File name:

b.exe

Full analysis: https://app.any.run/tasks/04f9dcfe-ea1a-4dcd-bea5-07b7ff56d71f
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: January 18, 2020, 10:17:47
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:

013B1AFDA2DA16E7C85DCD7F86D7C563

SHA1:

2668074FB14615FF00519FA0B8AFB81B5CB28932

SHA256:

B1ACFEE4F2BBF5E1C35ACA080EF75A727D084343E66402F9E23BD513C7A4E7E4

SSDEEP:

3072:zfYq5h7G5U0Y+zqNa7xzZP7cRxvzBBbvJfllIrrnnxsAtSnzO21Yhotd:d5h7G5dfzqNIx9cRRBBcxPgyOX

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

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 2924)
    • AMADEY was detected

      • b.exe (PID: 2184)
      • gvsaa.exe (PID: 3456)
    • Actions looks like stealing of personal data

      • rundll32.exe (PID: 2924)
    • Changes the autorun value in the registry

      • REG.exe (PID: 1784)
    • Changes the Startup folder

      • REG.exe (PID: 3784)
    • Downloads executable files from the Internet

      • gvsaa.exe (PID: 3456)
    • Connects to CnC server

      • gvsaa.exe (PID: 3456)
  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • gvsaa.exe (PID: 3456)
    • Executable content was dropped or overwritten

      • gvsaa.exe (PID: 3456)
      • b.exe (PID: 2184)
    • Creates files in the program directory

      • b.exe (PID: 2184)
    • Starts itself from another location

      • gvsaa.exe (PID: 3456)
    • Uses REG.EXE to modify Windows registry

      • gvsaa.exe (PID: 3456)
  • INFO

    No info indicators.
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)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:01:14 17:00:16+01:00
PEType: PE32
LinkerVersion: 7.1
CodeSize: 167936
InitializedDataSize: 94208
UninitializedDataSize: -
EntryPoint: 0x9f30
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 14-Jan-2020 16:00:16

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 14-Jan-2020 16:00:16
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00028FEA
0x00029000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.61696
.rdata
0x0002A000
0x000046C0
0x00005000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.0183
.data
0x0002F000
0x00010694
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.06657
.idata
0x00040000
0x00000B1A
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.58107

Imports

KERNEL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
9
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start b.exe no specs #AMADEY b.exe gvsaa.exe no specs #AMADEY gvsaa.exe reg.exe reg.exe rundll32.exe b32_priv.exe no specs b32_priv.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
784"C:\Users\admin\AppData\Local\Temp\b.exe" C:\Users\admin\AppData\Local\Temp\b.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\b.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
1296c:\programdata\da393c8c04\gvsaa.exec:\programdata\da393c8c04\gvsaa.exeb.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\programdata\da393c8c04\gvsaa.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
1784REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v cred /t REG_SZ /d "rundll32 C:\Users\admin\AppData\Local\Temp\cred.dll, Main"C:\Windows\system32\REG.exe
gvsaa.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2184"C:\Users\admin\AppData\Local\Temp\b.exe" C:\Users\admin\AppData\Local\Temp\b.exe
b.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\b.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
2280C:\Users\admin\AppData\Local\Temp\b32_priv.exeC:\Users\admin\AppData\Local\Temp\b32_priv.exeb32_priv.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\b32_priv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shlwapi.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
2608C:\Users\admin\AppData\Local\Temp\b32_priv.exeC:\Users\admin\AppData\Local\Temp\b32_priv.exegvsaa.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\b32_priv.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
2924rundll32.exe C:\Users\admin\AppData\Local\Temp\cred.dll, MainC:\Windows\system32\rundll32.exe
gvsaa.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:\systemroot\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\imagehlp.dll
3456c:\programdata\da393c8c04\gvsaa.exec:\programdata\da393c8c04\gvsaa.exe
gvsaa.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\programdata\da393c8c04\gvsaa.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
3784REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\da393c8c04C:\Windows\system32\REG.exe
gvsaa.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\reg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
42
Read events
22
Write events
20
Delete events
0

Modification events

(PID) Process:(3784) REG.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Operation:writeName:Startup
Value:
C:\ProgramData\da393c8c04
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3456) gvsaa.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\gvsaa_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
Executable files
5
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2184b.exeC:\ProgramData\0
MD5:
SHA256:
2184b.exeC:\programdata\da393c8c04\gvsaa.exe:Zone.Identifier
MD5:
SHA256:
3456gvsaa.exeC:\ProgramData\0
MD5:
SHA256:
2924rundll32.exeC:
MD5:
SHA256:
3456gvsaa.exeC:
MD5:
SHA256:
2184b.exeC:\programdata\da393c8c04\gvsaa.exeexecutable
MD5:
SHA256:
3456gvsaa.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\cred[1].dllexecutable
MD5:
SHA256:
3456gvsaa.exeC:\Users\admin\AppData\Local\Temp\b32_priv.exeexecutable
MD5:
SHA256:
3456gvsaa.exeC:\Users\admin\AppData\Local\Temp\cred.dllexecutable
MD5:
SHA256:
3456gvsaa.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\b32_priv[1].exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
9
DNS requests
5
Threats
17

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3456
gvsaa.exe
GET
200
49.51.136.157:80
http://3053-325-43-253.com/Hfunr3U/cred.dll
CN
executable
71.5 Kb
malicious
3456
gvsaa.exe
POST
200
49.51.136.157:80
http://3053-325-43-253.com/Hfunr3U/index.php
CN
text
61 b
malicious
2924
rundll32.exe
POST
200
49.51.136.157:80
http://3053-325-43-253.com/Hfunr3U/index.php
CN
malicious
3456
gvsaa.exe
GET
200
162.241.27.32:80
http://easy-web-weight-loss.com/b32_priv.exe
US
executable
309 Kb
malicious
2924
rundll32.exe
POST
200
49.51.136.157:80
http://324-23-32432.com/Hfunr3U/index.php
CN
malicious
2924
rundll32.exe
POST
200
49.51.136.157:80
http://35-23-4532-34.com/Hfunr3U/index.php
CN
malicious
3456
gvsaa.exe
POST
200
49.51.136.157:80
http://3053-325-43-253.com/Hfunr3U/index.php
CN
malicious
3456
gvsaa.exe
POST
200
49.51.136.157:80
http://324-23-32432.com/Hfunr3U/index.php
CN
text
6 b
malicious
3456
gvsaa.exe
POST
200
49.51.136.157:80
http://35-23-4532-34.com/Hfunr3U/index.php
CN
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
3456
gvsaa.exe
49.51.136.157:80
3053-325-43-253.com
Tencent Building, Kejizhongyi Avenue
CN
malicious
2924
rundll32.exe
49.51.136.157:80
3053-325-43-253.com
Tencent Building, Kejizhongyi Avenue
CN
malicious
3456
gvsaa.exe
162.241.27.32:80
easy-web-weight-loss.com
CyrusOne LLC
US
malicious

DNS requests

Domain
IP
Reputation
3053-325-43-253.com
  • 49.51.136.157
malicious
easy-web-weight-loss.com
  • 162.241.27.32
malicious
324-23-32432.com
  • 49.51.136.157
malicious
35-23-4532-34.com
  • 49.51.136.157
malicious

Threats

PID
Process
Class
Message
3456
gvsaa.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3456
gvsaa.exe
A Network Trojan was detected
ET CURRENT_EVENTS Likely Evil EXE download from MSXMLHTTP non-exe extension M2
3456
gvsaa.exe
A Network Trojan was detected
ET TROJAN Amadey CnC Check-In
3456
gvsaa.exe
A Network Trojan was detected
AV TROJAN Agent.DHOA System Info Exfiltration
3456
gvsaa.exe
A Network Trojan was detected
MALWARE [PTsecurity] Trojan.Win32.Amadey
3456
gvsaa.exe
A Network Trojan was detected
MALWARE [PTsecurity] Amadey
3456
gvsaa.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3456
gvsaa.exe
A Network Trojan was detected
ET TROJAN Amadey CnC Check-In
3456
gvsaa.exe
A Network Trojan was detected
AV TROJAN Agent.DHOA System Info Exfiltration
3456
gvsaa.exe
A Network Trojan was detected
MALWARE [PTsecurity] Trojan.Win32.Amadey
2 ETPRO signatures available at the full report
No debug info