MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53870aefd3a2ecf727142d294e55b106a70eba55996cb1ec50963e0bc49bfb09. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 53870aefd3a2ecf727142d294e55b106a70eba55996cb1ec50963e0bc49bfb09
SHA3-384 hash: c49635d76c7467c2ef2e4bdbe7e574ec39e5f4383b487963c12d1c2d7aac1a1c683d075e0e504b935d5449ed6315fe43
SHA1 hash: b5cede71f11151c67f3c975e2e60e78843ad995d
MD5 hash: 02593a51827f8d839f9374b9c6512289
humanhash: hawaii-nine-video-hot
File name:BL. NO. AWSMUNDAR360621.exe
Download: download sample
Signature AgentTesla
File size:720'896 bytes
First seen:2022-01-21 10:17:27 UTC
Last seen:2022-01-22 07:55:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7kGaCpQv4v/5tBR+YDifIh58fTzsVIgbARPmKz+DP6UQ0q6+ievYF:7pQv4v/TofIh6kbbeyDP6UQ/6+ievYF
Threatray 14'112 similar samples on MalwareBazaar
TLSH T14AE4D05032F88B05C47FCBF6583500A017BEB91AA865E35F6DD2B1DF0972F819A26763
File icon (PE):PE icon
dhash icon 1efef2c2e4a0e0e0 (16 x AgentTesla, 3 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand.exe ftp.exe obfuscated packed remote.exe shell32.dll
Result
Verdict:
UNKNOWN
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.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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 557585 Sample: BL. NO. AWSMUNDAR360621.exe Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected AgentTesla 2->78 80 12 other signatures 2->80 7 BL. NO. AWSMUNDAR360621.exe 7 2->7         started        11 YZtXgX.exe 2->11         started        13 YZtXgX.exe 2->13         started        process3 file4 58 C:\Users\user\AppData\...\cffBtJdbHTU.exe, PE32 7->58 dropped 60 C:\Users\user\AppData\Local\...\tmpCA46.tmp, XML 7->60 dropped 62 C:\Users\...\BL. NO. AWSMUNDAR360621.exe.log, ASCII 7->62 dropped 82 Adds a directory exclusion to Windows Defender 7->82 15 BL. NO. AWSMUNDAR360621.exe 7->15         started        20 powershell.exe 24 7->20         started        22 powershell.exe 24 7->22         started        30 2 other processes 7->30 84 Multi AV Scanner detection for dropped file 11->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->88 24 powershell.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        32 2 other processes 11->32 34 4 other processes 13->34 signatures5 process6 dnsIp7 64 api.telegram.org 149.154.167.220, 443, 49850 TELEGRAMRU United Kingdom 15->64 54 C:\Users\user\AppData\Roaming\...\YZtXgX.exe, PE32 15->54 dropped 56 C:\Users\user\...\YZtXgX.exe:Zone.Identifier, ASCII 15->56 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->66 68 Tries to steal Mail credentials (via file / registry access) 15->68 70 Tries to harvest and steal ftp login credentials 15->70 72 2 other signatures 15->72 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 30->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        52 conhost.exe 34->52         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-21 07:58:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
20 of 28 (71.43%)
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)
Modifies data under HKEY_USERS
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Sets service image path in registry
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1562684159:AAF0RHsedAMUFPfvPk6IyrreCEPxQ_b3Y3g/sendDocument
Unpacked files
SH256 hash:
b094430d82ea5b31510b25ffadd0810ebb8b17094319fd29e1968f93b2319cd3
MD5 hash:
ed3630f32582fef7eb4dd7a306beffd3
SHA1 hash:
87d6bb24ba7be0680d0056985af0cfcc8987bc6e
SH256 hash:
dfe55b2c476b36585626ac141b0c4d052929ba6799fa58e61d3f26d224466649
MD5 hash:
cb7ddb4f43c14139c95461c26ac671b7
SHA1 hash:
36a8c53285c79f55fe6acadfef47bfdff3bdf9e3
SH256 hash:
8a18691b9d9b4acf27b105c3f6888d4052aad2cf749fc470c4bfa59bb424525d
MD5 hash:
f93a748defcffb91f63ce51615a1a062
SHA1 hash:
0f5845957be00dba59f093f62e48941a46af7b22
SH256 hash:
53870aefd3a2ecf727142d294e55b106a70eba55996cb1ec50963e0bc49bfb09
MD5 hash:
02593a51827f8d839f9374b9c6512289
SHA1 hash:
b5cede71f11151c67f3c975e2e60e78843ad995d
Malware family:
Agent Tesla v3
Verdict:
Malicious
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: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 53870aefd3a2ecf727142d294e55b106a70eba55996cb1ec50963e0bc49bfb09

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments