MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91. 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 6 File information Comments

SHA256 hash: 77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91
SHA3-384 hash: 5e93068e1e58f4d67969dcecd2e2169a12139948e5135f05e819099ba05192783d3a9c480de2a136a482f6d2b9a5ab9a
SHA1 hash: 98d0cb5c4c4f00a1bebe826e60c65eef639a8dc7
MD5 hash: a390d1c199622b6608a8b40f77689bd7
humanhash: wisconsin-alabama-orange-carolina
File name:04251452615625625.exe
Download: download sample
Signature AgentTesla
File size:909'312 bytes
First seen:2023-12-02 16:38:41 UTC
Last seen:2023-12-02 18:26:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:W8obXVUqFOmJ5ZmQj6K2KrMH+JuZA1xBItlafFeIAGdw:hYVVDT7j6l41kcBIE
TLSH T1A2155DD1F15088DAED6B0AF1BD2AA53024E3BE9D54A4810C559DBB1B76F3342209FE1F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon eeacac8cb6e2ba86 (561 x SnakeKeylogger, 142 x AgentTesla, 40 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
NL NL
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
Reading critical registry keys
Сreating synchronization primitives
DNS request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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 potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-22 06:38:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
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
Legitimate hosting services abused for malware hosting/C2
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/1176621449583263805/5JKryEUiTfkpFgwR0jfx1lxhlHrdD27Aj8EDwTK5fF7OvWWBv_Qi0oMYi0fTpMW-lLTE
Unpacked files
SH256 hash:
186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669
MD5 hash:
46f31ce406879d3fa817588414d40997
SHA1 hash:
86724872ac35ec0a7f2ba704c9ccb5b6120384f5
SH256 hash:
71da2b7a11626633f7ee5f57ce30c0090a0bf7862bda0e04e9a56ac798c5d4db
MD5 hash:
e208c452650ca46554fd77d47e5bc4ad
SHA1 hash:
6e008be986e8455db90f281ca10c59e2fbbe8637
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:
5266679cf0e9a7834a891769ca77c680c2e22feada825f60abf2ef97e2bc1399
MD5 hash:
2522260415384ffcf954196dc2aa35ce
SHA1 hash:
5a60351d548c6df9784cb077eade66ab29348a5c
SH256 hash:
18248f007e0342921d14b044001395c8447b73534cfee7a4c89a90e681b51a6b
MD5 hash:
adad3a3e7925f43b9f797f289d25f890
SHA1 hash:
4e7d436dc161026da67ef02b78acf02d7d9b38dc
SH256 hash:
77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91
MD5 hash:
a390d1c199622b6608a8b40f77689bd7
SHA1 hash:
98d0cb5c4c4f00a1bebe826e60c65eef639a8dc7
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

AgentTesla

Executable exe 77d3daaae1248e670428b17c46a8bdb30b90c175cc70192fb1f7dbee025b9a91

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments