MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 481e26f9e3e3c68c95db2e01ce4f552805c4a11014781ddeea08f43c3a3c530b. 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 6 File information Comments 1

SHA256 hash: 481e26f9e3e3c68c95db2e01ce4f552805c4a11014781ddeea08f43c3a3c530b
SHA3-384 hash: 2ea0dbbb7916d79888a6b2007b50ce4558b43805eb69775e7190d243d58cd2834d5cbfae2a93ae533146f8f485b2c0f5
SHA1 hash: 2960f14364a07cf09fbd807f2c8316eaf6490604
MD5 hash: b0da45afd732ee9540a1d45493175061
humanhash: seventeen-nitrogen-three-lactose
File name:RFQ REF R3100131410.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'363'968 bytes
First seen:2021-05-14 05:45:55 UTC
Last seen:2021-05-14 06:46:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:4+s5zw90S98R2i6r7jGdCjJbKZxs3/7W8A5VwcM8IMjKHt+HJTm8hvHOiuI:4+s5zw90S9PKZKq8uVwHm2S9ho
Threatray 4'941 similar samples on MalwareBazaar
TLSH B355AEB872E456E4E36B0E36A3DF4C0243345231A92BE60E7B5C53B85F13F535A3985A
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ REF R3100131410.pdf.exe
Verdict:
No threats detected
Analysis date:
2021-05-14 05:47:25 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
Sending a UDP request
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
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
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-13 11:18:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
15 of 29 (51.72%)
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
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 481e26f9e3e3c68c95db2e01ce4f552805c4a11014781ddeea08f43c3a3c530b

(this sample)

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-14 06:08:42 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection