MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25988be27d311b97003c1a2beb482048eb8b2fd14ac05d5459fd399335e75407. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 25988be27d311b97003c1a2beb482048eb8b2fd14ac05d5459fd399335e75407
SHA3-384 hash: 8a2dd1e29f9f6ae43ebd5e49b7b897feb93e044c9db6475ca36ff39d228876e7ab09130f53a20dd8ffa15e4b795af270
SHA1 hash: 8b6a8a54c687184db2c1709910d6c59977674278
MD5 hash: b1f65662bd210ab2acee9866438313dd
humanhash: berlin-single-butter-mobile
File name:NEW-ORDER_#APRYR202204005.exe
Download: download sample
Signature AgentTesla
File size:268'288 bytes
First seen:2022-04-05 07:08:43 UTC
Last seen:2022-04-05 08:07:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:p/EoE08tYLgZ/EWrdm4Vz0Rpppppppppppppppppppppppppppppn:p/XtWrdm4Vz0RppppppppppppppppppR
Threatray 15'672 similar samples on MalwareBazaar
TLSH T156442842E9046674EE68AB345A33C9310322BDBD7D34E42D69E97D4B3FBFAE26015413
File icon (PE):PE icon
dhash icon d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
.NET source code contains potential unpacker
.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
Installs a global keyboard hook
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603124 Sample: NEW-ORDER_#APRYR202204005.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 51 mail.getconter.com 2->51 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 7 other signatures 2->69 8 NEW-ORDER_#APRYR202204005.exe 16 7 2->8         started        12 Brusaptz.exe 14 4 2->12         started        15 Brusaptz.exe 3 2->15         started        signatures3 process4 dnsIp5 53 trieutin.com 119.17.253.214, 443, 49771, 49779 NETNAM-AS-APNetnamCompanyVN Viet Nam 8->53 43 C:\Users\user\AppData\...\Brusaptz.exe, PE32 8->43 dropped 45 C:\Users\...\Brusaptz.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\...47EW-ORDER_#APRYR202204005.exe.log, ASCII 8->47 dropped 17 aspnet_compiler.exe 6 8->17         started        21 cmd.exe 1 8->21         started        71 Multi AV Scanner detection for dropped file 12->71 73 Machine Learning detection for dropped file 12->73 75 Writes to foreign memory regions 12->75 23 aspnet_compiler.exe 12->23         started        25 cmd.exe 12->25         started        77 Injects a PE file into a foreign processes 15->77 27 cmd.exe 15->27         started        29 aspnet_compiler.exe 15->29         started        file6 signatures7 process8 dnsIp9 49 mail.getconter.com 174.136.37.93, 49780, 49788, 49792 IHNETUS United States 17->49 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->57 59 Tries to steal Mail credentials (via file / registry access) 17->59 61 4 other signatures 17->61 31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        35 conhost.exe 25->35         started        37 timeout.exe 25->37         started        39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-05 07:09:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
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
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Unpacked files
SH256 hash:
25988be27d311b97003c1a2beb482048eb8b2fd14ac05d5459fd399335e75407
MD5 hash:
b1f65662bd210ab2acee9866438313dd
SHA1 hash:
8b6a8a54c687184db2c1709910d6c59977674278
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 25988be27d311b97003c1a2beb482048eb8b2fd14ac05d5459fd399335e75407

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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