MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0
SHA3-384 hash: c925e58e31b842cb85b9468a66ef83697604249a1ab2c890777968021278762ba77ee21628f6622696f785f31d13e7e2
SHA1 hash: 01026e1c12b105a68438a0f4cb6eea1bd9daf6ac
MD5 hash: 8af52477b7278aff1330e4a12f05e310
humanhash: alabama-friend-pip-carpet
File name:z10Aust-Crupt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:8'192 bytes
First seen:2023-02-22 13:53:43 UTC
Last seen:2023-02-22 15:44:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 96:5dBqMGapOmUhwB3GSvNZg+5gTZAvGuTRZyOpjXwFcLGk9b28cAK8KgJuzNt:HBSkO3wy+PXTTfpMFcLr9b28cAUgJo
Threatray 890 similar samples on MalwareBazaar
TLSH T1EAF1C714A39C8272DDB20B36EEB753950F78F72009938BAF7880754FAC163516B92B70
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)
File icon (PE):PE icon
dhash icon 3ce29cf2e4f4e0e0 (4 x AgentTesla, 1 x Smoke Loader)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
z10Aust-Crupt.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 13:54:14 UTC
Tags:
trojan rat agenttesla stealer opendir
Link:
https://app.any.run/tasks/e8ad12c6-4151-45da-bd8a-a13f17647d79

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BumbleBeeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/369069/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.556.26783.14364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/63f61e7bd385ee58584fb709/reports/77886e19-6691-486c-8922-0233b57b157b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6cce1c59-0e66-49b7-bd40-50a7d66e9c40
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180624
Signature
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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 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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813452 Sample: z10Aust-Crupt.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Antivirus detection for URL or domain 2->63 65 5 other signatures 2->65 7 z10Aust-Crupt.exe 15 4 2->7         started        12 nEdIOIr.exe 14 4 2->12         started        14 nEdIOIr.exe 3 2->14         started        process3 dnsIp4 57 argentum.com.br 169.47.124.235, 49692, 49704, 49705 SOFTLAYERUS United States 7->57 41 C:\Users\user\...\z10Aust-Crupt.exe.log, ASCII 7->41 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->77 79 May check the online IP address of the machine 7->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->81 16 z10Aust-Crupt.exe 2 10 7->16         started        21 powershell.exe 16 7->21         started        83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 87 Encrypted powershell cmdline option found 12->87 23 nEdIOIr.exe 12->23         started        25 powershell.exe 12->25         started        89 Injects a PE file into a foreign processes 14->89 27 nEdIOIr.exe 14->27         started        29 powershell.exe 14->29         started        file5 signatures6 process7 dnsIp8 43 dropbuyinc.ga 185.246.221.63, 49702, 49703, 49708 LVLT-10753US Germany 16->43 45 api4.ipify.org 64.185.227.155, 443, 49701 WEBNXUS United States 16->45 47 api.ipify.org 16->47 37 C:\Users\user\AppData\Roaming\...\nEdIOIr.exe, PE32 16->37 dropped 39 C:\Users\user\...\nEdIOIr.exe:Zone.Identifier, ASCII 16->39 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->67 69 Tries to steal Mail credentials (via file / registry access) 16->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->71 31 conhost.exe 21->31         started        49 104.237.62.211, 443, 49706, 49707 WEBNXUS United States 23->49 51 192.168.2.1 unknown unknown 23->51 53 api.ipify.org 23->53 33 conhost.exe 25->33         started        55 api.ipify.org 27->55 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Installs a global keyboard hook 27->75 35 conhost.exe 29->35         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 08:11:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v72ffdlyjapkw5hhilotg2zvgek4uupzdaffhgiw2s7kctf75tqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
15c1c848addff1a5b41fad69f1a8a2177d14e592bf2584639aea2e5cbbbbe388
AgentTesla
42254d3829283c99a687de7f73c7c6483e194f3a4330d12e0d6da63f44cf9ab5
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7ace08b1b886a524fc91f97cf3ac9e8367e5d53372193adf26c5179f0c3a39d1
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96c1f2e81dd6ac90324fe3eebbbd592670b5769adf64c8a73fb345d1749d4b02
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9fc6f01a0e05e3ffa8d1391586e36f2a587f38ad3a186dc68ac8a6101fd94b6d
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a9ad1c8db51f9e20280bab4947b9d9b47572e7c634cca0e2b121f3e7966a976d
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bc080be46ac6e8aaff225091e2afdb6074fed20e30d30e1ad018f58a1e1901b7
AgentTesla
d975348bc9e2938f9bbb8f8c96f20cbc74c0241ef9e0847a853233fd962f73fa
AgentTesla
+ 880 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230222-q7jszsdf9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0
MD5 hash:
8af52477b7278aff1330e4a12f05e310
SHA1 hash:
01026e1c12b105a68438a0f4cb6eea1bd9daf6ac
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/c56bfdef-5999-4994-b032-759737eb04a3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aff4528d7848/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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.

Malspam

AgentTesla

Executable exe aff4528d78481eab74e742dd336b353115ca51f9180a539916d4bea14cbfece0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/369069/

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