MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59
SHA3-384 hash: dab405ad6add9638a3ab1e362f7a956c82c00325f35bb2d09a16137eff4cb9aa78d9920a37a3dcd6375cdc0103842fa7
SHA1 hash: 5cf3e46c12cc994ea5152cc9c50ba319b2e389f8
MD5 hash: 4e40af272438bd3c88a396b3dd4fdc22
humanhash: neptune-spring-jupiter-berlin
File name:order2020.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:4'416'728 bytes
First seen:2020-11-16 16:31:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:9qLB/38vpJ0qwHEyIyQeugZqXlk7mWb2lQOv3Sao+2aV:qYwk1yQeFSVb
Threatray 10'893 similar samples on MalwareBazaar
TLSH 0616AE543C63305F798A00B056EB1AE892E631981570273A9CE3657CFA1DD9F7CAF872
Reporter James_inthe_box
Tags:AgentTesla exe

Code Signing Certificate

Organisation:Cdaadbffbaedaabbdedfdbfebf
Issuer:Cdaadbffbaedaabbdedfdbfebf
Algorithm:sha256WithRSAEncryption
Valid from:Nov 16 01:40:24 2020 GMT
Valid to:Nov 16 01:40:24 2021 GMT
Serial number: B5F34B7C326C73C392B515EB4C2EC80E
Thumbprint Algorithm:SHA256
Thumbprint: BB98B081393F3B124734650088DA97260C98106B96FD265D51D33CA797C36A9F
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
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
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/538177
Signature
Adds a directory exclusion to Windows Defender
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
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Suspicious Double Extension
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 318188 Sample: order2020.PDF.exe Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 40 web2.changeip.com 2->40 42 pastebin.com 2->42 48 Multi AV Scanner detection for dropped file 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected AgentTesla 2->52 54 8 other signatures 2->54 8 order2020.PDF.exe 24 6 2->8         started        13 order2020.PDF.exe 2->13         started        15 order2020.PDF.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 44 pastebin.com 104.23.98.190, 443, 49709 CLOUDFLARENETUS United States 8->44 46 192.168.2.1 unknown unknown 8->46 36 C:\Users\user\AppData\...\order2020.PDF.exe, PE32 8->36 dropped 38 C:\...\order2020.PDF.exe:Zone.Identifier, ASCII 8->38 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Creates an undocumented autostart registry key 8->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->66 68 5 other signatures 8->68 19 order2020.PDF.exe 8->19         started        22 powershell.exe 10 8->22         started        24 powershell.exe 8 8->24         started        26 3 other processes 8->26 file6 signatures7 process8 signatures9 56 Tries to steal Mail credentials (via file access) 19->56 58 Tries to harvest and steal ftp login credentials 19->58 60 Tries to harvest and steal browser information (history, passwords, etc) 19->60 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        34 conhost.exe 26->34         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-16 03:10:50 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhpnfaqv2lf2ho5wspt65ggkc6movm6a54lok4ymzh6h7dizt5mq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
269770044a2b90764179e7d03229a3977e6034257d036c9f3d977803107f8b24
AgentTesla
2c6aa8d5fd233661b6d8c0130af1a0c63539aae4c05fb03d74859ebeec3b7cc6
AgentTesla
350f76a14a11bfe8d35f65d21204d6f3b58f5b8b3e80946fe664c2ec28ed5964
AgentTesla
4163f850032d58f8df3a47be1173ff7ff5d89c989512bd08979e724261994345
AgentTesla
56f2c7b9d0efa06b177d87a0617b2a4ccb000d72599d046e3cc014628a4ca497
AgentTesla
6c7624c020bb11d5803286dc0fc1d9ee44d21be97207573051bcd322091a731b
AgentTesla
d169af713aac6178816694e1006b2e9f6411687fb13ed0402792222d380624f1
AgentTesla
defbf133c9e7d72102fde035e692158815cf0312c4f96535777e7bbeecd3a796
AgentTesla
ef7a8f1478e57d2dedf96a00501903b7b5a571680286502f2f329ed2c8728b2b
AgentTesla
f150b76e622e7da135e3d47a20c424aa20a6efeb839b15d301c17233bdcbc9f4
AgentTesla
+ 10'883 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201116-rrj5kafptj/
Behaviour
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
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59
MD5 hash:
4e40af272438bd3c88a396b3dd4fdc22
SHA1 hash:
5cf3e46c12cc994ea5152cc9c50ba319b2e389f8
Link:
https://www.unpac.me/results/24b36c26-d8c5-4b15-80a4-c881ac2b574a/
SH256 hash:
110976e212424efd6ee80b14459586f345a2019a4897daf99a3b254b3eb9e560
MD5 hash:
e1f91ee18ee5ff50e0e8effd8447573d
SHA1 hash:
33346bf86caf10b4391c6141d987d86674c8d929
Link:
https://www.unpac.me/results/24b36c26-d8c5-4b15-80a4-c881ac2b574a/
SH256 hash:
f1ade737b0d5ea3948e464c0f3b2f9ca099ab9bfedd54ef8d2128fd5fead29f8
MD5 hash:
5415cb16dd2be1ca1c49c40f2fee9162
SHA1 hash:
e6de07898e03ef910229c065bf9c86788e957fd6
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/24b36c26-d8c5-4b15-80a4-c881ac2b574a/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

  
Delivery method
Other

Comments