MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56f76a46dce436b266c15dcf4b0b849d818f06e997b65d36e3b5dab7187712b0. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 56f76a46dce436b266c15dcf4b0b849d818f06e997b65d36e3b5dab7187712b0
SHA3-384 hash: 00ce79b61a0c69b7ac6774dee3257246abaef2650e33c481c8a873789e139411a8b9bbe29050eaa011ff1aa8723f4efa
SHA1 hash: 52f96103bed23a28287a58e456a33a93f2ff57e9
MD5 hash: 0df9a9a0f76188fcc0df1485decb49ef
humanhash: delaware-juliet-papa-winner
File name:PO-38900167-2021.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'037'824 bytes
First seen:2021-08-06 13:31:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:MZ8050SnUrHbB7iBVyJ2UfYVnU14Ua2pehXVEXEIGw0lx9dE8SdxJD26fDwtmq1n:MZ8ayHOVATyns/Mm7G/d0xrsjAMNjD
Threatray 10'053 similar samples on MalwareBazaar
TLSH T14325D081E185EA06C59818BF1F3DF6B057FC4D9A0556C0812ED4EE473BABEFA09C25C6
dhash icon f0d88d061bd2d0f0 (8 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.thevirabali.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-38900167-2021.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-06 13:39:14 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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
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 steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460736 Sample: PO-38900167-2021.pdf.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 30 Sigma detected: Suspicious Double Extension 2->30 32 Uses an obfuscated file name to hide its real file extension (double extension) 2->32 34 Initial sample is a PE file and has a suspicious name 2->34 36 2 other signatures 2->36 7 PO-38900167-2021.pdf.exe 4 2->7         started        10 HksDkVH.exe 4 2->10         started        12 HksDkVH.exe 2->12         started        process3 signatures4 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->40 42 Adds a directory exclusion to Windows Defender 7->42 14 PO-38900167-2021.pdf.exe 2 9 7->14         started        18 powershell.exe 26 7->18         started        44 Injects a PE file into a foreign processes 10->44 20 powershell.exe 10->20         started        process5 file6 26 C:\Users\user\AppData\Roaming\...\HksDkVH.exe, PE32 14->26 dropped 28 C:\Users\user\...\HksDkVH.exe:Zone.Identifier, ASCII 14->28 dropped 46 Moves itself to temp directory 14->46 48 Tries to steal Mail credentials (via file access) 14->48 50 Tries to harvest and steal browser information (history, passwords, etc) 14->50 52 2 other signatures 14->52 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-06 13:32:04 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
74c20fc9d2d18797edac937c48301f4976dd1c47b6c9da3e7e2dfbcc3dc627b5
MD5 hash:
a1487ea86521420426bdb28a3fffdd3f
SHA1 hash:
bcd497451e955bcbe5409902889a241ef1a9bf93
Detections:
win_agent_tesla_w1
SH256 hash:
2984b3b906d84ff87513cb225e408b8d14afc1c7bc4124c2a35244790b2d6b48
MD5 hash:
1c75b502ee8f94578dbee84073c75c00
SHA1 hash:
27163d46174e6557568dfd5ed1ec6d85703b7de4
SH256 hash:
56f76a46dce436b266c15dcf4b0b849d818f06e997b65d36e3b5dab7187712b0
MD5 hash:
0df9a9a0f76188fcc0df1485decb49ef
SHA1 hash:
52f96103bed23a28287a58e456a33a93f2ff57e9
Malware family:
Agent Tesla v2
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 56f76a46dce436b266c15dcf4b0b849d818f06e997b65d36e3b5dab7187712b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments