp, XML 7->29 dropped 31 C:\Users\user\...\BANK_STATEMENT.exe.log, ASCII 7->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-31 17:41:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
72
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
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 d27f09f3fbee726abe5888abf59e05c5f196df368a203796d80920e45596036a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments