MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4dffd570ce4a8e028792618d6bb2522286bc13778c029ac4059d566c78baf8a. 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: | b4dffd570ce4a8e028792618d6bb2522286bc13778c029ac4059d566c78baf8a |
|---|---|
| SHA3-384 hash: | d37ddd452644bf9475e37dd58d8fc314716d55ab278608c264f5e28b8659d127609233d1786421970f85c7fcdac9e89d |
| SHA1 hash: | 8dbe684913148e7e6b6565fb7ecc6e12173681de |
| MD5 hash: | 9e4bc06b6dcb0d308c4a6a2e2a31b49a |
| humanhash: | idaho-angel-mexico-seventeen |
| File name: | Purchase Order__________pdf_____________________.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 833'024 bytes |
| First seen: | 2021-04-19 18:31:27 UTC |
| Last seen: | 2021-04-19 19:52:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:xFHdDW5yjJaMN/urt/UWtjUNRRRRRuGB:ZW5kJaMZurt/tUNRRRRRuG |
| Threatray | 4'050 similar samples on MalwareBazaar |
| TLSH | FA05DF3D63888958E73EB3B94762E24493B4BC7A178BD60EFCB178762831A43078755D |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order__________pdf_____________________.exe
Verdict:
Malicious activity
Analysis date:
2021-04-19 18:40:17 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
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
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
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 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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Gathering data
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 4'040 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
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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