MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c256525c8f37a9a8fa3f42995a9d257d4305e7939ccb35949a856ecc8b2a99e2. 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: 17
| SHA256 hash: | c256525c8f37a9a8fa3f42995a9d257d4305e7939ccb35949a856ecc8b2a99e2 |
|---|---|
| SHA3-384 hash: | 02a70318f9372e3df3c046f257caa96a9f3db4a7598977f2d726da5fba5e353801d2bd79cc528c32787821d8a48560d3 |
| SHA1 hash: | d79de886c9c08d7fdd2c06d166e2b566ab547db2 |
| MD5 hash: | fd76508f5057b6a9c7c831b250b5a3c4 |
| humanhash: | cat-maine-shade-island |
| File name: | INVOICE.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 249'887 bytes |
| First seen: | 2023-02-24 14:03:35 UTC |
| Last seen: | 2023-02-26 18:54:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 3072:XfY/TU9fE9PEtumbloLtNgB0yj+mgHXbky+wT7dhrN/IhY3SvCb/09xWg66JDVIa:PYa6OapNIWXAYiY3pm9DTQOyC |
| Threatray | 468 similar samples on MalwareBazaar |
| TLSH | T10634124832E0C876FDF30972197E4A7BEAB6B51A9066434F07504A4C3E27791DF4B792 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  James_inthe_box |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-02-24 14:12:19 UTC
Tags:
agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (creates a PE file in dynamic memory)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the hosts file
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)
Snort IDS alert for network traffic
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 Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-24 01:32:36 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 25 (76.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 458 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
Drops file in Drivers directory
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Unpacked files
SH256 hash:
99b0afac732e1e3f75617c6e044de40efaca35ccab3f9b272fc288e33b7b2d35
MD5 hash:
d12657011b4bfac3f8413c077211353b
SHA1 hash:
074f1cd0e37c34326b4b6e9a87c61c1fcdc72160
SH256 hash:
c256525c8f37a9a8fa3f42995a9d257d4305e7939ccb35949a856ecc8b2a99e2
MD5 hash:
fd76508f5057b6a9c7c831b250b5a3c4
SHA1 hash:
d79de886c9c08d7fdd2c06d166e2b566ab547db2
Malware family:
AgentTesla.v3
Verdict:
Malicious
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Trojan_AgentTesla_d3ac2b2f |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_agent_tesla_ab4444e9 |
|---|---|
| Author: | Johannes Bader |
| Description: | detects Agent Tesla |
| 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
Delivery method
Other
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