MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3
SHA3-384 hash: 71470ef84fe328b0d45bd7aa42b550671430aaf39295415dff564146fa8f08316ee2e4ea96c067d91c211f5a2a74a6fd
SHA1 hash: 7b28de90a4819422dc3ac49644fa6f258919cac0
MD5 hash: 1578ce91eb9c0fed0820543179d95ffd
humanhash: sixteen-indigo-may-helium
File name:d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3
Download: download sample
Signature AgentTesla
Create hunting rule
File size:859'136 bytes
First seen:2020-10-22 09:33:18 UTC
Last seen:2020-10-22 10:58:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:7AbtTE259fUqGGGlLHNWulT+xzBT2To9FFwbAGF9A1GKZHNYPzoddg:MRD59sPGAD4g8Fw/nA1GUKzod
Threatray 10'841 similar samples on MalwareBazaar
TLSH 9205BF90AA81C652E3DF5A74626DCE6883294CAE8B53C520CEF77CFF617CB695D42403
Reporter madjack_red
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74613/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.30028.30579.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/506968
Signature
.NET source code contains potential unpacker
Contains functionality to register a low level keyboard hook
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
Moves itself to temp directory
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)
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 access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 302608 Sample: N6pGgIMzfE Startdate: 22/10/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 4 other signatures 2->45 6 WNRUXJ.exe 3 2->6         started        9 N6pGgIMzfE.exe 3 2->9         started        12 WNRUXJ.exe 1 2->12         started        process3 file4 47 Multi AV Scanner detection for dropped file 6->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Machine Learning detection for dropped file 6->51 53 Contains functionality to register a low level keyboard hook 6->53 14 WNRUXJ.exe 6 6->14         started        18 WNRUXJ.exe 6->18         started        31 C:\Users\user\AppData\...316pGgIMzfE.exe.log, ASCII 9->31 dropped 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->55 57 Injects a PE file into a foreign processes 9->57 20 N6pGgIMzfE.exe 2 9 9->20         started        23 WNRUXJ.exe 12->23         started        25 WNRUXJ.exe 12->25         started        signatures5 process6 dnsIp7 33 smtp.yandex.com 14->33 59 Tries to harvest and steal ftp login credentials 14->59 61 Tries to harvest and steal browser information (history, passwords, etc) 14->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->63 35 smtp.yandex.ru 77.88.21.158, 49742, 49743, 49745 YANDEXRU Russian Federation 20->35 37 smtp.yandex.com 20->37 27 C:\Users\user\AppData\Roaming\...\WNRUXJ.exe, PE32 20->27 dropped 29 C:\Users\user\...\WNRUXJ.exe:Zone.Identifier, ASCII 20->29 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->65 67 Moves itself to temp directory 20->67 69 Tries to steal Mail credentials (via file access) 20->69 71 Installs a global keyboard hook 20->71 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-22 03:40:14 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3fpkbcev76skr4uhswpxper2yqyldudysystqjpywhj5tdu77xzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0f9c3e7962330f174a7529d7edd7981c9ffb4f0f1d6eee585a7f3467b5c06a49
AgentTesla
1546f9a4e9f744fd5252592238121b3fca461a09718c9b5ac14b145c7cffa467
AgentTesla
41355f2507c477d56150ad6facafd27120e0bceb06c905af89748246d3212a9f
AgentTesla
50b7c1ac2d7e7bf983d90869302cf856503a1fa93fc9038f02e954872180e4ab
AgentTesla
55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4
AgentTesla
691eb9a4675c76f72ca03595137e3215b3ddf27c040d7bc871301ef847b0f609
AgentTesla
6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f
AgentTesla
b2532be6f4f18504d0cdb50f75d84d41880203d3ad0d51a499ea8d48b2d97a64
AgentTesla
b3b1f3479b7d0033e21ef89ccea063a0281604d4472252cf590ec99be5aa2eb4
AgentTesla
d34d2c3fe83f82a8a0faa213fe60202f765aadf5895fbe12996d40db44afadc5
AgentTesla
+ 10'831 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/201022-vkpgcl8q1s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/1c02a7d7-3188-49f8-ac8f-8434b6de9411/
SH256 hash:
848b4b4e8b7ef70a228dc27308c9792336a1c327f2fee6e3e05fec31ea24d385
MD5 hash:
bd1b34c1c48d6e3c65d1033efce38428
SHA1 hash:
25f4841b8cf5e27f7191b5bd2fb32381987080cf
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/1c02a7d7-3188-49f8-ac8f-8434b6de9411/
Parent samples :
d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3
2efa47da756c50daf818bd8922e76c5baef462d780524e5243a753b675c97b0c
SH256 hash:
ab6f4cf518ef53dc10a859f726aaaa1c28dd98057ae4c0940d7c570711f43a2f
MD5 hash:
1b975b88cca560a09e1ffeb67a86cf39
SHA1 hash:
9c85144f816a470c202ed45e99131ca6d9ef7060
Link:
https://www.unpac.me/results/1c02a7d7-3188-49f8-ac8f-8434b6de9411/
SH256 hash:
d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3
MD5 hash:
1578ce91eb9c0fed0820543179d95ffd
SHA1 hash:
7b28de90a4819422dc3ac49644fa6f258919cac0
Link:
https://www.unpac.me/results/1c02a7d7-3188-49f8-ac8f-8434b6de9411/
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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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.

Malspam

AgentTesla

Executable exe d95ea08895ffa4a8f287959f77923ac430b1d07896253825f8b1d3d98e9ffdf3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/74613/

Comments