| File name: | file |
| Full analysis: | https://app.any.run/tasks/47ad6dc4-67d7-4b18-861d-f9709bb3d193 |
| Verdict: | Malicious activity |
| Threats: | Amadey is a formidable Windows infostealer threat, characterized by its persistence mechanisms, modular design, and ability to execute various malicious tasks. |
| Analysis date: | December 05, 2022, 23:17:46 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C2605B57F82AAABD9FE5A91DEFF80BC3 |
| SHA1: | 781C6284399D236AB6172E679ED42A731D233CF5 |
| SHA256: | 63D0F4168E8F74352481B28AF20AA7EA6DABF821F0576A4CE708A3443B540A5F |
| SSDEEP: | 6144:i5resEnJoMWsBY3XIKRQd5HGKPUNk0CxFIDcaLVS:i5ylJoMWNXYdaNk/0DcaLVS |
MALICIOUS
Changes the autorun value in the registry
- gntuud.exe (PID: 3092)
Uses Task Scheduler to run other applications
- gntuud.exe (PID: 3092)
Changes the Startup folder
- gntuud.exe (PID: 3092)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3844)
AMADEY was detected
- gntuud.exe (PID: 3092)
Connects to the CnC server
- gntuud.exe (PID: 3092)
- rundll32.exe (PID: 832)
Drops the executable file immediately after the start
- gntuud.exe (PID: 3092)
Loads dropped or rewritten executable
- rundll32.exe (PID: 832)
SUSPICIOUS
Reads the Internet Settings
- file.exe (PID: 660)
- gntuud.exe (PID: 3092)
Starts itself from another location
- file.exe (PID: 660)
Connects to the server without a host name
- gntuud.exe (PID: 3092)
- rundll32.exe (PID: 832)
Uses RUNDLL32.EXE to load library
- gntuud.exe (PID: 3092)
Drops a file with too old compile date
- gntuud.exe (PID: 3092)
Send credential is detected
- rundll32.exe (PID: 832)
Process requests binary or script from the Internet
- gntuud.exe (PID: 3092)
Executes via Task Scheduler
- gntuud.exe (PID: 3856)
- gntuud.exe (PID: 1900)
INFO
Reads the computer name
- file.exe (PID: 660)
- gntuud.exe (PID: 3092)
Creates a file in a temporary directory
- file.exe (PID: 660)
- gntuud.exe (PID: 3092)
Checks supported languages
- file.exe (PID: 660)
- gntuud.exe (PID: 3092)
- gntuud.exe (PID: 1900)
- gntuud.exe (PID: 3856)
Checks proxy server information
- gntuud.exe (PID: 3092)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 2022-Jan-09 22:22:57 |
| Debug artifacts: |
|
DOS Header
| e_magic: | MZ |
|---|---|
| e_cblp: | 144 |
| e_cp: | 3 |
| e_crlc: | - |
| e_cparhdr: | 4 |
| e_minalloc: | - |
| e_maxalloc: | 65535 |
| e_ss: | - |
| e_sp: | 184 |
| e_csum: | - |
| e_ip: | - |
| e_cs: | - |
| e_ovno: | - |
| e_oemid: | - |
| e_oeminfo: | - |
| e_lfanew: | 224 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| NumberofSections: | 3 |
| TimeDateStamp: | 2022-Jan-09 22:22:57 |
| PointerToSymbolTable: | - |
| NumberOfSymbols: | - |
| SizeOfOptionalHeader: | 224 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 4096 | 106560 | 107008 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.32768 |
.data | 114688 | 239688 | 128512 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.92811 |
.rsrc | 356352 | 102496 | 102912 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.51888 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.33895 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
2 | 5.47765 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 5.08275 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 5.44877 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 5.72523 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 5.98694 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 5.89149 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 5.11653 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
9 | 4.66394 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
10 | 4.73079 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
Imports
GDI32.dll |
KERNEL32.dll |
Total processes
40
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 660 | "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
| |||||||||||||||
| 832 | "C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Roaming\56a1c3d463f381\cred.dll, Main | C:\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
| |||||||||||||||
| 1900 | C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe | C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3092 | "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 Exit code: 0 Modules
| |||||||||||||||
| 3844 | "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F | C:\Windows\System32\schtasks.exe | — | gntuud.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
| |||||||||||||||
| 3856 | C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe | C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe | — | taskeng.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 512
Read events
1 467
Write events
44
Delete events
1
Modification events
| (PID) Process: | (660) file.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (660) file.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (660) file.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (660) file.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders |
| Operation: | write | Name: | Startup |
Value: C:\Users\admin\AppData\Local\Temp\3f904562a0\ | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3092) gntuud.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
Executable files
3
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 660 | file.exe | C:\Users\admin\AppData\Local\Temp\3f904562a0\gntuud.exe | executable | |
MD5:— | SHA256:— | |||
| 3092 | gntuud.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\cred[1].dll | executable | |
MD5:— | SHA256:— | |||
| 3092 | gntuud.exe | C:\Users\admin\AppData\Roaming\56a1c3d463f381\cred.dll | executable | |
MD5:— | SHA256:— | |||
| 3092 | gntuud.exe | C:\Users\admin\AppData\Local\Temp\302019708150 | image | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
5
DNS requests
0
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3092 | gntuud.exe | GET | 200 | 31.41.244.167:80 | http://31.41.244.167/v7eWcjs/Plugins/cred.dll | RU | executable | 126 Kb | malicious |
832 | rundll32.exe | POST | 200 | 31.41.244.167:80 | http://31.41.244.167/v7eWcjs/index.php | RU | — | — | malicious |
3092 | gntuud.exe | POST | 200 | 31.41.244.167:80 | http://31.41.244.167/v7eWcjs/index.php?scr=1 | RU | — | — | malicious |
3092 | gntuud.exe | POST | 200 | 31.41.244.167:80 | http://31.41.244.167/v7eWcjs/index.php | RU | text | 6 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3092 | gntuud.exe | 31.41.244.167:80 | — | Red Bytes LLC | RU | malicious |
832 | rundll32.exe | 31.41.244.167:80 | — | Red Bytes LLC | RU | malicious |
DNS requests
Threats
PID | Process | Class | Message |
|---|---|---|---|
3092 | gntuud.exe | A Network Trojan was detected | ET TROJAN Amadey CnC Check-In |
3092 | gntuud.exe | A Network Trojan was detected | AV TROJAN Agent.DHOA System Info Exfiltration |
3092 | gntuud.exe | Potentially Bad Traffic | ET INFO Dotted Quad Host DLL Request |
3092 | gntuud.exe | Potential Corporate Privacy Violation | AV POLICY HTTP request for .dll file with no User-Agent |
3092 | gntuud.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3092 | gntuud.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
832 | rundll32.exe | A Network Trojan was detected | AV TROJAN Trojan/Win32.Agent InfoStealer CnC Checkin |