MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c9e0678b9ea69e0db2bd15c7d010b6d6faaf30993acf9bea685b4658acb936. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments

SHA256 hash: 03c9e0678b9ea69e0db2bd15c7d010b6d6faaf30993acf9bea685b4658acb936
SHA3-384 hash: 6a228619087cb1c7b12eddc6846f2b4eb231258ea2ce350db97df0c8502f36b49d1bdfbe5b1481babb27a0502c9ab088
SHA1 hash: 895de2be9025ba0ffb3c975d406637a27450001b
MD5 hash: aaf88e61d912fd6c50e7e4a3fd1d60c0
humanhash: hydrogen-oranges-fillet-two
File name:Factura comercial.pdf.exe
Download: download sample
Signature AgentTesla
File size:660'992 bytes
First seen:2023-10-16 14:03:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4zfqBu4VV6FDKviuL4FVhH0YBI63HKq/bHq8KWKiQL/+:4T6NVcFW9QUa9bvw
Threatray 586 similar samples on MalwareBazaar
TLSH T17FE4236806C9C71BF8710BFA8967D342D7F125272069E6BD0C8918CD4EBB7988582FD7
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 :
1
# of downloads :
321
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-10-16 09:11:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 23 (69.57%)
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
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
79c0e449fe2519eb3616325819e71007e416ac79270cf9b1961f608ec538e51d
MD5 hash:
7222dac23c7761531ac7907b8505c0ab
SHA1 hash:
c81b65ae0d1ea7cedd75b4b05e721d297df93a00
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
SH256 hash:
0da7152d158e456a2e2f17e4438c228f6d20426d8b2a92fb81c01ba1539dfd7b
MD5 hash:
6feee06c315af546b2f3a31e20a7a569
SHA1 hash:
69deba9aa2a02585f052d32178f6fa3cac4c9cbd
SH256 hash:
03c9e0678b9ea69e0db2bd15c7d010b6d6faaf30993acf9bea685b4658acb936
MD5 hash:
aaf88e61d912fd6c50e7e4a3fd1d60c0
SHA1 hash:
895de2be9025ba0ffb3c975d406637a27450001b
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_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.

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