MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73a58bd2571d8d329290851d371c92169cfcb94a3076589c92165f6391a4bcc3. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments

SHA256 hash: 73a58bd2571d8d329290851d371c92169cfcb94a3076589c92165f6391a4bcc3
SHA3-384 hash: f1e725b25eda5a3572cdc4b3872f59b3019ca78df67081882c8dd9ceaf471015d1350d9c87c44ea785c9d89205973c01
SHA1 hash: 3e4ee10170c114a4bc9adb1cc1aedb563d210e42
MD5 hash: b781032746e86d41657c92af9c6d1cce
humanhash: lion-double-bakerloo-west
File name:b781032746e86d41657c92af9c6d1cce.exe
Download: download sample
Signature AgentTesla
File size:1'056'256 bytes
First seen:2021-01-01 08:02:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:DWshhUF54clNf7+6uHAW92zt/sWu2BSMCqDoRTq7e:xo54clgLH+tkWJ0NX
Threatray 98 similar samples on MalwareBazaar
TLSH 7325D00433EC4B2BE1FF5BB5E0B29651C3B1B462652EEB8F5D8064EE1D273549910BA3
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence


File Origin
# of uploads :
1
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b781032746e86d41657c92af9c6d1cce.exe
Verdict:
Malicious activity
Analysis date:
2021-01-01 08:02:53 UTC
Tags:
stealer evasion

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

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a file in the %temp% directory
Deleting a recently created file
Replacing files
Creating a window
Sending a UDP request
Moving a file to the %AppData% subdirectory
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Stealing user critical data
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:
Echelon Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Contains functionality to capture screen (.Net source)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected Echelon Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.CoinStealer
Status:
Malicious
First seen:
2020-12-30 22:52:37 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
73a58bd2571d8d329290851d371c92169cfcb94a3076589c92165f6391a4bcc3
MD5 hash:
b781032746e86d41657c92af9c6d1cce
SHA1 hash:
3e4ee10170c114a4bc9adb1cc1aedb563d210e42
SH256 hash:
698e4beeba26363e632cbbb833fc8000cf85ab5449627bf0edc8203f05a64fa1
MD5 hash:
11bbdf80d756b3a877af483195c60619
SHA1 hash:
99aca4f325d559487abc51b0d2ebd4dca62c9462
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_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Cryptocoin_bin_mem
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
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_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Author:@ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_Avalon
Author:ditekSHen
Description:Avalon infostealer payload
Rule name:MALWARE_Win_Echelon
Author:ditekSHen
Description:Echelon information stealer payload
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Stealer_word_in_memory
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:Telegram_stealer_bin_mem
Author:James_inthe_box
Description:Telegram in files like avemaria

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 73a58bd2571d8d329290851d371c92169cfcb94a3076589c92165f6391a4bcc3

(this sample)

  
Delivery method
Distributed via web download

Comments