MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21cc3a0dca0b425b501cdb9ed42bda259843cfc1a997d3d08fbe9efa45776ae2. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 21cc3a0dca0b425b501cdb9ed42bda259843cfc1a997d3d08fbe9efa45776ae2
SHA3-384 hash: 7a91a8dec896acf4f64c2fd73d552fb3e807d3d0050ccc4c8cce428540d137b87d214c02679eb0bc29c0601ae0b82ea9
SHA1 hash: 8d7a5c602ee56a6614e5a8795e736a316f502b2d
MD5 hash: 1efd2e28758f65eb9e860dfd1c57358f
humanhash: alanine-arkansas-uranus-violet
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
File size:496'640 bytes
First seen:2023-04-26 13:42:16 UTC
Last seen:2023-05-01 14:48:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 6144:oc5klRmUPmcu6EMnxThkquh8HkO9dp9iM3JtqnV4tO/QSwRD06C76vN:ocqHmUPmvUxTWqc8RjcgTqVb22tu
TLSH T192B4593CA9EE89EBC135F1B6CFB98865F5A2C65372518D3965DB01484602EC336C42BF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2023-04-26 13:43:19 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
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:
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 854508 Sample: PURCHASE_ORDER.exe Startdate: 26/04/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 10 other signatures 2->60 7 PURCHASE_ORDER.exe 6 2->7         started        11 CvrwovvaCE.exe 5 2->11         started        13 gcWPrHZ.exe 4 2->13         started        15 gcWPrHZ.exe 3 2->15         started        process3 file4 42 C:\Users\user\AppData\...\CvrwovvaCE.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp791A.tmp, XML 7->44 dropped 46 C:\Users\user\...\PURCHASE_ORDER.exe.log, ASCII 7->46 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 74 Injects a PE file into a foreign processes 7->74 17 PURCHASE_ORDER.exe 2 5 7->17         started        22 schtasks.exe 1 7->22         started        76 Antivirus detection for dropped file 11->76 78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 24 CvrwovvaCE.exe 11->24         started        26 schtasks.exe 11->26         started        28 gcWPrHZ.exe 13->28         started        30 schtasks.exe 13->30         started        signatures5 process6 dnsIp7 48 us2.smtp.mailhostbox.com 208.91.198.143, 49704, 49706, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->48 38 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 17->38 dropped 40 C:\Users\user\...\gcWPrHZ.exe:Zone.Identifier, ASCII 17->40 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->62 64 Tries to steal Mail credentials (via file / registry access) 17->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->66 32 conhost.exe 22->32         started        50 192.168.2.1 unknown unknown 24->50 34 conhost.exe 26->34         started        52 208.91.199.223, 49705, 587 PUBLIC-DOMAIN-REGISTRYUS United States 28->52 68 Tries to harvest and steal browser information (history, passwords, etc) 28->68 36 conhost.exe 30->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-04-26 10:01:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
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
Unpacked files
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
SH256 hash:
683dd9fa1ced80bb7f02f09c363cacdb34ee4cea31e33ee592fa4baf45952e8f
MD5 hash:
eda2d30443a4ab9edab9e5c21cd20e93
SHA1 hash:
25bfaadb826b27334e98cf3d41b2177fa5b39865
SH256 hash:
21cc3a0dca0b425b501cdb9ed42bda259843cfc1a997d3d08fbe9efa45776ae2
MD5 hash:
1efd2e28758f65eb9e860dfd1c57358f
SHA1 hash:
8d7a5c602ee56a6614e5a8795e736a316f502b2d
Malware family:
AgentTesla.v4
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.

  
Delivery method
Other

Comments