MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 230ac2859ddd4c3652956a929073f0a06ce0765d2d8f0602b9af999c5b99aed0. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 230ac2859ddd4c3652956a929073f0a06ce0765d2d8f0602b9af999c5b99aed0
SHA3-384 hash: c5417f4f82af136897329777da9635730ea40a65f9c4eb2027697393b201cb103e7d4f3146678c19ca33e8a8996660af
SHA1 hash: 49529a5a321d2cff2693aee0d181af838e9ccaac
MD5 hash: 4345c8825120742296b94fd395c783c9
humanhash: glucose-mirror-alabama-pip
File name:Wrong Transfer Payment - Chk Clip Copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:584'704 bytes
First seen:2020-11-19 06:53:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pt8LFI/ShXI7Jzyv62fr4d9p3pKBliubThf/JoC0CW:38ygXyJzyv6ckd9JpKni4ThXq
Threatray 9'686 similar samples on MalwareBazaar
TLSH 07C402315692EF93E77F6EB0E0A126482FF92957AA10C94DBDDC04C92172F489E15E33
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/542308
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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: 320248 Sample: Wrong Transfer Payment - Ch... Startdate: 19/11/2020 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 6 other signatures 2->49 6 Wrong Transfer Payment - Chk Clip Copy.exe 3 2->6         started        9 YYtJku.exe 3 2->9         started        12 YYtJku.exe 2 2->12         started        process3 file4 23 Wrong Transfer Pay...k Clip Copy.exe.log, ASCII 6->23 dropped 14 Wrong Transfer Payment - Chk Clip Copy.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 9->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->53 55 Machine Learning detection for dropped file 9->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->57 19 YYtJku.exe 2 9->19         started        21 YYtJku.exe 2 12->21         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.199.223, 49741, 49746, 49757 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->25 dropped 27 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Moves itself to temp directory 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 39 Tries to harvest and steal ftp login credentials 21->39 41 Tries to harvest and steal browser information (history, passwords, etc) 21->41 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/230ac2859ddd4c3652956a929073f0a06ce0765d2d8f0602b9af999c5b99aed0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 02:21:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=emfmfbm53vgdmuuvnkjja47qubwoa5s5fwhqmavzv6mzyw4zv3ia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
034e412b4cfd7511004908d87ef4efc4eb896a280289595142feacfe92206e37
AgentTesla
06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e
AgentTesla
38fcb333238cb4390662b70073f768dd5928d7995b77747add4f2acc8dff4db0
AgentTesla
65bdf218a95af52100c20e6f146a7acf16aa0ed0a34ddc7f4a68c66554b648da
AgentTesla
71f156f01f3722503ae7b346c37f64a6bc9efe810309636aa30673062b59aa6a
AgentTesla
84da474dc9a86be051d5a30bd2c4715026e0faab0daf2950fcbebb8e46f907ad
AgentTesla
a5602ba2bfa6fcd7b914266f63da512b1c212c75406731aaefa9fcbcd785a57d
AgentTesla
a66ca1e1d94dfbe3e0fe92afd519f9a00b102438f6be1786a988fca58fa19bc6
AgentTesla
b48cfe64a7d020f64e9b09d7636b59ac1f567a51d246b8dd59c53eaa6b339aa7
AgentTesla
d2ed9e1008393560f0d117258892b7c6a67031184fd0566a98707b278349617a
AgentTesla
+ 9'676 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201119-hg5e72f8ya/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
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:
230ac2859ddd4c3652956a929073f0a06ce0765d2d8f0602b9af999c5b99aed0
MD5 hash:
4345c8825120742296b94fd395c783c9
SHA1 hash:
49529a5a321d2cff2693aee0d181af838e9ccaac
Link:
https://www.unpac.me/results/d78eabe1-0a53-4e3c-8058-00a3cd124d45/
SH256 hash:
138e5da33069dd23066f00e0fc1e1507fe72f3814d21e82d0665681aeb2da2d0
MD5 hash:
47da13d06d437d0fb41a67dcb5830b3d
SHA1 hash:
034835231d55fa6e4ce653c0347e0cbdef085c88
Link:
https://www.unpac.me/results/d78eabe1-0a53-4e3c-8058-00a3cd124d45/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/d78eabe1-0a53-4e3c-8058-00a3cd124d45/
SH256 hash:
dfccc2fae454f2c47da86e8e05ed7db970734fdad13e705957980cf96cd72221
MD5 hash:
55fbb50c85b68b265a5c9dc5c971c5fe
SHA1 hash:
9874a920cc342c658649a00069449e5dcf1525c4
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/d78eabe1-0a53-4e3c-8058-00a3cd124d45/
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: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.

Malspam

AgentTesla

zip 5acf8c3683615ba3ffda70532c5bb02d3565d03813f3b410629bafa32d09e574

AgentTesla

Executable exe 230ac2859ddd4c3652956a929073f0a06ce0765d2d8f0602b9af999c5b99aed0

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5acf8c3683615ba3ffda70532c5bb02d3565d03813f3b410629bafa32d09e574

Comments