File name:

file

Full analysis: https://app.any.run/tasks/b99b56f4-83a2-48d3-bf6d-58b45110ab02
Verdict: Malicious activity
Analysis date: December 06, 2022, 05:37:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
amadey
loader
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

F3D607041A5CF0BAF1F11267C4052166

SHA1:

4F55FC9F4E316A9CE717974B7BBAEBB7CF687DE0

SHA256:

A25151FE3362E01C3F5EA6F0D367327F3F5109CA77F749E0000F7C9444887358

SSDEEP:

6144:tc5JyLBLrF3e90eWkgYIosV0fIYDhyd8ZS7kliVqKU01nXF:tcLydnF3e90hkgBfYDhymiNIKXdXF

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Drops the executable file immediately after the start

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 404)
    • AMADEY was detected

      • gntuud.exe (PID: 3992)
    • Uses Task Scheduler to run other applications

      • gntuud.exe (PID: 3992)
    • Changes the Startup folder

      • gntuud.exe (PID: 3992)
    • Changes the autorun value in the registry

      • gntuud.exe (PID: 3992)
    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 3800)
  • SUSPICIOUS

    • Reads the Internet Settings

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
    • Starts itself from another location

      • file.exe (PID: 3248)
    • Executable content was dropped or overwritten

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
    • Connects to the server without a host name

      • gntuud.exe (PID: 3992)
    • Executes via Task Scheduler

      • gntuud.exe (PID: 3736)
      • gntuud.exe (PID: 2148)
    • Send credential is detected

      • rundll32.exe (PID: 3800)
    • Uses RUNDLL32.EXE to load library

      • gntuud.exe (PID: 3992)
    • Drops a file with too old compile date

      • gntuud.exe (PID: 3992)
  • INFO

    • Reads the computer name

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
    • Checks supported languages

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
      • gntuud.exe (PID: 2148)
      • gntuud.exe (PID: 3736)
    • Drops a file that was compiled in debug mode

      • file.exe (PID: 3248)
    • Creates a file in a temporary directory

      • file.exe (PID: 3248)
      • gntuud.exe (PID: 3992)
    • Checks proxy server information

      • gntuud.exe (PID: 3992)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2021-Oct-12 04:03:58
Detected languages:
  • Slovak - Slovakia
Debug artifacts:
  • C:\cojobimu_zezo\14\puhefuki\wecalerahob_rewovamufi\vahifeweg\hal.pdb

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: 0
e_cparhdr: 4
e_minalloc: 0
e_maxalloc: 65535
e_ss: 0
e_sp: 184
e_csum: 0
e_ip: 0
e_cs: 0
e_ovno: 0
e_oemid: 0
e_oeminfo: 0
e_lfanew: 240

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 5
TimeDateStamp: 2021-Oct-12 04:03:58
PointerToSymbolTable: 0
NumberOfSymbols: 0
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
4096
98082
98304
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.69936
.data
102400
228612
216576
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.57685
.dohuyi
331776
3000
3072
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0
.rsrc
335872
40488
40960
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.93876
.reloc
376832
7680
7680
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
3.93018

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.53766
1736
UNKNOWN
Slovak - Slovakia
RT_ICON
2
5.55606
9640
UNKNOWN
Slovak - Slovakia
RT_ICON
3
5.79378
1128
UNKNOWN
Slovak - Slovakia
RT_ICON
4
5.48131
3752
UNKNOWN
Slovak - Slovakia
RT_ICON
5
5.34639
2216
UNKNOWN
Slovak - Slovakia
RT_ICON
6
5.68751
1384
UNKNOWN
Slovak - Slovakia
RT_ICON
7
5.59774
9640
UNKNOWN
Slovak - Slovakia
RT_ICON
8
5.72985
4264
UNKNOWN
Slovak - Slovakia
RT_ICON
9
5.77813
2440
UNKNOWN
Slovak - Slovakia
RT_ICON
10
5.30353
1128
UNKNOWN
Slovak - Slovakia
RT_ICON

Imports

KERNEL32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
6
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start file.exe #AMADEY gntuud.exe schtasks.exe no specs gntuud.exe no specs rundll32.exe gntuud.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3248"C:\Users\admin\AppData\Local\Temp\file.exe" C:\Users\admin\AppData\Local\Temp\file.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\file.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3992"C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe" C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe
file.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\3f904562a0\gntuud.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\imm32.dll
404"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /FC:\Windows\System32\schtasks.exegntuud.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\ole32.dll
c:\windows\system32\usp10.dll
3736C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exetaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\3f904562a0\gntuud.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
3800"C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Roaming\56a1c3d463f381\cred.dll, MainC:\Windows\System32\rundll32.exe
gntuud.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\usp10.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
2148C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exetaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\3f904562a0\gntuud.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
Total events
1 514
Read events
1 467
Write events
47
Delete events
0

Modification events

(PID) Process:(3248) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3248) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3248) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3248) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Operation:writeName:Startup
Value:
C:\Users\admin\AppData\Local\Temp\3f904562a0\
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3992) gntuud.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
Executable files
3
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3992gntuud.exeC:\Users\admin\AppData\Local\Temp\302019708150image
MD5:F886A458175AF881A26C411452AE2B9A
SHA256:80B876BC3673AF9963A9BB2ACC757D3A397336C610917D1E830A79DBB8A540D0
3992gntuud.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\cred[1].dllexecutable
MD5:AEBF8CD9EA982DECDED5EE6F3777C6D7
SHA256:104AF593683398F0980F2C86E6513B8C1B7DEDEDC1F924D4693AD92410D51A62
3248file.exeC:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exeexecutable
MD5:F3D607041A5CF0BAF1F11267C4052166
SHA256:A25151FE3362E01C3F5EA6F0D367327F3F5109CA77F749E0000F7C9444887358
3992gntuud.exeC:\Users\admin\AppData\Roaming\56a1c3d463f381\cred.dllexecutable
MD5:AEBF8CD9EA982DECDED5EE6F3777C6D7
SHA256:104AF593683398F0980F2C86E6513B8C1B7DEDEDC1F924D4693AD92410D51A62
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
3
DNS requests
0
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3992
gntuud.exe
POST
200
31.41.244.167:80
http://31.41.244.167/v7eWcjs/index.php
RU
text
6 b
malicious
3800
rundll32.exe
POST
200
31.41.244.167:80
http://31.41.244.167/v7eWcjs/index.php
RU
malicious
3992
gntuud.exe
POST
200
31.41.244.167:80
http://31.41.244.167/v7eWcjs/index.php?scr=1
RU
malicious
3992
gntuud.exe
GET
200
31.41.244.167:80
http://31.41.244.167/v7eWcjs/Plugins/cred.dll
RU
executable
126 Kb
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
31.41.244.167:80
Red Bytes LLC
RU
malicious
3992
gntuud.exe
31.41.244.167:80
Red Bytes LLC
RU
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
3992
gntuud.exe
A Network Trojan was detected
ET TROJAN Amadey CnC Check-In
3992
gntuud.exe
A Network Trojan was detected
AV TROJAN Agent.DHOA System Info Exfiltration
3992
gntuud.exe
Potentially Bad Traffic
ET INFO Dotted Quad Host DLL Request
3992
gntuud.exe
Potential Corporate Privacy Violation
AV POLICY HTTP request for .dll file with no User-Agent
3992
gntuud.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3992
gntuud.exe
Potentially Bad Traffic
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
3800
rundll32.exe
A Network Trojan was detected
AV TROJAN Trojan/Win32.Agent InfoStealer CnC Checkin
No debug info