MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea86beebc5237d00ee6fd3cffbbb07e0e625da940cc056e07ff26b9f47ed9a5f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: ea86beebc5237d00ee6fd3cffbbb07e0e625da940cc056e07ff26b9f47ed9a5f
SHA3-384 hash: e32e342cbd804f346448a5417c3421129f17f4f12c4c6c4a1c48a0cf52f068824949a1efbd80d7b0bc1ba313d25d9795
SHA1 hash: 74ef944becea9c2e7c452bae43d4714fe1024600
MD5 hash: 9b32e1fecfdeb8f1dced2e6376288751
humanhash: ohio-edward-winter-black
File name:RFQ11054.pdf.exe
Download: download sample
Signature AgentTesla
File size:695'296 bytes
First seen:2021-05-07 13:34:51 UTC
Last seen:2021-05-11 14:03:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1DxGUp0W2a+ov+vbiLqcT7LrTzb4vvWcz8q7cL/O2WA6zY6CDJ5Wd3/zM:2UiI+oW+qK/rUnx4Lm2gYpLWd
Threatray 4'596 similar samples on MalwareBazaar
TLSH 86E412BD27D85F10C6FF9B346990522A02F5B0169C63F32C5AFC60B52E337548AA93E5
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eee3a79bdced476a47f4feda2dd96b587cdcaf3aa2394f3af5269ca1b01d40bf.zip
Verdict:
No threats detected
Analysis date:
2021-05-07 20:50:24 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
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
Adds a directory exclusion to Windows Defender
Found malware configuration
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
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: Suspicious Double Extension
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 ftp login credentials
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: 408725 Sample: RFQ11054.pdf.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Found malware configuration 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 11 other signatures 2->72 7 RFQ11054.pdf.exe 7 2->7         started        11 pGKuRU.exe 2->11         started        14 pGKuRU.exe 2->14         started        process3 dnsIp4 52 C:\Users\user\AppData\...\geFvfxQBeF.exe, PE32 7->52 dropped 54 C:\Users\...\geFvfxQBeF.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmpFDD9.tmp, XML 7->56 dropped 58 C:\Users\user\...\RFQ11054.pdf.exe.log, ASCII 7->58 dropped 74 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 86 2 other signatures 7->86 16 RFQ11054.pdf.exe 7->16         started        20 powershell.exe 21 7->20         started        22 powershell.exe 24 7->22         started        32 2 other processes 7->32 60 192.168.2.1 unknown unknown 11->60 80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 84 Adds a directory exclusion to Windows Defender 11->84 24 powershell.exe 11->24         started        26 schtasks.exe 11->26         started        28 powershell.exe 11->28         started        30 pGKuRU.exe 11->30         started        file5 signatures6 process7 file8 48 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 16->48 dropped 50 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 16->50 dropped 62 Tries to harvest and steal ftp login credentials 16->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->64 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-07 11:11:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
ea86beebc5237d00ee6fd3cffbbb07e0e625da940cc056e07ff26b9f47ed9a5f
MD5 hash:
9b32e1fecfdeb8f1dced2e6376288751
SHA1 hash:
74ef944becea9c2e7c452bae43d4714fe1024600
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 ea86beebc5237d00ee6fd3cffbbb07e0e625da940cc056e07ff26b9f47ed9a5f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments