MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8c5f7418d9d98a90fc966c8796c54238f5de69a7e04eb19bdeec52457152c41. 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
| SHA256 hash: | b8c5f7418d9d98a90fc966c8796c54238f5de69a7e04eb19bdeec52457152c41 |
|---|---|
| SHA3-384 hash: | b3570f8f4a7680efe4b7eeef6415fd36ce19629e61061c3cd3d9fbd2080558f93e43f3bdd33b77ad2e0372de8a7e9157 |
| SHA1 hash: | 905ec57c6de97f01a0e3646319f11dca756b5e92 |
| MD5 hash: | 0b8613ed28e9c0b65e22f94c50c5345b |
| humanhash: | vegan-artist-chicken-nitrogen |
| File name: | RFQ-1bCNiGsdW1SeDO2.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 866'816 bytes |
| First seen: | 2022-04-06 12:55:18 UTC |
| Last seen: | 2022-04-06 14:06:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:V2KJjg34FcrkVEN+LGMuCyDDrtAV147RZ6EMS9sHLqb:pJjQIVEFXfOGwEMSuHL |
| Threatray | 15'666 similar samples on MalwareBazaar |
| TLSH | T18E05CF09FBB6DA16D258AB77C0D7A80843B0E501E617D70F7B91A7E609033AF8C4665F |
| File icon (PE): |  |
| dhash icon | 4af1f0e0e0f0d0b2 (18 x SnakeKeylogger, 13 x AgentTesla, 9 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-05 18:04:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 25 (68.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 15'656 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection 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
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5251286270:AAH8w_sKwAmx6PXts3_kE09k0gDunJyDOlY/sendDocument
Unpacked files
SH256 hash:
b8c5f7418d9d98a90fc966c8796c54238f5de69a7e04eb19bdeec52457152c41
MD5 hash:
0b8613ed28e9c0b65e22f94c50c5345b
SHA1 hash:
905ec57c6de97f01a0e3646319f11dca756b5e92
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: | 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
Dropped by
AgentTesla
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.