MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8d3f758805cb3771d0bec6fc6e75b15c6e4d35ac3f0e15ac5470a2f013c7d4a. 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: | b8d3f758805cb3771d0bec6fc6e75b15c6e4d35ac3f0e15ac5470a2f013c7d4a |
|---|---|
| SHA3-384 hash: | 9473aebebb738e93e952e309e46d7b7892d0314f9d4707e5f5dce9221e1020f940cd8834ed379d87175018c1a4d94cf1 |
| SHA1 hash: | 472d04c0ef51a1c456f7fabe3dae855ada8f3ab0 |
| MD5 hash: | 4e8c152b5fc9ef12788fddb8c275d3fe |
| humanhash: | tennis-wyoming-cat-pasta |
| File name: | Proforma Invoice.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'303'552 bytes |
| First seen: | 2021-02-17 06:15:35 UTC |
| Last seen: | 2021-02-18 02:47:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 24576:HByOQZ7iYtU+wkxKul6jVuMhfilfUrQ8Spmjx5h:pQZ7iYtK6YAMhfermjx |
| Threatray | 2'668 similar samples on MalwareBazaar |
| TLSH | C6559CAE360073DEC867CE36C9681C28EBE4B57A5B0BD203906355DC9A9D997DF140F2 |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a UDP request
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:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-02-17 06:16:08 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 2'658 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
evasion persistence
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
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
SH256 hash:
b8d3f758805cb3771d0bec6fc6e75b15c6e4d35ac3f0e15ac5470a2f013c7d4a
MD5 hash:
4e8c152b5fc9ef12788fddb8c275d3fe
SHA1 hash:
472d04c0ef51a1c456f7fabe3dae855ada8f3ab0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| 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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