MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 066ba5b7cf97baedc26dac3ee41b2ccf76e50784629b4b4952022ae0bba39e95. 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: 12
| SHA256 hash: | 066ba5b7cf97baedc26dac3ee41b2ccf76e50784629b4b4952022ae0bba39e95 |
|---|---|
| SHA3-384 hash: | 72f689538fa53bd2af40ea92b38c6e3b12a9440c9d105dbcb78fe492d704135f32fab748f7f1702f3cc7aede6a92b759 |
| SHA1 hash: | 758b6d9dffee2f6dfbfcb013c5488598b798c2d9 |
| MD5 hash: | 06bcb717c82592e19696fd5f2a17ef9f |
| humanhash: | kentucky-carolina-venus-michigan |
| File name: | Halkbank_Ekstre_20231002_073809_405251-PDF.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 870'912 bytes |
| First seen: | 2023-10-05 09:31:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:Rt8zS55mFzAAWFzPXpcadjHMACLW+9aahJw7Xvw/t2aCDXTds9lfyqsKcFVP7r9W:Rtf55qMffcajULv9GTi27jM9M/1qX |
| Threatray | 38 similar samples on MalwareBazaar |
| TLSH | T1A605CF81E59466A1DD2D9BB16936CD3187233DBE6834E41C2CDE3EAB3BFB7925021413 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook) |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe geo Halkbank TUR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
282
Origin country :
NLVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Halkbank_Ekstre_20231002_073809_405251-PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-10-05 09:51:00 UTC
Tags:
stealer agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Verdict:
Malicious
Labled as:
Variadic.A.410.Generic
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.
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Variadic
Status:
Malicious
First seen:
2023-10-04 08:57:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
20 of 37 (54.05%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 28 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
70bb93482d8cc8d291736ba29b6bc559f022b4a93a56a572267c1ba5af707b5f
MD5 hash:
3c671bdf3ecea0516f9e49ff704c5f12
SHA1 hash:
d4da175aaaf3eab36fc620950265833f56e72dbf
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
SH256 hash:
ada4ea5c094abffc6d15078d9b3be190eab3d483e675c9471586122a3908fe60
MD5 hash:
3b597ca8239049e6dd24d7644ec8d66d
SHA1 hash:
69d6d65483913128b86a2dc48ae660bfb4e3d4af
Detections:
win_agent_tesla_g2
SH256 hash:
066ba5b7cf97baedc26dac3ee41b2ccf76e50784629b4b4952022ae0bba39e95
MD5 hash:
06bcb717c82592e19696fd5f2a17ef9f
SHA1 hash:
758b6d9dffee2f6dfbfcb013c5488598b798c2d9
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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
Delivery method
Distributed via e-mail attachment
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