MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f1d18359bfd91d436437dc5c6055e5d98f72035655ad421cd66e20cd9c97ea60. 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: 16
| SHA256 hash: | f1d18359bfd91d436437dc5c6055e5d98f72035655ad421cd66e20cd9c97ea60 |
|---|---|
| SHA3-384 hash: | b5871ce03e676a2389b32b26dfda2d8708e6140640ba2db64c007a1ed2270d06caf72f401118886609f52bd817c1a6f2 |
| SHA1 hash: | f099de88dcdc8485e40e2e31886e84346004d286 |
| MD5 hash: | f082b57279dc51d84eccff9542da8c98 |
| humanhash: | seven-ten-autumn-steak |
| File name: | New RFQ.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 717'824 bytes |
| First seen: | 2024-06-03 16:18:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:bp19Kt/rFfasUByh6ksZ51Fh/p7aaj5i/7dPozt5wWKDYp8buyMtfHIMCanlU+kk:tKN5ishY5LppGw0stqWPp8bFMRuMSk6q |
| Threatray | 1'806 similar samples on MalwareBazaar |
| TLSH | T193E4125173E85B04C6BE93B83D21201017F9792B78AAE3DC4DD5A0DD2D7AF406632B9B |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Reporter |  threatcat_ch |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
382
Origin country :
CHVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
f1d18359bfd91d436437dc5c6055e5d98f72035655ad421cd66e20cd9c97ea60.exe
Verdict:
Malicious activity
Analysis date:
2024-06-03 16:19:41 UTC
Tags:
smtp exfiltration stealer agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
Tags:
Banker Encryption Execution Network Static Gensteal Dexter
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: MSBuild connects to smtp port
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 ftp login credentials
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2024-06-03 07:45:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 1'796 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
bf971f84cbaf772acd8a553a4c225e3766d5ce345a557f46143b8a4de5460444
MD5 hash:
55cdf682cae5d00eeacbc629a05d4ffe
SHA1 hash:
b5f2d0d2c393387cdb183c60cdddf2a87fcfc7bb
SH256 hash:
5d32a4ebaee90d86a469c3abed3570a87f104906094dd90c458def372d0df4e4
MD5 hash:
0c1e7bfd692be94880c54b7e431cc871
SHA1 hash:
439e0832d2618281969dc9748167f21a2c1638c6
Detections:
AgentTesla
win_agent_tesla_g2
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Agenttesla_type2
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
8dca66c6742519d3fbabd80a04a79b44cac001de9bb6d811b0054b40bd411c72
MD5 hash:
1c40197b871d1afde593915561fa31ab
SHA1 hash:
1d99a949c2ff612dbcaf66278dee1267facee70b
SH256 hash:
f1d18359bfd91d436437dc5c6055e5d98f72035655ad421cd66e20cd9c97ea60
MD5 hash:
f082b57279dc51d84eccff9542da8c98
SHA1 hash:
f099de88dcdc8485e40e2e31886e84346004d286
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| 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 |
| Rule name: | Windows_Generic_Threat_9f4a80b2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla |
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
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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