MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2657b99ff3f06f6f5be3862d879134151bfe87afedfaba13ccb21a3be0516d22. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 2657b99ff3f06f6f5be3862d879134151bfe87afedfaba13ccb21a3be0516d22
SHA3-384 hash: 2111902eefef31ee8e11f85a27cd8d9ac929cff6ca480dddae782d13da03f045481dc6830de761c7b75ba6f30eef20ec
SHA1 hash: b0189121269212155a77e64b84aa8c9d8e5f3750
MD5 hash: c7e036426856fc562cf38f9f52d00464
humanhash: glucose-ceiling-kitten-october
File name:DHL Shipment Deliveery Notification 27th October 2023 PDF.exe
Download: download sample
Signature AgentTesla
File size:1'659'904 bytes
First seen:2023-10-27 15:45:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:UCuVAyUYhzCfVjvJrdgVQ/HBaqM0FcwM9sj:GVAyj8f5JxHFc
Threatray 62 similar samples on MalwareBazaar
TLSH T10B759323BE47C9E3C14B5B36C5DB141403A1D6A16333E68B398E23695843FBB9DC6627
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla DHL exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
331
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
DHL Shipment Deliveery Notification 27th October 2023 PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-10-27 15:54:04 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade 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
Adds extensions / path to Windows Defender exclusion list
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
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)
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1333380 Sample: DHL_Shipment_Deliveery_Noti... Startdate: 27/10/2023 Architecture: WINDOWS Score: 100 89 mail.dayanbiotech.ir 2->89 91 web.fe.1drv.com 2->91 93 4 other IPs or domains 2->93 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Antivirus detection for dropped file 2->101 103 12 other signatures 2->103 10 DHL_Shipment_Deliveery_Notification_27th_October_2023_PDF.exe 16 6 2->10         started        14 Edfhwoe.exe 14 4 2->14         started        16 Micosoft Excel 2020.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 87 C:\Users\user\AppData\Roamingdfhwoe.exe, PE32 10->87 dropped 129 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->129 131 Creates multiple autostart registry keys 10->131 133 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->133 141 3 other signatures 10->141 20 DHL_Shipment_Deliveery_Notification_27th_October_2023_PDF.exe 1 5 10->20         started        25 cmd.exe 1 10->25         started        135 Antivirus detection for dropped file 14->135 137 Multi AV Scanner detection for dropped file 14->137 139 Machine Learning detection for dropped file 14->139 27 cmd.exe 14->27         started        29 cmd.exe 16->29         started        31 cmd.exe 18->31         started        33 cmd.exe 18->33         started        signatures6 process7 dnsIp8 95 dayanbiotech.ir 5.9.154.209, 49727, 49748, 49749 HETZNER-ASDE Germany 20->95 83 C:\Users\user\...\Micosoft Excel 2020.exe, PE32 20->83 dropped 85 Micosoft Excel 2020.exe:Zone.Identifier, ASCII 20->85 dropped 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->109 111 Tries to steal Mail credentials (via file / registry access) 20->111 113 Creates multiple autostart registry keys 20->113 115 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->115 117 Adds extensions / path to Windows Defender exclusion list 25->117 52 2 other processes 25->52 35 Edfhwoe.exe 27->35         started        38 conhost.exe 27->38         started        40 Micosoft Excel 2020.exe 29->40         started        42 conhost.exe 29->42         started        44 Edfhwoe.exe 31->44         started        46 conhost.exe 31->46         started        48 Micosoft Excel 2020.exe 33->48         started        50 conhost.exe 33->50         started        file9 signatures10 process11 signatures12 105 Adds extensions / path to Windows Defender exclusion list 35->105 107 Injects a PE file into a foreign processes 35->107 54 Edfhwoe.exe 35->54         started        57 cmd.exe 35->57         started        59 Micosoft Excel 2020.exe 40->59         started        61 cmd.exe 40->61         started        63 cmd.exe 44->63         started        65 cmd.exe 48->65         started        process13 signatures14 119 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 54->119 121 Tries to steal Mail credentials (via file / registry access) 54->121 123 Hides that the sample has been downloaded from the Internet (zone.identifier) 54->123 125 Adds extensions / path to Windows Defender exclusion list 57->125 67 conhost.exe 57->67         started        69 powershell.exe 57->69         started        127 Tries to harvest and steal browser information (history, passwords, etc) 59->127 71 conhost.exe 61->71         started        73 powershell.exe 61->73         started        75 conhost.exe 63->75         started        77 powershell.exe 63->77         started        79 conhost.exe 65->79         started        81 powershell.exe 65->81         started        process15
Threat name:
ByteCode-MSIL.Trojan.Mardom
Status:
Malicious
First seen:
2023-10-26 11:18:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
15 of 23 (65.22%)
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
2657b99ff3f06f6f5be3862d879134151bfe87afedfaba13ccb21a3be0516d22
MD5 hash:
c7e036426856fc562cf38f9f52d00464
SHA1 hash:
b0189121269212155a77e64b84aa8c9d8e5f3750
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:NET
Author:malware-lu
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 2657b99ff3f06f6f5be3862d879134151bfe87afedfaba13ccb21a3be0516d22

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments