MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
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SHA256 hash: 2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09
SHA3-384 hash: a512244c6b60d7682e43b2a3b16a408f9469a37def6458c19b3e11555f550818c6d9a63082ba898fbabc5e177e791d95
SHA1 hash: 2f5dd7cc43cd3ceb73b06d8dea162f83fed416a7
MD5 hash: 959ff857ab2e33a7aaeff52b04407754
humanhash: may-bluebird-cup-neptune
File name:PO-8365882.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:49'152 bytes
First seen:2022-04-06 11:18:51 UTC
Last seen:2022-04-06 11:39:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:ZU/A+cVIPFXwJuQjyBHNMAj/AQBcPo+QsbREhw55xZT6:y/9xtXk5jyBtfvBn+QsbyhGe
Threatray 15'714 similar samples on MalwareBazaar
TLSH T183233D0923BC5622C268557DCDEF51540375EAA72A12E60FBD84FE6D3AF2BB26501F02
File icon (PE):PE icon
dhash icon 00943a198c251000 (1 x AgentTesla)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261211/
Detection(s):
SecuriteInfo.com.W32.MSIL_Dldr.B.genEldorado.9018.30323.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624d772740ce5db9f41a3b25/reports/680890a8-0800-472c-a24b-af093e8860ca/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2e3f281c-5f3c-44bc-9286-4a5e506de5a6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971417
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Creates multiple autostart registry keys
Found malware configuration
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
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Silenttrinity Stager Msbuild Activity
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)
Uses ping.exe to check the status of other devices and networks
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603904 Sample: PO-8365882.scr Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 71 api.telegram.org 2->71 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Multi AV Scanner detection for dropped file 2->87 89 11 other signatures 2->89 8 PO-8365882.exe 16 7 2->8         started        13 Sroxch.exe 14 4 2->13         started        15 fcPvLnD.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 75 marriageceremonynyc.com 185.33.53.182, 49767, 49788, 49789 SERVERGARDEN-ASServergardenKftHU Hungary 8->75 65 C:\Users\user\AppData\Roaming\...\Sroxch.exe, PE32 8->65 dropped 67 C:\Users\user\...\Sroxch.exe:Zone.Identifier, ASCII 8->67 dropped 69 C:\Users\user\AppData\...\PO-8365882.exe.log, ASCII 8->69 dropped 105 Creates multiple autostart registry keys 8->105 107 Writes to foreign memory regions 8->107 109 Injects a PE file into a foreign processes 8->109 19 MSBuild.exe 16 8 8->19         started        24 cmd.exe 1 8->24         started        26 cmd.exe 1 8->26         started        77 192.168.2.1 unknown unknown 13->77 111 Multi AV Scanner detection for dropped file 13->111 113 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->113 115 Machine Learning detection for dropped file 13->115 117 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->117 28 Sroxch.exe 13->28         started        30 cmd.exe 1 13->30         started        32 cmd.exe 13->32         started        34 conhost.exe 15->34         started        36 cmd.exe 17->36         started        38 2 other processes 17->38 file6 signatures7 process8 dnsIp9 73 api.telegram.org 149.154.167.220, 443, 49783, 49787 TELEGRAMRU United Kingdom 19->73 59 C:\Users\user\AppData\Roaming\...\fcPvLnD.exe, PE32 19->59 dropped 91 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->91 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->93 95 Tries to steal Mail credentials (via file / registry access) 19->95 103 4 other signatures 19->103 97 Uses ping.exe to check the status of other devices and networks 24->97 40 PING.EXE 1 24->40         started        47 2 other processes 24->47 49 2 other processes 26->49 61 C:\Users\user\AppData\...\tmpG587.tmp (copy), PE32 28->61 dropped 63 C:\Users\user\...\fcPvLnD.exe:Zone.Identifier, ASCII 28->63 dropped 99 Tries to harvest and steal browser information (history, passwords, etc) 28->99 101 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->101 43 PING.EXE 30->43         started        51 2 other processes 30->51 53 2 other processes 32->53 45 PING.EXE 36->45         started        55 2 other processes 36->55 57 2 other processes 38->57 file10 signatures11 process12 dnsIp13 79 google.com 172.217.168.78 GOOGLEUS United States 40->79 81 142.250.185.206 GOOGLEUS United States 43->81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 09:35:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmj77v43qy23762ewql4kpqo6aqhh7zqdlfbq6xfhkirwb2mr4eq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5d44448d9368f5ec2b3594446bca10ae98f173176a4e9a55fd239c3c6d9c6edd
AgentTesla
91db81cd38b9f713767e35c4012057b99734e8e0e889af77935c6a0b47eedcbb
AgentTesla
980b3cbd822808ce9bcf9acf21c0cb4f1ca1106c47e0533e18669ade27f9ccac
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9ea755355f321ea604d173f7f55760d4b7a7151a865047a4f854e6f8ee1d317c
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aefcc5d5448a3fc16f8a0aacd92994424efd650ae9d48bb24006bd254a828c8b
AgentTesla
ce6df966091d0a4c305d5629d789f7ed072d01b8b4559d6356ed1643454e2427
AgentTesla
+ 15'704 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/220406-netrdaccb7/
Behaviour
Delays execution with timeout.exe
Runs ping.exe
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5260684769:AAGEEBTyTnQKPuAP6jlIRVEPOmyQQQAku-A/sendDocument
Unpacked files
SH256 hash:
2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09
MD5 hash:
959ff857ab2e33a7aaeff52b04407754
SHA1 hash:
2f5dd7cc43cd3ceb73b06d8dea162f83fed416a7
Link:
https://www.unpac.me/results/4236c965-cc39-45f5-8df6-dcb0e98cbeb9/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2b13ffd79b86/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09

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.

Cape
Cape
https://www.capesandbox.com/analysis/261211/

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