MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c87276e39076496a15adf73df2b1363c877b8c19004ad43cde5f40042c0b90. 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 4 File information Comments

SHA256 hash: a4c87276e39076496a15adf73df2b1363c877b8c19004ad43cde5f40042c0b90
SHA3-384 hash: 587ea178b5385b8af17453f3afe8e04c129c2ff0b873c4d22f303e9ee6830bfbda8d52489dfaebf39b6b32fc64672359
SHA1 hash: c4f66c8315a0c5d814c8b3122d0c51f4aa49e763
MD5 hash: 89ea4532a1fdfc04805e6158e2c55711
humanhash: ceiling-july-snake-foxtrot
File name:89ea4532a1fdfc04805e6158e2c55711.exe
Download: download sample
Signature AgentTesla
File size:1'124'864 bytes
First seen:2021-04-16 18:42:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:W3fMfWm49I3VWx12s3LRRRRRjXtAmAIRaksKZgW:sMfr4S3VWH2iLRRRRRjdAmAIRakse
Threatray 4'363 similar samples on MalwareBazaar
TLSH A53501CAB34EBB16D4E99779D0E863724135CCC5B361E93F28E972AD5EB16CE0040E52
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-16 08:43:58 UTC
Tags:
encrypted exploit CVE-2017-11882

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

Behaviour
Creating a window
Sending a UDP request
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 Telegram RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-16 16:04:48 UTC
AV detection:
19 of 47 (40.43%)
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
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1620445910:AAF2v81NoINJsu_XXnpGet1YDm-NxnznaIE/sendDocument
Unpacked files
SH256 hash:
e33b0d0b4b86f0dbb3d1278e68e88a650e5f3350694efb70be313761197b1969
MD5 hash:
471161f6f24e5d26b2db3e0ee18e80b5
SHA1 hash:
ed98f1178a5fe4b86fe0f7e4cd5ebbfba7483a30
SH256 hash:
a4c87276e39076496a15adf73df2b1363c877b8c19004ad43cde5f40042c0b90
MD5 hash:
89ea4532a1fdfc04805e6158e2c55711
SHA1 hash:
c4f66c8315a0c5d814c8b3122d0c51f4aa49e763
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe a4c87276e39076496a15adf73df2b1363c877b8c19004ad43cde5f40042c0b90

(this sample)

  
Delivery method
Distributed via web download

Comments