MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bccf288fd0f23a0ed1f1582ff2e5109b453c2bc01eda749bfe55a900f5b47b2. 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 8 File information Comments

SHA256 hash: 7bccf288fd0f23a0ed1f1582ff2e5109b453c2bc01eda749bfe55a900f5b47b2
SHA3-384 hash: 97933ed45cf7e8069300ab6f06840988caa1d49130527fbcc6e3c9e6359cf22971fd20d52db407fde830be1779089fc1
SHA1 hash: 3b55e20c90e8da5d5cae309810602ff368e760f2
MD5 hash: 0c5d36944ab0c34e70ef9ec43429f7d4
humanhash: romeo-vermont-nine-delaware
File name:Albarán factura.pdf.exe
Download: download sample
Signature AgentTesla
File size:683'520 bytes
First seen:2021-09-27 12:25:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ASDlQIF/OXfwYw/FYQaMaqY4TDGDkN7L8RmYONSCaYjFSrvEk:2IFaHoFYQaMPQkN7NYOLagFS
Threatray 10'287 similar samples on MalwareBazaar
TLSH T1D0E4D028B33D8A1FC5EF83BAF059015887E2E68B734DC7849F8270ED69E9735554248B
File icon (PE):PE icon
dhash icon 609e696169701000 (17 x AgentTesla, 5 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Albarán factura.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 12:27:11 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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 strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
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 steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491412 Sample: Albar#U00e1n factura.pdf.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 28 Yara detected AgentTesla 2->28 30 Yara detected Telegram RAT 2->30 32 Yara detected AntiVM3 2->32 34 10 other signatures 2->34 7 Albar#U00e1n factura.pdf.exe 4 2->7         started        10 kmk.exe 3 2->10         started        12 kmk.exe 2->12         started        process3 signatures4 36 Adds a directory exclusion to Windows Defender 7->36 38 Injects a PE file into a foreign processes 7->38 14 Albar#U00e1n factura.pdf.exe 2 5 7->14         started        18 powershell.exe 23 7->18         started        40 Multi AV Scanner detection for dropped file 10->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->44 20 kmk.exe 2 10->20         started        process5 file6 24 C:\Users\user\AppData\Roaming\kmk\kmk.exe, PE32 14->24 dropped 26 C:\Users\user\...\kmk.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to steal Mail credentials (via file access) 14->46 48 Tries to harvest and steal browser information (history, passwords, etc) 14->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->50 52 Installs a global keyboard hook 14->52 22 conhost.exe 18->22         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-27 13:03:13 UTC
AV detection:
14 of 27 (51.85%)
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument
Unpacked files
SH256 hash:
8a7f6e89d3ee78e7e582cbf4cc1577c9fbd1b5d4af049284def6eb1f32a872eb
MD5 hash:
469a36aca9a7bab11b3b0acb15d20c35
SHA1 hash:
a9a868398cc0625b5c26cc31433fb662f73f7d45
SH256 hash:
9bce0e0970a1945a35b99cd0e1143fbc7b190a2c2c917b0eb2382278e376c5d3
MD5 hash:
38eece3513adc50b06604e080f43ec45
SHA1 hash:
4591356de5243f0263c7be7fde2b929b552e1f26
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
SH256 hash:
7bccf288fd0f23a0ed1f1582ff2e5109b453c2bc01eda749bfe55a900f5b47b2
MD5 hash:
0c5d36944ab0c34e70ef9ec43429f7d4
SHA1 hash:
3b55e20c90e8da5d5cae309810602ff368e760f2
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
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.

Malspam

AgentTesla

Executable exe 7bccf288fd0f23a0ed1f1582ff2e5109b453c2bc01eda749bfe55a900f5b47b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments