MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4755a3c8e25f8856840fe3c74f2cce2dc2bac02b118370c5288237c44f3bc2f1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 4755a3c8e25f8856840fe3c74f2cce2dc2bac02b118370c5288237c44f3bc2f1
SHA3-384 hash: 1f2828b6a2ad416f7cfa6373d675ccf1b3f2b00a1f59edc69ef79f012d9875ea8a09e717bc0dd2f2a27cd75cacc3799a
SHA1 hash: 1e7a647fd20d29270ec2f9a260b9beab6e586174
MD5 hash: 3fa1e111424c443342d91d7be3cbd873
humanhash: bravo-dakota-purple-california
File name:UPDATED SOA.exe
Download: download sample
Signature AgentTesla
File size:1'100'288 bytes
First seen:2022-12-21 07:10:40 UTC
Last seen:2022-12-21 14:23:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:O5m1/P7Fo9QfneVVJcnH/aZRVu/M8Lvy1ygv3lK:OERPYKneVVJCyZ7H03gv1K
TLSH T1E035E1D552F79D12F2F803F580E20210D3B5C60592A1FE2B2EE837E5059BBA6DE85787
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
UPDATED SOA.exe
Verdict:
Malicious activity
Analysis date:
2022-12-21 07:10:55 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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 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)
Snort IDS alert for network traffic
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-12-21 01:52:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f5b60f31aba5e77fdc68101116c728fc55cb3b8d0a5ee9ef44a6b8176bff29d9
MD5 hash:
788b266c1696ab9e55ab1b9d5241195d
SHA1 hash:
cd8680bf45ab96c0802c0fa313d57ad51c9c53f1
Detections:
AgentTesla
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
534bdd2da9645f214fd97ceee34eb02ae37cbcd5ec9af37b0ff196f66fc2d217
MD5 hash:
3e9c59cc9d83109d1edb16cecac14579
SHA1 hash:
713e017553e111b7c7ff067b7461544edeee04b9
SH256 hash:
4755a3c8e25f8856840fe3c74f2cce2dc2bac02b118370c5288237c44f3bc2f1
MD5 hash:
3fa1e111424c443342d91d7be3cbd873
SHA1 hash:
1e7a647fd20d29270ec2f9a260b9beab6e586174
Malware family:
AgentTesla.v3
Verdict:
Malicious
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: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 4755a3c8e25f8856840fe3c74f2cce2dc2bac02b118370c5288237c44f3bc2f1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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