MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5294adecd851047730080fd503c09f7bbfe1dfadef235bf7a47e5829b9e68655. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 5294adecd851047730080fd503c09f7bbfe1dfadef235bf7a47e5829b9e68655
SHA3-384 hash: b5578318e44880bf7bfd0beadf2083ca825249d657cdf02afc448559451cb4411f1d30d5d4f2224440937ed6ac87ac62
SHA1 hash: 6bd0e1a65c396678a17ea186a3fc35cc2e2ef7ce
MD5 hash: 86203eb8d628ea6cb5f38f0b2b41481e
humanhash: louisiana-sierra-four-coffee
File name:DRAFT BL.exe
Download: download sample
Signature AgentTesla
File size:1'198'080 bytes
First seen:2022-11-09 08:30:47 UTC
Last seen:2022-11-09 09:49:00 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 24576:kDSMLbunY65739cQoLdLt4yOeNUsWeI+ymcIq+:kDtKnY6FQ5KHQUBeIN
Threatray 19'630 similar samples on MalwareBazaar
TLSH T14F45DF4619ABCE56F3C617BBC0E3EE1057F5AAE71693E61BB96443D0F013B42C902A71
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71e0d0e0a2b6dc71 (3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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: 741736 Sample: DRAFT BL.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 13 other signatures 2->68 7 tZFWUSlI.exe 5 2->7         started        10 DRAFT BL.exe 6 2->10         started        13 SsLtblq.exe 5 2->13         started        process3 file4 70 Multi AV Scanner detection for dropped file 7->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Machine Learning detection for dropped file 7->74 15 tZFWUSlI.exe 7->15         started        19 schtasks.exe 7->19         started        21 tZFWUSlI.exe 7->21         started        42 C:\Users\user\AppData\Roaming\tZFWUSlI.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpF5CD.tmp, XML 10->44 dropped 46 C:\Users\user\AppData\...\DRAFT BL.exe.log, ASCII 10->46 dropped 76 Injects a PE file into a foreign processes 10->76 23 DRAFT BL.exe 17 6 10->23         started        26 schtasks.exe 1 10->26         started        78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->78 28 SsLtblq.exe 13->28         started        30 schtasks.exe 1 13->30         started        signatures5 process6 dnsIp7 48 192.168.2.1 unknown unknown 15->48 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Tries to steal Mail credentials (via file / registry access) 15->54 56 Tries to harvest and steal ftp login credentials 15->56 58 Tries to harvest and steal browser information (history, passwords, etc) 15->58 32 conhost.exe 19->32         started        50 api.telegram.org 149.154.167.220, 443, 49713, 49719 TELEGRAMRU United Kingdom 23->50 38 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 23->38 dropped 40 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 23->40 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->60 34 conhost.exe 26->34         started        36 conhost.exe 30->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2022-11-09 03:13:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
18 of 26 (69.23%)
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
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
4545ed98ec14f266a6315e3a073dcaaef0aec98006c1afa8dfbc00995acf1485
MD5 hash:
d4fb2f73c6bce48d71d6d6a16304e131
SHA1 hash:
1d99ddf2e47d2d1792ca3afd83ecdcbfbbd9a4c4
SH256 hash:
5294adecd851047730080fd503c09f7bbfe1dfadef235bf7a47e5829b9e68655
MD5 hash:
86203eb8d628ea6cb5f38f0b2b41481e
SHA1 hash:
6bd0e1a65c396678a17ea186a3fc35cc2e2ef7ce
Malware family:
AgentTesla.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 5294adecd851047730080fd503c09f7bbfe1dfadef235bf7a47e5829b9e68655

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments