MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 29b71c3a7f3ae4017bd2e71cee4e9fbecfe5c7693ef30b5c541d27edc3d425b8. 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: 15
| SHA256 hash: | 29b71c3a7f3ae4017bd2e71cee4e9fbecfe5c7693ef30b5c541d27edc3d425b8 |
|---|---|
| SHA3-384 hash: | 085dc87f15935ee141f394a8a684ce965c738893d1144dec6b714c054556c08bedac4a129e12db9fbceb21dc93ff7742 |
| SHA1 hash: | 5d0e55293b342f849f2a4a5e71174af52559a466 |
| MD5 hash: | 83b5f3c1326831ab20c2d8114e4c324e |
| humanhash: | blue-stairway-california-arkansas |
| File name: | 83b5f3c1326831ab20c2d8114e4c324e.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 661'864 bytes |
| First seen: | 2024-03-29 10:29:18 UTC |
| Last seen: | 2024-03-29 12:55:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:i2WIm0FEUjrw3i/03o7BcD1Q38vYWYNwmDSOaqaJez7bKaNoVsnjBf/LT3pCj:i2W70F7jL03GcDyeYjwqSOvaJezaaNsF |
| Threatray | 4'580 similar samples on MalwareBazaar |
| TLSH | T192E42260B3D5E922F3DE13748E16E2FA12716E219C6BD20778E17F1F3E3768041966A1 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| File icon (PE): |  |
| dhash icon | e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe signed |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-03-28T13:51:09Z |
| Valid to: | 2025-03-28T13:51:09Z |
| Serial number: | a1c20fcf63876110bdb00ffdaf35ae7a |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 7211d1b4da4ffabc4a34573e18ec97b8352505577566b6ced252b218292eac73 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
373
Origin country :
NLVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
29b71c3a7f3ae4017bd2e71cee4e9fbecfe5c7693ef30b5c541d27edc3d425b8.exe
Verdict:
Malicious activity
Analysis date:
2024-03-29 10:30:58 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
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed
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.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic
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:
65%
Verdict:
Susipicious
File Type:
PE
Threat name:
Win64.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-28 16:18:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
12
AV detection:
17 of 24 (70.83%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 4'570 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
29b71c3a7f3ae4017bd2e71cee4e9fbecfe5c7693ef30b5c541d27edc3d425b8
MD5 hash:
83b5f3c1326831ab20c2d8114e4c324e
SHA1 hash:
5d0e55293b342f849f2a4a5e71174af52559a466
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.06
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| 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_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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.
Web download
Delivery method
Distributed via web download
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_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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