MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbb385b8529f8c65542da6de1561bac167da44c7de62a3f82407182db4aab8ff. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: cbb385b8529f8c65542da6de1561bac167da44c7de62a3f82407182db4aab8ff
SHA3-384 hash: ab1f5b934d546a7063d86d091633acd657faf67801674617ec981ae5e0a04a26ae6b0ad82fc3bca3d4458f87686ec2f0
SHA1 hash: 42e38b1a6e8e99e5c227afa2eec7d69a769f9a52
MD5 hash: 4e1495585f1982eaf5368d897f9b1985
humanhash: idaho-autumn-tango-freddie
File name:invoice.pdf.exe
Download: download sample
Signature AgentTesla
File size:861'696 bytes
First seen:2021-08-06 19:24:15 UTC
Last seen:2021-08-07 10:02:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7caQxt8JvG8LbgDPwFVt2NjFPAgUhNELNBcYwZeJSL/pJ2bjon6r3ZOHnqYkDo:6qb0wFVMNjehiBBcF4JSFob8n6jEHqC
Threatray 7'983 similar samples on MalwareBazaar
TLSH T16C05CF647AED1704E1BBEB74423562004BF6FE3BD72AC74E2C25709C9A73A824712F56
dhash icon 1d19094a5b2f371e (26 x AgentTesla, 4 x NanoCore, 4 x DarkCloud)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
331
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 19:26:04 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
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
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 very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Suspicious Double Extension
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 access)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 460927 Sample: invoice.pdf.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 9 other signatures 2->38 7 invoice.pdf.exe 7 2->7         started        process3 dnsIp4 26 192.168.2.1 unknown unknown 7->26 20 C:\Users\user\AppData\Roaming\oXpdFGziN.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmp9CB1.tmp, XML 7->22 dropped 24 C:\Users\user\AppData\...\invoice.pdf.exe.log, ASCII 7->24 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->42 44 Uses schtasks.exe or at.exe to add and modify task schedules 7->44 46 Injects a PE file into a foreign processes 7->46 12 invoice.pdf.exe 2 7->12         started        16 schtasks.exe 1 7->16         started        file5 signatures6 process7 dnsIp8 28 aninditaeng.net 162.214.50.135, 49740, 587 UNIFIEDLAYER-AS-1US United States 12->28 30 mail.aninditaeng.net 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-06 12:27:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
59ffda046e7e7c0fe2d9fe9d71f2b03e87d30bfa5d5dd9f5d4c167a4fc6fa980
MD5 hash:
0d14064a683c73e2dccb996ff4a9bd38
SHA1 hash:
d73c340b5bad17713317527d573c142f3a27def5
SH256 hash:
a7e750779c62545f5529dcfeed3210b390eeb1d13b728d574378f64e3c11b32c
MD5 hash:
d1194a4a175b83f6b8e8cfca8d7ca9bc
SHA1 hash:
84ff56d9792cd46263ba425229c525b3f36de21c
SH256 hash:
cbb385b8529f8c65542da6de1561bac167da44c7de62a3f82407182db4aab8ff
MD5 hash:
4e1495585f1982eaf5368d897f9b1985
SHA1 hash:
42e38b1a6e8e99e5c227afa2eec7d69a769f9a52
Malware family:
Mal/Generic-S
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: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.

  
Delivery method
Other

Comments