MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99d1e6642a3f135215927e2166213409c4390a70332a77ea5fb342beaf629d65. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99d1e6642a3f135215927e2166213409c4390a70332a77ea5fb342beaf629d65
SHA3-384 hash: 44db319e035b151d014c6672aaab271c70dd568d97c4a6f5f8619a19de5445df63dd3d04a1623baa6765c54b8719c202
SHA1 hash: be9e8ddd4e3c51d0afb09e62835344ea7cf02218
MD5 hash: 8658a6de57ef79a3ceb42159d7cc86d0
humanhash: north-ohio-alaska-charlie
File name:r.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'028'024 bytes
First seen:2020-10-06 16:33:19 UTC
Last seen:2020-10-06 17:42:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:dnRwjCdX/mtCqHqDKGq7737Jb67CgYgXA5g/BoBGhnBCOQO6uVO7vypICIm1WrP5:tRzpym1CPXpze1M+0TPsAU+d
Threatray 37 similar samples on MalwareBazaar
TLSH CC2595F96A3B0424654FA12E8D4056220371E3F7ED32A7B034EA7516E74EC8ED945EF2
Reporter James_inthe_box
Tags:AgentTesla exe

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:Oct 6 05:42:10 2020 GMT
Valid to:Oct 6 05:42:10 2021 GMT
Serial number: 9356E0361BCF983AB14276C332F814E7
Thumbprint Algorithm:SHA256
Thumbprint: F95A4594679729DD3C367137E6D3AFA983CF5DA8D47956BE0D919B5F8B62A015
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/68622/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching a service
Sending a UDP request
Deleting a recently created file
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/483044
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 293961 Sample: r.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 61 pastebin.com 2->61 65 Antivirus detection for dropped file 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 8 other signatures 2->71 9 r.exe 24 8 2->9         started        14 r.exe 2->14         started        16 r.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 63 pastebin.com 104.23.98.190, 443, 49743 CLOUDFLARENETUS United States 9->63 53 C:\Users\user\AppData\Roaming\...\r.exe, PE32 9->53 dropped 55 C:\Users\user\...\r.exe:Zone.Identifier, ASCII 9->55 dropped 57 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 9->57 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->75 77 Creates an undocumented autostart registry key 9->77 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->79 81 6 other signatures 9->81 20 r.exe 9->20         started        23 WerFault.exe 9->23         started        26 timeout.exe 1 9->26         started        32 5 other processes 9->32 28 timeout.exe 14->28         started        30 timeout.exe 16->30         started        file6 signatures7 process8 dnsIp9 73 Installs a global keyboard hook 20->73 51 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->51 dropped 35 conhost.exe 26->35         started        37 conhost.exe 28->37         started        39 conhost.exe 30->39         started        59 192.168.2.1 unknown unknown 32->59 41 conhost.exe 32->41         started        43 conhost.exe 32->43         started        45 conhost.exe 32->45         started        47 AdvancedRun.exe 32->47         started        file10 signatures11 process12 process13 49 conhost.exe 35->49         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99d1e6642a3f135215927e2166213409c4390a70332a77ea5fb342beaf629d65/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-06 08:35:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thi6mzbkh4jvefmspyqwmijubhcdsctqgmvhp2s7wnbl5l3ctvsq._file
Verdict:
malicious
Similar samples:
07971958696b43eead2da2114b7a3965b492cdae39843078f16d56ad331427fe
AgentTesla
0db50b639d859d3ddf9aa74f96d12f7ecb189a0b3006a7ed1cfd73edbc34d220
AgentTesla
2ddbf5aed765723b948699526bc2a9a49864dc1181e21f4c51fe613aa8d0ca7e
AgentTesla
3afef4ab289c49f347ed065f4d272cec7ea413b5c84fb4c2e6aa9adad2716db6
AgentTesla
638c7d6859e792cc15836509bd58bf468b755fee3dcf669d2dcf328dd0029f12
AgentTesla
8bc8f11f65265cd267e36dd30710793863582fd6e4c554d50fa5a083d015ced6
AgentTesla
a0f4dd8f54f51cb4d1243ecf21b2e5d578464ec54ba9b8e98b1afdb17465b4bc
AgentTesla
c725eea92437455b05cf0c4007e63abff342befc67e4b8ad0e60eaa96074955e
AgentTesla
cc8103242c41293f02ff2baf8ba6ef57470712ee2b2a99f2be83127409dd50b9
AgentTesla
ea34ce44176906af3dd7ec1e4d9db0df144f5769ce3298d88864698c54164c9b
AgentTesla
+ 27 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware evasion trojan
Link:
https://tria.ge/reports/201006-ldpvydqpxj/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
99d1e6642a3f135215927e2166213409c4390a70332a77ea5fb342beaf629d65
MD5 hash:
8658a6de57ef79a3ceb42159d7cc86d0
SHA1 hash:
be9e8ddd4e3c51d0afb09e62835344ea7cf02218
Link:
https://www.unpac.me/results/09e17a37-2399-4754-8bf1-4bac4d595ea3/
SH256 hash:
4bf33fdcc182c083f9f797cd031704e5d6e3e8ab1aa46f02f8ad8e7ef694db64
MD5 hash:
576dcc76aa8e91611269fdf616a4a016
SHA1 hash:
a90c46737a55a28e2b249aae90faf25b0ae29a9b
Link:
https://www.unpac.me/results/09e17a37-2399-4754-8bf1-4bac4d595ea3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/99d1e6642a3f135215927e2166213409c4390a70332a77ea5fb342beaf629d65

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: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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/660434/
Cape
Cape
https://www.capesandbox.com/analysis/68622/

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