MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0
SHA3-384 hash: d4f1de21fc061cbd0d4c654359b48e332804c920405b5e3c5824cf68694a408d26920a0416e3f1a685ff0e28935fc09e
SHA1 hash: 60df9b31aeb301c4c480da58f75be14d775cb604
MD5 hash: 197e571bfcf3f22816e245fef4f86b4f
humanhash: north-sierra-dakota-uncle
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
File size:1'011'712 bytes
First seen:2021-07-27 13:06:17 UTC
Last seen:2021-07-27 13:37:32 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:/FhKzgGe0kY8WBvYXEK4EOBjMUEDF+dOKBFYFW6Znb5dnQJDJCcMujLMIy7uqc9l:/FhPGMW/LSFOITZQJlVyKvK1U2D
Threatray 7'411 similar samples on MalwareBazaar
TLSH T154255A3439FA502AF173EFB58BE4759ADA6FBB733707A419109103864623A81DEC153E
dhash icon 1030e8aa96969686 (12 x AgentTesla, 4 x Formbook, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT COPY.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-27 13:11:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing the hosts file
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
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 454765 Sample: TT COPY.exe Startdate: 27/07/2021 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 5 other signatures 2->49 6 TT COPY.exe 3 2->6         started        9 NXLun.exe 3 2->9         started        12 NXLun.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\TT COPY.exe.log, ASCII 6->25 dropped 14 TT 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 NXLun.exe 2 9->19         started        21 NXLun.exe 9->21         started        23 NXLun.exe 2 12->23         started        signatures5 process6 dnsIp7 33 us2.smtp.mailhostbox.com 208.91.198.143, 49733, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 27 C:\Users\user\AppData\Roaming\...27XLun.exe, PE32 14->27 dropped 29 C:\Users\user\...29XLun.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 3 other signatures 14->41 31 C:\Windows\System32\drivers\etc\hosts, ASCII 23->31 dropped file8 signatures9
Gathering data
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2021-07-27 06:44:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
19865f76f649731b1ee7e4a8abdd03e47b94ac0d2423f66387c7c621e84257d5
MD5 hash:
2257c477550ff17ccb796fad05d1bc09
SHA1 hash:
594412f58344c093ef205f979c985c0a203044b6
SH256 hash:
84e8c909e853978542fcba812b3d47029bb7cb0e0178e5b70b43b3f958e5b8e5
MD5 hash:
0405a9f838a77dd3f7b14e1d5d856f80
SHA1 hash:
36bd01f90b2a7f7ba5de107e744c00e7c08215c5
SH256 hash:
fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0
MD5 hash:
197e571bfcf3f22816e245fef4f86b4f
SHA1 hash:
60df9b31aeb301c4c480da58f75be14d775cb604
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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

Comments