MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74166c25bf897e34d2472be8b03709962c71e21a6b2257a49fa247b0a8d67884. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 74166c25bf897e34d2472be8b03709962c71e21a6b2257a49fa247b0a8d67884
SHA3-384 hash: cba458f4289820b37f0dc72cb5b78cd8486a99b8c54aaa3400ee72ae1b96292eb3a7c2002c187f9294c6aa0c9e776122
SHA1 hash: 8ab5fbd9dbeeb6ac2b59841048ad2a861fa9472e
MD5 hash: 4eb74edeaf8f5c6486d1c44d5790a86e
humanhash: grey-foxtrot-carbon-fix
File name:TT advise.exe
Download: download sample
Signature AgentTesla
File size:1'103'872 bytes
First seen:2021-12-07 11:17:52 UTC
Last seen:2021-12-07 12:57:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:AGrCiUmrqt+D3O4ntsk0AKJowPfnRa3OCYrSqluUgQaMKJ:AawmjD3Ot1J7fJQgzgd
Threatray 13'312 similar samples on MalwareBazaar
TLSH T1363512AC796367CDE68247B13B6A8034522A6D7A2157D1A8D05B319F1C3371A3D33BA3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT advise.exe
Verdict:
Malicious activity
Analysis date:
2021-12-07 11:26:42 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
Creating a window
DNS request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535438 Sample: TT advise.exe Startdate: 07/12/2021 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 12 other signatures 2->68 7 TT advise.exe 7 2->7         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 38 C:\Users\user\AppData\...\WSOzbaEolJa.exe, PE32 7->38 dropped 40 C:\Users\...\WSOzbaEolJa.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\Temp\tmpC1F.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\TT advise.exe.log, ASCII 7->44 dropped 70 Adds a directory exclusion to Windows Defender 7->70 15 RegSvcs.exe 2 4 7->15         started        20 RegSvcs.exe 7->20         started        22 powershell.exe 25 7->22         started        24 schtasks.exe 1 7->24         started        26 conhost.exe 11->26         started        28 conhost.exe 13->28         started        signatures5 process6 dnsIp7 46 mail.diva-italia.com 160.153.63.160, 49807, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->46 48 192.168.2.1 unknown unknown 15->48 34 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 60 3 other signatures 15->60 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->58 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-07 11:08:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b51a1f7d3111c2af5c083f5b669382c08090ef85aae1bfa1dbf27f710aa401e3
MD5 hash:
8e7bfd130d5ec37ea136a148304816b6
SHA1 hash:
a621e10dd732286295d724b33b3211e66907cf24
SH256 hash:
992b373b36e39ac73ec646d8a76372521bc348a2240f3c03bf018736868db631
MD5 hash:
903b8d472755976eb9dc2c89f669c807
SHA1 hash:
6b1a16085b8d937625e42503a753747173b34868
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
SH256 hash:
74166c25bf897e34d2472be8b03709962c71e21a6b2257a49fa247b0a8d67884
MD5 hash:
4eb74edeaf8f5c6486d1c44d5790a86e
SHA1 hash:
8ab5fbd9dbeeb6ac2b59841048ad2a861fa9472e
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe 74166c25bf897e34d2472be8b03709962c71e21a6b2257a49fa247b0a8d67884

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments