MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6a7156a5145f236ba7d54846283937e7de223a933539b3869ac72a0bf7e8bbe9. 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
| SHA256 hash: | 6a7156a5145f236ba7d54846283937e7de223a933539b3869ac72a0bf7e8bbe9 |
|---|---|
| SHA3-384 hash: | 8a30a14612fc6d5fc233ab3650b49e05d3fa4eb571bb34a91df317ab9f97628942792c6ae88bb6d1aa4c7b54045965eb |
| SHA1 hash: | 2f34265fa238b802f4adde76277ed1a2ffda93ee |
| MD5 hash: | 55a529e0cc20f2bf9fb4627162e5da8d |
| humanhash: | venus-rugby-juliet-delaware |
| File name: | Purchase Orders.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 884'736 bytes |
| First seen: | 2022-01-07 03:17:25 UTC |
| Last seen: | 2022-01-07 14:05:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:pajBQ3ixoOKoQaj0QXNw4n0EQhkuRljaXIOqbd:wFQ3bfZaj0Qq40EQtRJ7 |
| Threatray | 13'640 similar samples on MalwareBazaar |
| TLSH | T17815122C72F98A65D7FF0FBD586005294A38928BED8DD79A10AD14CC18633634E65BF3 |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Orders.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-07 03:18:40 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Adding an access-denied ACE
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Forced shutdown of a system process
Adding exclusions to Windows Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed
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.
Verdict:
Suspicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Bypass UAC via CMSTP
Sigma detected: Powershell Defender Exclusion
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-07 02:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 28 (67.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 13'630 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection evasion keylogger persistence 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
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Windows security modification
AgentTesla Payload
AgentTesla
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot2081699912:AAEzV3q3VjR4t3322t8vefpFLkMbp3ETawA/sendDocument
Unpacked files
SH256 hash:
6a7156a5145f236ba7d54846283937e7de223a933539b3869ac72a0bf7e8bbe9
MD5 hash:
55a529e0cc20f2bf9fb4627162e5da8d
SHA1 hash:
2f34265fa238b802f4adde76277ed1a2ffda93ee
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Telegram_Exfiltration_Via_Api |
|---|---|
| Author: | lsepaolo |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
agenttesla
Delivery method
Distributed via e-mail attachment
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