MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6679e14d4e7d4110251a984e8c4580330de9fd550faf91757354360673beec72. 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: 18


Intelligence 18 IOCs YARA 20 File information Comments 1

SHA256 hash: 6679e14d4e7d4110251a984e8c4580330de9fd550faf91757354360673beec72
SHA3-384 hash: f14df920d3b898c6836bfedac744fd7496abcfaf29b4f5d2449558417e0d15bb32c89d6561d18bde97acdc6d68318218
SHA1 hash: a142ccdc43dcd14ba3f7b57c70b06b8e4e7832db
MD5 hash: 957f18ab4db251c4c04ec51d97e27c4b
humanhash: speaker-moon-arizona-fillet
File name:957f18ab4db251c4c04ec51d97e27c4b
Download: download sample
Signature AgentTesla
File size:680'592 bytes
First seen:2024-06-04 09:57:06 UTC
Last seen:2024-06-04 10:37:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:AL5GHMbryoAaC2ena1sfiAWlKDxBIiZxTr9x1dWoJBwucG1ieHpDu:A1yMbGoYCsVNBlz9x1dWadAeHpDu
Threatray 4'185 similar samples on MalwareBazaar
TLSH T129E4231514DC883ED4BC383A58C3C3540A35BA5936E5978362F93D6529AB3223BB5CEF
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):PE icon
dhash icon 78f9b898b8c2c940 (16 x Formbook, 15 x AgentTesla, 2 x AveMariaRAT)
Reporter zbetcheckin
Tags:64 AgentTesla exe signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-06-03T12:28:01Z
Valid to:2025-06-03T12:28:01Z
Serial number: a7bdbf7ca4f4b6acd504dba40dbc3047
Thumbprint Algorithm:SHA256
Thumbprint: e93534fc93de8d7ef02f91e9fcfa3818ef494d07b88a0bc982dc2c5ad93a3feb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
397
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
6679e14d4e7d4110251a984e8c4580330de9fd550faf91757354360673beec72.exe
Verdict:
Malicious activity
Analysis date:
2024-06-04 09:59:26 UTC
Tags:
stealer agenttesla exfiltration evasion smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Execution Generic Infostealer Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: RegAsm connects to smtp port
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 ftp login credentials
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1451635 Sample: U39qqK8E7o.exe Startdate: 04/06/2024 Architecture: WINDOWS Score: 100 23 mail.fasmacopy.gr 2->23 25 api.ipify.org 2->25 31 Snort IDS alert for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 7 other signatures 2->37 7 U39qqK8E7o.exe 3 2->7         started        signatures3 process4 signatures5 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Writes to foreign memory regions 7->41 43 Allocates memory in foreign processes 7->43 45 Injects a PE file into a foreign processes 7->45 10 RegAsm.exe 14 2 7->10         started        14 WerFault.exe 19 16 7->14         started        17 conhost.exe 7->17         started        19 RegAsm.exe 7->19         started        process6 dnsIp7 27 mail.fasmacopy.gr 79.170.44.32, 49735, 49748, 49749 GODADDYDE United Kingdom 10->27 29 api.ipify.org 172.67.74.152, 443, 49733 CLOUDFLARENETUS United States 10->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->49 51 Tries to steal Mail credentials (via file / registry access) 10->51 53 3 other signatures 10->53 21 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->21 dropped file8 signatures9
Threat name:
Win64.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-03 17:34:09 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
14
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6679e14d4e7d4110251a984e8c4580330de9fd550faf91757354360673beec72
MD5 hash:
957f18ab4db251c4c04ec51d97e27c4b
SHA1 hash:
a142ccdc43dcd14ba3f7b57c70b06b8e4e7832db
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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:NET
Author:malware-lu
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

AgentTesla

Executable exe 6679e14d4e7d4110251a984e8c4580330de9fd550faf91757354360673beec72

(this sample)

  
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
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments



Avatar
zbet commented on 2024-06-04 09:57:07 UTC

url : hxxps://hartac.co.za/wp-content/plugins/dac83144a70c491c9bb53bbf00eb4cc1/xt/mmd/NUZfgivQhifX46kon.exe