MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40
SHA3-384 hash: 37502af4a8c3d98c3ab113bbc3fa51949ac7e6bfea97b29281cb7d6d5fff49d870f98170ea5b34edb9ba282206a9a6ec
SHA1 hash: cef0993f3a26e160edfd04ab30035904d4a4b738
MD5 hash: 383e9e8b71478d0e35d389500561cb5e
humanhash: arkansas-fanta-fourteen-hamper
File name:DOCUMENTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:5'144'064 bytes
First seen:2023-02-06 14:40:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:2u4nAO8262Tus0cWEwDr+II25P++O4bV4jMm1YGxKp5mjB4HYDABx2S8kAx8:
Threatray 21'499 similar samples on MalwareBazaar
TLSH T19C3621F1A0EB8192F147DD801968FDA505B731A3EDCA0C78131EAA54DFBFD953A44A0E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOCUMENTS.exe
Verdict:
Malicious activity
Analysis date:
2023-02-06 14:41:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/225ef0b1-19e6-478a-ace7-c6683afd60d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
TrickBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/360921/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
remcos
Link:
https://www.filescan.io/uploads/63e1117f2d4f6d560e24621e/reports/ef351849-c5e7-4cd0-ad0e-cba2764349ca/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58386cd9-793b-4465-871e-4f4dcf8bf820
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166717
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799490 Sample: DOCUMENTS.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 5 other signatures 2->65 7 Clbmxcarzb.exe 2 2->7         started        10 DOCUMENTS.exe 1 5 2->10         started        13 Clbmxcarzb.exe 1 2->13         started        process3 file4 67 Antivirus detection for dropped file 7->67 69 Multi AV Scanner detection for dropped file 7->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->71 73 Machine Learning detection for dropped file 7->73 15 Clbmxcarzb.exe 7->15         started        19 powershell.exe 12 7->19         started        21 Clbmxcarzb.exe 7->21         started        37 C:\Users\user\AppData\...\Clbmxcarzb.exe, PE32 10->37 dropped 39 C:\Users\...\Clbmxcarzb.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\...\DOCUMENTS.exe.log, ASCII 10->41 dropped 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->75 77 Encrypted powershell cmdline option found 10->77 79 Injects a PE file into a foreign processes 10->79 23 DOCUMENTS.exe 15 2 10->23         started        25 powershell.exe 16 10->25         started        27 Clbmxcarzb.exe 13->27         started        29 powershell.exe 13->29         started        signatures5 process6 dnsIp7 43 145.14.144.149, 21, 49701, 49702 AWEXUS Netherlands 15->43 45 files.000webhost.com 15->45 31 conhost.exe 19->31         started        47 us-east-1.route-1000.000webhost.awex.io 145.14.144.209, 21, 43016, 49698 AWEXUS Netherlands 23->47 49 files.000webhost.com 23->49 33 conhost.exe 25->33         started        51 files.000webhost.com 27->51 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->53 55 Tries to steal Mail credentials (via file / registry access) 27->55 57 Tries to harvest and steal browser information (history, passwords, etc) 27->57 35 conhost.exe 29->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-02-04 10:35:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4p5g4izne7fj3gaurrgtrdgionw7vvbuhmqx4xrpafcepgrvtjaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
277bff75b0aefb740dbc899b330c83c6421dd97dee68566db78a16eec6479098
AgentTesla
2a890802046e55c856e2a6be5a2268fb8ba4410c15ac51415a1c30b0cd2336b2
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2fe76bde23990d83716838370ac11b3de598fcf76418f0d3fa64cbf5e754f8fb
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30d07ab66aa0456a13b4b9d0b8a2f01dde9912078d1f2bbdf324e79a81314d81
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3f372d6ae61bbf111e29c2f77157547fdd6bd2217b3c8b542ecc98828a656524
AgentTesla
99d4e8b2359fcba74e3839ddbf8df52adf961a6d55943a8835908d15a47f8b33
AgentTesla
c169c02efaf302bcd53439df8a514db8da9af95686642e74071c3b0a510e46fa
AgentTesla
fb8d84c34c527bc6e5aa748c02c6c4b09d49b669cfcac0eee3c92c2401eca541
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ff2e4312ff6513d00f4e3959d47e63bff0be7bf3b3faf53d8491ff9129b1f334
AgentTesla
+ 21'489 additional samples on MalwareBazaar
Result
Malware family:
purecrypter
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:purecrypter collection downloader keylogger loader persistence spyware stealer trojan
Link:
https://tria.ge/reports/230206-r2eshsed57/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect PureCrypter injector
PureCrypter
Unpacked files
SH256 hash:
713ce91ac8eb40ade94740cea4ebe418fdc2ae87b99a09da31c523db668165b3
MD5 hash:
abb762b7cdda233dd81af34b2aefa243
SHA1 hash:
f169ba3a64b71740ec1bb66b22c9ef7c7aa521b7
Link:
https://www.unpac.me/results/2b21c490-609f-4fca-b78c-59ea3f0f451e/
SH256 hash:
b7f98d9cf2bef5fedf7d017feeeeeebcafc6342665cb0f62f812176c0f393f26
MD5 hash:
5744b6f267869ae30b061f6097f82341
SHA1 hash:
e97f86465290b1e5db9a8e42eaacac5ca3cd50b2
Link:
https://www.unpac.me/results/2b21c490-609f-4fca-b78c-59ea3f0f451e/
SH256 hash:
1327724f4c4b9f09b3fa8edd6118dec5a830f3933117f41312dc790fc6898e1f
MD5 hash:
2247cab30e3048dbdd94db80aeb5326b
SHA1 hash:
0a375f43da360d9b4f48a52d3375cf47dc0a1450
Link:
https://www.unpac.me/results/2b21c490-609f-4fca-b78c-59ea3f0f451e/
SH256 hash:
e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40
MD5 hash:
383e9e8b71478d0e35d389500561cb5e
SHA1 hash:
cef0993f3a26e160edfd04ab30035904d4a4b738
Link:
https://www.unpac.me/results/2b21c490-609f-4fca-b78c-59ea3f0f451e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3fa6e232d27/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/e3fa6e232d27ca9d98148c4d388cc8736dfad4343b217e5e2f0144479a359a40

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/360921/

Comments