MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3798de369de427e352f44d7b71c963e6e6de1559e5ed4110bfe4c5f15d33436a. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 3798de369de427e352f44d7b71c963e6e6de1559e5ed4110bfe4c5f15d33436a
SHA3-384 hash: 5f9b056f53246070942d821c48480d7262fc43417e98538b20c45d3cbb57cf7f532dc001721438cd0cd7d0f6b36a4e8b
SHA1 hash: fa009bf1111deafae6266c3fe0a74359468144ea
MD5 hash: b398bad641402894aa194af9096913bb
humanhash: wyoming-pasta-crazy-cola
File name:PI_NBI-2230123(MECH)_pdf.exe
Download: download sample
Signature AgentTesla
File size:18'432 bytes
First seen:2023-01-23 07:17:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:eT9YhXN3OfQgV33lHRH321cEwzwr0UE6k1dl8/vQBbfHa1jtHsXn4JgEbFnU:Z2QgVlHR0cEwDRH1dlkcyjt+6g9
Threatray 20'570 similar samples on MalwareBazaar
TLSH T1A8826412578CDF26CA7F4A75DCB382E603AB6F50DE0197CB16C0BE1A74327958A52783
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)
File icon (PE):PE icon
dhash icon 4db292f2d88cb40b (15 x RemcosRAT, 13 x AgentTesla, 7 x NanoCore)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
185
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI_NBI-2230123(MECH)_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-23 07:20:05 UTC
Tags:
n/a

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
obfuscated packed
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 potential unpacker
.NET source code references suspicious native API functions
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
May check the online IP address of the machine
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)
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 789488 Sample: PI_NBI-2230123(MECH)_pdf.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 7 other signatures 2->55 7 PI_NBI-2230123(MECH)_pdf.exe 15 7 2->7         started        12 Skype.exe 2 2->12         started        14 Skype.exe 1 2->14         started        process3 dnsIp4 43 v1wuog.ch.files.1drv.com 7->43 45 onedrive.live.com 7->45 47 3 other IPs or domains 7->47 31 C:\Users\user\AppData\Roaming\...\Zycaua.exe, PE32 7->31 dropped 33 C:\Users\user\...\Zycaua.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\...\PI_NBI-2230123(MECH)_pdf.exe.log, ASCII 7->35 dropped 65 Creates an undocumented autostart registry key 7->65 67 Encrypted powershell cmdline option found 7->67 69 Writes to foreign memory regions 7->69 71 Injects a PE file into a foreign processes 7->71 16 MSBuild.exe 16 4 7->16         started        21 powershell.exe 16 7->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        file5 signatures6 process7 dnsIp8 37 discord.com 162.159.136.232, 443, 49699 CLOUDFLARENETUS United States 16->37 39 api4.ipify.org 64.185.227.155, 443, 49698 WEBNXUS United States 16->39 41 api.ipify.org 16->41 29 C:\Users\user\AppData\Roaming\...\Skype.exe, PE32 16->29 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->59 61 May check the online IP address of the machine 16->61 63 4 other signatures 16->63 27 conhost.exe 21->27         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2023-01-23 07:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence
Behaviour
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
Looks up external IP address via web service
Checks computer location settings
Unpacked files
SH256 hash:
3798de369de427e352f44d7b71c963e6e6de1559e5ed4110bfe4c5f15d33436a
MD5 hash:
b398bad641402894aa194af9096913bb
SHA1 hash:
fa009bf1111deafae6266c3fe0a74359468144ea
Malware family:
AgentTesla
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 3798de369de427e352f44d7b71c963e6e6de1559e5ed4110bfe4c5f15d33436a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments