MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e5adc24258e0aae79b688b0310985210ab03bffb789da8c80f5d2172e0ff323. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 2e5adc24258e0aae79b688b0310985210ab03bffb789da8c80f5d2172e0ff323
SHA3-384 hash: 3849bed757c6a70eae077689bacde0ff85ef6f10a4b9f90609dabb48e9274790935d0827131b48b97a1f23671190e604
SHA1 hash: 965e3a6594cba057b116b9f53aabd8976d815058
MD5 hash: 00e07fbc04097cb40012208c6d59961f
humanhash: march-johnny-black-failed
File name:AWB.exe
Download: download sample
Signature AgentTesla
File size:807'936 bytes
First seen:2020-07-31 12:11:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:6QVX8VeJJnvo5IfShbB1xv2DE7Et/P3lSmkJh7nBwXZcDgss8GDWYhmDO0CMd1OW:6msVe/Q+gFLv2DESPVSmy9o+Dhs87Mr
TLSH 2E05D0047B91E55EC76F8F7BCA944810EEB8E49A871BE38734C137BF18CA35AA901571
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
35
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255365 Sample: AWB.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 37 g.msn.com 2->37 39 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->39 49 Found malware configuration 2->49 51 Sigma detected: Capture Wi-Fi password 2->51 53 Yara detected AgentTesla 2->53 55 5 other signatures 2->55 9 AWB.exe 1 2->9         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\AWB.exe.log, ASCII 9->31 dropped 16 RegSvcs.exe 2 4 9->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49747, 587 YANDEXRU Russian Federation 16->33 35 smtp.yandex.com 16->35 29 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 16->29 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->43 45 Tries to steal Mail credentials (via file access) 16->45 47 5 other signatures 16->47 25 netsh.exe 3 16->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-31 12:13:03 UTC
AV detection:
20 of 31 (64.52%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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 web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Threat name:
Kryptik
Score:
1.00

Yara Signatures


Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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.

Comments