MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2. 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: | 143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2 |
|---|---|
| SHA3-384 hash: | cccbeaa16a9c0c04f68a530f79ccbf142c73970c741705ad4a429e599db420fff68b408e69f68a89624be7206af64725 |
| SHA1 hash: | 55fa99225cb02841d4b8bd4d207831f8631fe855 |
| MD5 hash: | a4e1da4de6991f0e7e6de4ab3497563c |
| humanhash: | skylark-snake-missouri-magazine |
| File name: | PO_PDF24032024.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 684'128 bytes |
| First seen: | 2024-03-27 02:14:34 UTC |
| Last seen: | 2024-03-27 04:14:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:Gf2Ov+kR/c07tYZLyOJ1nlffll8QNOBf7sjqDz6/wM5pu+BfjhKfAie:wFRU0BYZOEvlHkojSz63tKbe |
| TLSH | T1A5E4121063FE413EE9BF5279B4B561000BBBEBA76542D7CF5C2068EA6923BC10761367 |
| TrID | 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 2.5% (.ICL) Windows Icons Library (generic) (2059/9) 2.4% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  threatcat_ch |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
339
Origin country :
CHVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 03:14:14 UTC
Tags:
agenttesla stealer
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
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CCH trojan
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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
57%
Verdict:
Susipicious
File Type:
PE
Detection:
agenttesla
Threat name:
Win64.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-27 01:10:49 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
17 of 23 (73.91%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
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
Unpacked files
SH256 hash:
143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2
MD5 hash:
a4e1da4de6991f0e7e6de4ab3497563c
SHA1 hash:
55fa99225cb02841d4b8bd4d207831f8631fe855
Malware family:
AgentTesla
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| 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: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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 (GUARD_CF) | high |
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