MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb57210b5fd113a175d3ad61b58e60c90f42b31b55f8f85b517378954ba8b05. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: efb57210b5fd113a175d3ad61b58e60c90f42b31b55f8f85b517378954ba8b05
SHA3-384 hash: 8745b2d3ababd696190666a879cf9528edda5eee24b0b6d6f59d4ad93b4d7e68ee253b40ff68711f443373126b001aa4
SHA1 hash: 0f001eb3ee2e99474899fd3be7412a87cdc7ac0f
MD5 hash: 3960bf5c9e3eed71bdad223cfee2e694
humanhash: hawaii-avocado-north-london
File name:Scan Doc_pdf.exe
Download: download sample
Signature AgentTesla
File size:870'912 bytes
First seen:2022-01-28 14:30:01 UTC
Last seen:2022-01-28 15:33:01 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:RnwpAFo9KEL+SAfwpb4geh0ZNF/VOvKv74r6uPguoPccX:2aoJ+2b4fh0o24r1j
Threatray 14'769 similar samples on MalwareBazaar
TLSH T107057D7DDE4A7900C132B8F0405BB4A402223EA217E78789DA7BFE0575FAA47DD7152E
File icon (PE):PE icon
dhash icon c89c98acacacbcac (31 x Loki, 23 x AgentTesla, 22 x AveMariaRAT)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan Doc_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-01-28 14:32:54 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
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 562169 Sample: Scan Doc_pdf.exe Startdate: 28/01/2022 Architecture: WINDOWS Score: 100 21 Found malware configuration 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected AgentTesla 2->25 27 12 other signatures 2->27 7 Scan Doc_pdf.exe 4 2->7         started        process3 file4 19 C:\Users\user\...\Scan Doc_pdf.exe.log, ASCII 7->19 dropped 29 Adds a directory exclusion to Windows Defender 7->29 31 Injects a PE file into a foreign processes 7->31 11 powershell.exe 22 7->11         started        13 Scan Doc_pdf.exe 2 7->13         started        15 Scan Doc_pdf.exe 7->15         started        signatures5 process6 process7 17 conhost.exe 11->17         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-28 11:29:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
SH256 hash:
807f168df25e34a5e1a083734154cefae735d162e99f503ebadcd18d4bfb9f48
MD5 hash:
b9ce588bb0950e493e2e661a624e4aa1
SHA1 hash:
4c473633605995393c10aa7925c1fc76645e6979
SH256 hash:
69bc33aa8a373a54ae52acf494f5767ca3175cd89f0409d2094655024497b8df
MD5 hash:
ecf2d565a647f9d1f15a6f4498a93bfc
SHA1 hash:
05872ade960c0bb32b9c14024c1fea4a76219d68
SH256 hash:
efb57210b5fd113a175d3ad61b58e60c90f42b31b55f8f85b517378954ba8b05
MD5 hash:
3960bf5c9e3eed71bdad223cfee2e694
SHA1 hash:
0f001eb3ee2e99474899fd3be7412a87cdc7ac0f
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.

  
Delivery method
Other

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