Malware analysis AssemblyGuard_Sample.exe Malicious activity

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File name:	AssemblyGuard_Sample.exe
Full analysis:	https://app.any.run/tasks/f8bd70b0-422a-4345-bf38-38aed899d283
Verdict:	Malicious activity
Analysis date:	November 08, 2018, 16:08:14
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	installer
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows
MD5:	94169ED08B3634D16A057E0AD0AEBC33
SHA1:	75144E73A2A6F60481921236D3D1E870C8B739DC
SHA256:	F3D192F9D49A3CE0FA68295E767B9D4DC3E8B0385717EBF4586E7FC0BDBD2A0C
SSDEEP:	196608:6cNQb4Ik+I8I4GA81G+Lhna9Z+upHzDECQ61BNtV1Ejzoq9WbN+:ib4Il5G1xnaLLpHzDEMdtDEQx

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.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: off
Network:: on

Software preset

Internet Explorer 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (68.0.3440.106)
Google Update Helper (1.3.33.17)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.6.1 (4.6.01055)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
Mozilla Firefox 61.0.2 (x86 en-US) (61.0.2)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Loads dropped or rewritten executable
  - AssemblyGuard_Sample.exe (PID: 2604)
- Application was dropped or rewritten from another process
  - 54e44458a01c1c5501cf0212a8291a03.exe (PID: 3188)
  - cppnativeparser.exe (PID: 2768)
SUSPICIOUS
- Executable content was dropped or overwritten
  - AssemblyGuard_Sample.exe (PID: 3264)
- Application launched itself
  - AssemblyGuard_Sample.exe (PID: 3264)
- Loads Python modules
  - AssemblyGuard_Sample.exe (PID: 2604)
- Starts CMD.EXE for commands execution
  - AssemblyGuard_Sample.exe (PID: 2604)
INFO
- Dropped object may contain Bitcoin addresses
  - AssemblyGuard_Sample.exe (PID: 3264)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	InstallShield setup (54.3)
.exe	\|	Win64 Executable (generic) (34.8)
.exe	\|	Win32 Executable (generic) (5.6)
.exe	\|	Generic Win/DOS Executable (2.5)
.exe	\|	DOS Executable Generic (2.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2018:09:04 16:43:33+02:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	125952
InitializedDataSize:	224256
UninitializedDataSize:	-
EntryPoint:	0x79d3
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	04-Sep-2018 14:43:33

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:	0x00000108

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	6
Time date stamp:	04-Sep-2018 14:43:33
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_LARGE_ADDRESS_AWARE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0001EB34	0x0001EC00	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.64811
.rdata	0x00020000	0x0000B164	0x0000B200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	6.09995
.data	0x0002C000	0x0000E688	0x00000A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	1.92387
.gfids	0x0003B000	0x000000B8	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	1.83952
.rsrc	0x0003C000	0x0002940C	0x00029600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.00442
.reloc	0x00066000	0x000017B4	0x00001800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	6.65332

Resources

Title	Entropy	Size	Codepage	Language	Type
0	3.01007	132	Latin 1 / Western European	UNKNOWN	RT_GROUP_ICON
1	7.84265	6416	Latin 1 / Western European	UNKNOWN	RT_ICON
2	3.06302	67624	Latin 1 / Western European	UNKNOWN	RT_ICON
3	3.72277	38056	Latin 1 / Western European	UNKNOWN	RT_ICON
4	3.76658	21640	Latin 1 / Western European	UNKNOWN	RT_ICON
5	3.27191	16936	Latin 1 / Western European	UNKNOWN	RT_ICON
6	3.87529	9640	Latin 1 / Western European	UNKNOWN	RT_ICON
7	3.68301	4264	Latin 1 / Western European	UNKNOWN	RT_ICON
8	4.15098	2440	Latin 1 / Western European	UNKNOWN	RT_ICON
9	4.16518	1128	Latin 1 / Western European	UNKNOWN	RT_ICON

Imports


KERNEL32.dll
USER32.dll
WS2_32.dll

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2604

"C:\Users\admin\AppData\Local\Temp\AssemblyGuard_Sample.exe"

C:\Users\admin\AppData\Local\Temp\AssemblyGuard_Sample.exe

—

AssemblyGuard_Sample.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\assemblyguard_sample.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\ws2_32.dll

2768

C:\Users\admin\AppData\Local\Temp\_MEI32642/os/fixer/cppnativeparser.exe -n 54e44458a01c1c5501cf0212a8291a03.exe

C:\Users\admin\AppData\Local\Temp\_MEI32642\os\fixer\cppnativeparser.exe

—

AssemblyGuard_Sample.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\_mei32642\os\fixer\cppnativeparser.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\api-ms-win-core-synch-l1-2-0.dll

2972

cmd /c C:\Users\admin\AppData\Local\Temp\_MEI32642/AG.bat

C:\Windows\system32\cmd.exe

—

AssemblyGuard_Sample.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

3188

C:\Users\admin\AppData\Local\Temp\_MEI32642\os\fixer\54e44458a01c1c5501cf0212a8291a03.exe

—

cmd.exe

User:

admin

Integrity Level:

MEDIUM

Description:

ConsoleApplication1

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\_mei32642\os\fixer\54e44458a01c1c5501cf0212a8291a03.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3264

"C:\Users\admin\AppData\Local\Temp\AssemblyGuard_Sample.exe"

C:\Users\admin\AppData\Local\Temp\AssemblyGuard_Sample.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\assemblyguard_sample.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\ws2_32.dll

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Total events

Read events

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

232

Text files

329

Unknown types

Dropped files

PID	Process	Filename		Type
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\VCRUNTIME140.dll		executable
		MD5:AE96651CFBD18991D186A029CBECB30C	SHA256:1B372F064EACB455A0351863706E6326CA31B08E779A70DE5DE986B5BE8069A1
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\api-ms-win-core-console-l1-1-0.dll		executable
		MD5:603DE76A964624EB2D54305963DE208D	SHA256:A014031A3CC334FCDDD44F0181E95B582E38286C8297CC55FB792F9F71D4D578
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\_ssl.pyd		executable
		MD5:E577403078DAF63CE6DDC07F195C45CE	SHA256:49559F96F659917C1C0E0D7CCB4FCF915BC1A00E51A5B25FE417262EF0F47774
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\_bz2.pyd		executable
		MD5:055CFC5297933C338D8C04FD4E2462A2	SHA256:BEFC81440BBC001BD7647ACA42962EE0B45B08435EE9F7140BF570AF636B7DD5
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\_ctypes.pyd		executable
		MD5:06C45D47AF92A68EA6DA0CC861992034	SHA256:B016E7CE9744A0E8FEA473F1982E5D2FC355A98682054F470F4189D5FC00B8BF
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\_socket.pyd		executable
		MD5:51A38A6BF4C7E3D71B21A88B7A1DD555	SHA256:B7829EC5C6DE17B30037E1B50F43E26B40FCD9ACDABCE0011D623F5C0CEBD70E
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\api-ms-win-core-interlocked-l1-1-0.dll		executable
		MD5:417D677D615AA4966D022A237F5723F0	SHA256:575458DF1AFE927A2E2A24FF61B1AAE042020E4284DAC514CB87B0751168A982
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\_lzma.pyd		executable
		MD5:D72665EA18965F103200CCC7AD072F85	SHA256:AB20E63D14259A7DECA85A068796476C0EFCC236A11D53B1816FC6F8956424A8
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\api-ms-win-core-debug-l1-1-0.dll		executable
		MD5:1861AFD8732E09D85181AD122EFBD1A2	SHA256:88F06D7B185F58D92606974BD09070DA2F0630CB2F9D9DF23718E8941E55F9D4
3264	AssemblyGuard_Sample.exe	C:\Users\admin\AppData\Local\Temp\_MEI32642\api-ms-win-core-datetime-l1-1-0.dll		executable
		MD5:FEFF66391DB788337C717B315A903D2B	SHA256:D65A2F73B0BC47C1D0973ECBF9F475F2C154715050E18102019F27F9FB0FDA8E

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	216.58.215.238:80	—	Google Inc.	US	whitelisted

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

AssemblyGuard_Sample.exe

94169ED08B3634D16A057E0AD0AEBC33

75144E73A2A6F60481921236D3D1E870C8B739DC

F3D192F9D49A3CE0FA68295E767B9D4DC3E8B0385717EBF4586E7FC0BDBD2A0C

196608:6cNQb4Ik+I8I4GA81G+Lhna9Z+upHzDECQ61BNtV1Ejzoq9WbN+:ib4Il5G1xnaLLpHzDEMdtDEQx

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

Application was dropped or rewritten from another process

SUSPICIOUS

Executable content was dropped or overwritten

Application launched itself

Loads Python modules

Starts CMD.EXE for commands execution

INFO

Dropped object may contain Bitcoin addresses

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings