MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25fd50a82c468b423627bd640b7880e296aeecf124810b737f146fbc467bcfd2. 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


Intelligence File information Yara 1 Comments

SHA256 hash: 25fd50a82c468b423627bd640b7880e296aeecf124810b737f146fbc467bcfd2
SHA3-384 hash: 7837525a77f9ed50aa4062aba13f663db4e787137242c5a6bf0a701340b3f238c71fd00925540bfbae6ce24d99e1c633
SHA1 hash: fcbc47e37db49467e4351ea0e42cfb61a1413260
MD5 hash: a61e0261db604ea7bf8aa1e7fe294ae8
humanhash: march-tango-wisconsin-neptune
File name:a61e0261db604ea7bf8aa1e7fe294ae8.exe
Download: download sample
Signature Amadey
File size:1'201'728 bytes
First seen:2020-07-31 08:35:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f7b09d7281c27bea542f53ddd6f38aa7
ssdeep 3072:e+Y9xJ5k3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3v3ve5:eN9Dn0X2
TLSH BE45FFA436E9AFD3DA8781BA6111E66A1D0BDD354FACF1537540FCE823373E40C06AA5
Reporter @abuse_ch
Tags:Amadey exe


Twitter
@abuse_ch
Amadey C2:
http://217.8.117.52/gBvqLn4Dc/index.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changing the Zone.Identifier stream
Creating a process from a recently created file
Creating a window
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Connection attempt
Deleting a recently created file
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Sending an HTTP POST request to an infection source
Result
Threat name:
Amadey
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Creates an undocumented autostart registry key
Creates files in alternative data streams (ADS)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Amadey bot
Yara detected Amadey\'s stealer DLL
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255244 Sample: ZyLofTTiyl.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 50 g.msn.com 2->50 52 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->52 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Yara detected Amadey\'s stealer DLL 2->68 70 Yara detected Amadey bot 2->70 72 3 other signatures 2->72 9 ZyLofTTiyl.exe 4 2->9         started        13 bdif.exe 2->13         started        signatures3 process4 file5 48 C:\ProgramData\1321ba6d1f\bdif.exe, PE32 9->48 dropped 88 Detected unpacking (changes PE section rights) 9->88 90 Detected unpacking (overwrites its own PE header) 9->90 92 Creates files in alternative data streams (ADS) 9->92 15 bdif.exe 18 9->15         started        signatures6 process7 dnsIp8 56 217.8.117.52, 49740, 49741, 49742 CREXFEXPEX-RUSSIARU Russian Federation 15->56 40 C:\Users\user\AppData\Local\Temp\cred.dll, PE32 15->40 dropped 42 C:\Users\user\AppData\Local\...\cred[1].dll, PE32 15->42 dropped 44 C:\Users\user\AppData\Local\Temp\scr.dll, PE32 15->44 dropped 46 C:\Users\user\AppData\Local\...\scr[1].dll, PE32 15->46 dropped 58 Detected unpacking (changes PE section rights) 15->58 60 Detected unpacking (overwrites its own PE header) 15->60 62 Machine Learning detection for dropped file 15->62 64 Uses cmd line tools excessively to alter registry or file data 15->64 20 rundll32.exe 15->20         started        24 reg.exe 1 15->24         started        26 reg.exe 1 1 15->26         started        28 3 other processes 15->28 file9 signatures10 process11 dnsIp12 54 192.168.2.6, 443, 49690, 49691 unknown unknown 20->54 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->74 76 Tries to steal Instant Messenger accounts or passwords 20->76 78 Tries to steal Mail credentials (via file access) 20->78 80 Tries to harvest and steal ftp login credentials 20->80 82 Creates an undocumented autostart registry key 24->82 30 conhost.exe 24->30         started        84 Creates multiple autostart registry keys 26->84 32 conhost.exe 26->32         started        86 System process connects to network (likely due to code injection or exploit) 28->86 34 conhost.exe 28->34         started        36 conhost.exe 28->36         started        38 schtasks.exe 1 28->38         started        signatures13 process14
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-31 08:37:05 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
NTFS ADS
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
NTFS ADS
Adds Run key to start application
Adds Run key to start application
Loads dropped DLL
Loads dropped DLL
Executes dropped EXE
Blacklisted process makes network request
Executes dropped EXE
Blacklisted process makes network request
Threat name:
Malicious File
Score:
1.00

Yara Signatures


Rule name:win_amadey_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Web download

Amadey

Executable exe 25fd50a82c468b423627bd640b7880e296aeecf124810b737f146fbc467bcfd2

(this sample)

  
Delivery method
Distributed via web download

Comments