MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e12b0587d24f1f28bfc04ac59f0479bd458d042e5ec0602276ca8044c5b77ce. 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 3 File information Comments

SHA256 hash: 3e12b0587d24f1f28bfc04ac59f0479bd458d042e5ec0602276ca8044c5b77ce
SHA3-384 hash: 78d64f2e2a31433c04490d46232cbe33f236a4ae8f8cb2d21e0896ec2b337085e96f49eb888c7f4b6adae6cedff62896
SHA1 hash: f0c98634df621e1c3d102d7b17a0578d6ee97776
MD5 hash: 7adccbaba4d3512a99a01a66c2d8af7e
humanhash: north-oxygen-beer-floor
File name:SHIBIN JACOB CV.exe
Download: download sample
Signature AgentTesla
File size:772'608 bytes
First seen:2020-08-03 12:24:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 831ec412be4cd06baa632b18086fedb4 (12 x AgentTesla, 6 x MassLogger, 6 x Loki)
ssdeep 12288:7ZnVKDTViiHWs0H/3b6Wx/wtmqOFOUW3WdYsB+ujO5lsrmapnBNm87PoI:B44isf3bXot2CWGi+ujmlsr3z7PoI
Threatray 11'169 similar samples on MalwareBazaar
TLSH 01F4BF62B6F04537C126267C9C5B67749C2ABF106A28B8762FF91C4C4F396923CF9193
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
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
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256157 Sample: SHIBIN JACOB CV.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 65 Detected unpacking (changes PE section rights) 2->65 67 Detected unpacking (creates a PE file in dynamic memory) 2->67 69 Detected unpacking (overwrites its own PE header) 2->69 71 6 other signatures 2->71 7 SHIBIN JACOB CV.exe 2->7         started        10 Mymp4.exe 2->10         started        12 Mymp4.exe 2->12         started        14 wscript.exe 1 2->14         started        process3 signatures4 73 Writes to foreign memory regions 7->73 75 Allocates memory in foreign processes 7->75 77 Maps a DLL or memory area into another process 7->77 79 Queues an APC in another process (thread injection) 7->79 16 SHIBIN JACOB CV.exe 2 7 7->16         started        20 notepad.exe 1 7->20         started        81 Detected unpacking (changes PE section rights) 10->81 83 Detected unpacking (overwrites its own PE header) 10->83 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->85 87 3 other signatures 10->87 22 Mymp4.exe 4 10->22         started        24 notepad.exe 1 10->24         started        26 Mymp4.exe 12->26         started        28 notepad.exe 12->28         started        30 SHIBIN JACOB CV.exe 14->30         started        process5 file6 37 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 16->37 dropped 39 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 16->39 dropped 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->47 49 Drops VBS files to the startup folder 20->49 51 Delayed program exit found 20->51 53 Tries to steal Mail credentials (via file access) 26->53 55 Tries to harvest and steal ftp login credentials 26->55 57 Tries to harvest and steal browser information (history, passwords, etc) 26->57 41 C:\Users\user\AppData\Roaming\...\jh.vbs, ASCII 28->41 dropped 59 Writes to foreign memory regions 30->59 61 Allocates memory in foreign processes 30->61 63 Maps a DLL or memory area into another process 30->63 32 SHIBIN JACOB CV.exe 4 30->32         started        35 notepad.exe 1 30->35         started        signatures7 process8 signatures9 43 Tries to steal Mail credentials (via file access) 32->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 32->45
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-08-03 00:57:39 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops startup file
UPX packed file
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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