MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48363aae8da413d26123fd250d665bd9bbb2123a233725d15aab0e9b9424d560. 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 15 File information Comments

SHA256 hash: 48363aae8da413d26123fd250d665bd9bbb2123a233725d15aab0e9b9424d560
SHA3-384 hash: c63a4a3f540195aa6f484f5ab1641e58f3461189a1e53004eb71ba87ab69873bc956891268574f5ab9174d32cc08bf7b
SHA1 hash: 5ff864bfe73d8d8ce236763de7b4ba77a967570b
MD5 hash: 2b30f0ccd92928eb9bf8e18a3e7146df
humanhash: alanine-kitten-september-idaho
File name:RFQ_SP_301123_PDF.exe
Download: download sample
Signature AgentTesla
File size:834'048 bytes
First seen:2023-12-04 14:11:14 UTC
Last seen:2023-12-04 19:19:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:vW0tW8G34/uK45+po2YnBlBfdA9sCOGMGb6ikxAfzIwJ+FupSh5qA1AT2z3/:s34/up+pJ8lBwsCOGF6i7JdpSzqcz
Threatray 3'168 similar samples on MalwareBazaar
TLSH T169052261722ADF2BCC7983F1E53A914423F17E6939A1E14E2EC232DE06733519E11E67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
351
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
92%
Tags:
masquerade packed
Result
Verdict:
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 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
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-04 09:35:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
14 of 23 (60.87%)
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
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1179499222463168573/PVUpZ1J1JtDuKSWVcXWilMvIlKb2Qchu7QhEEb_1sKVtTXLAEfM5aRMADIF1EWL0ZjkF
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
6a11b037c2f75c9a92ab4572552b6732fd4eede68a15ca27042609f775b5ea42
MD5 hash:
2528aea947778c782e46d0beebecfbf6
SHA1 hash:
63077153f9824838ffc97f88e9da0fa9e21ec32a
SH256 hash:
187e14f653b4acf42607d2aeb94ceb9eda2d434167fa84ac7a7326518f7b3706
MD5 hash:
84a518a024de6ff376da78f4764e4abf
SHA1 hash:
1e8d5de7cef002e19258ff2a5739e3c9b0d7473c
Detections:
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_SUSPICIOUS_EXE_DiscordURL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
2340d070fc92470913072bab9087c4ed5675a0e8d4c61145553a8aad52a16994
MD5 hash:
0cf35c9e685b649b084dc5d385aaa62b
SHA1 hash:
06ab63a9a595c6ef82206c7388ff6aee4b1adb51
SH256 hash:
48363aae8da413d26123fd250d665bd9bbb2123a233725d15aab0e9b9424d560
MD5 hash:
2b30f0ccd92928eb9bf8e18a3e7146df
SHA1 hash:
5ff864bfe73d8d8ce236763de7b4ba77a967570b
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
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_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.

Comments