MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85f1e28eb004051825e9d38a727ac8971eab4b3e1585339a33596fb7101e5ac6. 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


Intelligence 16 IOCs YARA 11 File information Comments

SHA256 hash: 85f1e28eb004051825e9d38a727ac8971eab4b3e1585339a33596fb7101e5ac6
SHA3-384 hash: 6feaf3ceb2d6e9c251d2d08004b6458d6ae368b3c37cbefcd6ff2a201acafe26cbdc0df41d3d51ad3acf0afb96bc5c7b
SHA1 hash: 3561e280daa96eee621cf6592eced10fe39f364a
MD5 hash: adf241956d73017b877baf6424b0d399
humanhash: pluto-seven-wolfram-cardinal
File name:85f1e28eb004051825e9d38a727ac8971eab4b3e1585339a33596fb7101e5ac6
Download: download sample
Signature AgentTesla
File size:240'640 bytes
First seen:2023-12-05 07:16:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:WWuymieuqQkdV8bjx0gZVT1mNpgmNQj5+uNcAR:WWuymieuqQkdV8bjxTQpgmNQBNp
Threatray 3'168 similar samples on MalwareBazaar
TLSH T1FE340F037E48EB15E1A87E3B82EF6C2413B2B4C71633C60B6F49AF6618516425D7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
309
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-vm control evasive hacktool hook keylogger lolbin remote replace stealer
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Whispergate
Status:
Malicious
First seen:
2023-12-05 07:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
85f1e28eb004051825e9d38a727ac8971eab4b3e1585339a33596fb7101e5ac6
MD5 hash:
adf241956d73017b877baf6424b0d399
SHA1 hash:
3561e280daa96eee621cf6592eced10fe39f364a
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
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: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: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 85f1e28eb004051825e9d38a727ac8971eab4b3e1585339a33596fb7101e5ac6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments