MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b45450a263a277473db3f03e8257fb36594be9bd085a8a045f9f4fc48267eabd. 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: 15


Intelligence 15 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b45450a263a277473db3f03e8257fb36594be9bd085a8a045f9f4fc48267eabd
SHA3-384 hash: 7c6dd96985b8cf84c3e518f0f5dea9e2a3e1a6c2f2a68d13baebb40d7ee18346e94be050ec3ea9981718402795c90e88
SHA1 hash: 97dbea7d520c787c1957dd21784b762b415ec0b3
MD5 hash: f67b55b8decdbdb3f2b3d94e9b78a966
humanhash: twenty-hamper-nevada-wolfram
File name:documents2435466.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:168'448 bytes
First seen:2023-01-26 08:06:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:ZHGARyb4vOm+uDmy+OigS3TbJUjdfaeex2PyLYrHFQbdvywX+3J:Zm67gPOiBbUdfaeXGvywX+3
Threatray 20'828 similar samples on MalwareBazaar
TLSH T104F38C9CB25072EFC857D4729EA92C68FA6074BB931F5203906755EEEA0C887DF540F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
documents2435466.exe
Verdict:
Malicious activity
Analysis date:
2023-01-26 08:12:03 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/976c88ec-1252-427b-9ff9-3a393a427f57

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/357026/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d234ac96add6d1cf48aad2/reports/fb88120e-6f9b-4a90-b7d4-ce2f330c1d4d/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/44285727-6e12-4644-9e44-d0e66c49d5c1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159377
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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
PE file contains section with special chars
PE file has nameless sections
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 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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b45450a263a277473db3f03e8257fb36594be9bd085a8a045f9f4fc48267eabd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 08:07:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrkfbitduj3uopnt6a7iev73gzmux2n5bbniubc7t5h4jath5k6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
57eb07bbd93ef06938180786e64bf2f42bcb3be8525c6217a8713096a078ada5
AgentTesla
88b00afd2b4f33893e8ca2dfb3a40cfa15d990d731cb1b15617a8f606b5672d0
AgentTesla
8dced36ced71b2830bc59d47a69dfe4684deb1356a33cdda1c97b7b713b03170
AgentTesla
a344c2048ba173e6f62a5021c61a77402d7a6922a21c28166d1cc1a0ec8b1d99
AgentTesla
ab2bcb61ea3c3b5fe9dd5ee58339b6675e40f7adcafa134dbeaae86e4a616906
AgentTesla
deb9e61405ab9e42325c114986687ce3de13d10f68371ae65620460c19b1291b
AgentTesla
fec981d9e6f439dd72ab681e144d5da1302b20bcf45ca98ee15bf029eab135bd
AgentTesla
+ 20'818 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230126-jzzqxaee2y/
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
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5083863399:AAH9g72QTdN88jNOd6_tBrE8gEd-FpXnfHE/sendDocument
Unpacked files
SH256 hash:
634d417309429ce5c6a447e15571db7435f58a750ca1d29d29b2abbbf03c4e54
MD5 hash:
7576ceaac2bb65f39a3cb71f429976da
SHA1 hash:
fa80ffd5aaf7992a58b403051d04bdab2800de70
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/45e0fa75-d55e-4571-903e-6e4b6bae1d67/
Parent samples :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 hash:
b45450a263a277473db3f03e8257fb36594be9bd085a8a045f9f4fc48267eabd
MD5 hash:
f67b55b8decdbdb3f2b3d94e9b78a966
SHA1 hash:
97dbea7d520c787c1957dd21784b762b415ec0b3
Link:
https://www.unpac.me/results/45e0fa75-d55e-4571-903e-6e4b6bae1d67/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b45450a263a2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b45450a263a277473db3f03e8257fb36594be9bd085a8a045f9f4fc48267eabd

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_f2a90d14
Create hunting rule
Author:Elastic Security
Rule name:win_agent_tesla_ab4444e9
Create hunting rule
Author:Johannes Bader
Description:detects Agent Tesla
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/357026/

Comments