MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400. 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 6 File information Comments

SHA256 hash: d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400
SHA3-384 hash: f4e6ef9aecf56ba70f358158c8c9d2a4b5107e1b0a4b3d6562bb34006ecbc8ff6d7fda28ee9d751af8f38cd040ce9728
SHA1 hash: bb26f54dbd11a457e39ff16bf8827d0ea2c1b9bb
MD5 hash: 5633cd396688fbf51c81c5e0c80ded01
humanhash: whiskey-jersey-alpha-william
File name:Invoice.exe
Download: download sample
Signature AgentTesla
File size:654'336 bytes
First seen:2021-07-26 11:03:55 UTC
Last seen:2021-08-10 09:12:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1Rt+UjpnFszqzWdeFbFA5muWakZDA+uBnmZF4:1RtfnzWwBA5rWLDA+uIZF4
Threatray 7'375 similar samples on MalwareBazaar
TLSH T112D4F727A43C46F3DF34E33A81569DD4A9B00D92A14CED1B639AB27B893A1131C5FD2D
dhash icon 6cc292e28a8abad4 (2 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence


File Origin
# of uploads :
3
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-07-26 11:07:06 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
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a 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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
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
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 454129 Sample: Invoice.exe Startdate: 26/07/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 8 other signatures 2->53 7 Invoice.exe 6 2->7         started        11 hgvQCmQ.exe 5 2->11         started        13 hgvQCmQ.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming\fIaIfdsy.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpF3D7.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 7->35 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 15 Invoice.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 Invoice.exe 7->21         started        61 Multi AV Scanner detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 23 schtasks.exe 1 11->23         started        25 hgvQCmQ.exe 2 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\hgvQCmQ.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 C:\Users\user\...\hgvQCmQ.exe:Zone.Identifier, ASCII 15->41 dropped 43 Modifies the hosts file 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-26 03:28:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
0d57e4083a4f7b9f0218455083ab4c8be9fd5ee6dd65fc9074d2a45ce6a159b1
MD5 hash:
4b740a568adb8d07bf9e5ed53453fe4b
SHA1 hash:
a48e966910f676af766d7b5fb14a014331d82806
SH256 hash:
0762ce563abf0d264354c188254aec95ba9414a67878493b4ec1f8c932bc31b8
MD5 hash:
509e2c707526226a72714d089874d10a
SHA1 hash:
7408bca397eb63a8c7e7a3c63d2c666ed6fa5b0f
SH256 hash:
d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400
MD5 hash:
5633cd396688fbf51c81c5e0c80ded01
SHA1 hash:
bb26f54dbd11a457e39ff16bf8827d0ea2c1b9bb
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: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.

Malspam

AgentTesla

Executable exe d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400

(this sample)

Comments