MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ef5d37b29ba34c3c1a1d3dc36106c29aa043ba5869fadeb6ee52df7d13f8079. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 4ef5d37b29ba34c3c1a1d3dc36106c29aa043ba5869fadeb6ee52df7d13f8079
SHA3-384 hash: be50362b496a81bc2122fd51352e85f2482ae14eeac84351a4e5699f14b96e61f500d173ff890fb5592976efbc4f225d
SHA1 hash: e16799458deb8b316645429a8f7032145073be03
MD5 hash: 89bbcf7e251923c0710fa0635f2c8ae5
humanhash: lemon-aspen-kansas-fish
File name:202206071636.exe
Download: download sample
Signature AgentTesla
File size:67'072 bytes
First seen:2022-06-13 11:03:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:uab9i/1uFIZMYIIIIIIXllllllWvfIIQIWR1gRkg8Zg0kNK2Rpg3tNp1tnZDg/K:uab9CzHgeGUvDgi
Threatray 20'309 similar samples on MalwareBazaar
TLSH T13D63D852B7008A85E93B1B78882ADF900526AFBA7935D54944B47D337B33EC70C99CDB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0b1333332b2f3333 (18 x AgentTesla, 5 x AveMariaRAT, 2 x OskiStealer)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla payload URL:
http://ngcgas.com/loader/uploads/202206071636_Hpklvzpq.bmp

AgentTesla SMTP exfil server:
mail.nkpt.com.my:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
202206071636.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 23:08:43 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% directory
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-13 11:03:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
4ef5d37b29ba34c3c1a1d3dc36106c29aa043ba5869fadeb6ee52df7d13f8079
MD5 hash:
89bbcf7e251923c0710fa0635f2c8ae5
SHA1 hash:
e16799458deb8b316645429a8f7032145073be03
Malware family:
AgentTesla.v3
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

AgentTesla

Executable exe 4ef5d37b29ba34c3c1a1d3dc36106c29aa043ba5869fadeb6ee52df7d13f8079

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments