MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637c0976355242b7558217bdbd1633f865293d3c1868f4d0abeb153464044d91. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 637c0976355242b7558217bdbd1633f865293d3c1868f4d0abeb153464044d91
SHA3-384 hash: 313bc40a52de542b1d4553d8000576b64ae7327e61704b069f531593a9b3104e9c3d5c7a76f330c9a56018c623149908
SHA1 hash: 185d719c478ac98b12ded0af8ea0083af1abbe49
MD5 hash: 8888b1fa745e6dea7b82ff00628f836b
humanhash: west-butter-bluebird-texas
File name:POO-10004355, RFQ samples_6000017639.exe
Download: download sample
Signature AgentTesla
File size:538'112 bytes
First seen:2021-03-04 15:38:53 UTC
Last seen:2021-03-04 17:46:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:68teodM4fNDVbUs2yx7wNM6hUw7UqblKu8+TdPsRhWKrrl:BMhU5qbvPTdPml
Threatray 2'997 similar samples on MalwareBazaar
TLSH BFB44AFD645F20EED4F3BAB23FD4A56CD6557651A30BA42F209012874627D22FF83928
Reporter Anonymous
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
POO-10004355, RFQ samples_6000017639.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-04 15:38:38 UTC
Tags:
n/a

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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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 very large array initializations
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-04 05:28:33 UTC
AV detection:
18 of 28 (64.29%)
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a92471b5f2b543b1dbcb32415a1394813db2dcf39b06448e5455fd6c1c08b4ce
MD5 hash:
b45fd0049fece0f47a14f25741822e6e
SHA1 hash:
9cc0912f8329a69908d02fefe6345b21ff16dd88
SH256 hash:
765ef7df6ca11b02c5c1cb360ca6a6840d657d62b1448c36b1c9083ecc016e21
MD5 hash:
b374bbff4259368e1eb6b31f20ff00ef
SHA1 hash:
455aa5edea0e8865e136addf261f99469bdcb751
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
SH256 hash:
637c0976355242b7558217bdbd1633f865293d3c1868f4d0abeb153464044d91
MD5 hash:
8888b1fa745e6dea7b82ff00628f836b
SHA1 hash:
185d719c478ac98b12ded0af8ea0083af1abbe49
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: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.

Comments