File name:

AppSync.exe

Full analysis: https://app.any.run/tasks/9f34e0fa-95f2-459e-9d32-b23558845a9f
Verdict: Malicious activity
Analysis date: April 25, 2019, 06:06:13
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

7AC9CE6A69F0448EC8BD0EBBFF3FBB09

SHA1:

7EB2161D66D1BD1BB105FB6089D4C3622493D93B

SHA256:

E87B23079EFF1CA296159506531EA8B02F18EFC347FC7DEA68C6ACFDD30E3BF8

SSDEEP:

49152:1MNmOHmulr6r4YN8yIZSLZXyrXRlVL9wLLNDyy67VTvdfKSD:1WmOH3lr6UYyRlx3

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

      • explorer.exe (PID: 252)

    • Application was dropped or rewritten from another process

      • AppMaster.exe (PID: 4072)

  • SUSPICIOUS

    • Changes IE settings (feature browser emulation)

      • AppSync.exe (PID: 2004)
      • AppSync.exe (PID: 3092)
      • AppMaster.exe (PID: 4072)

    • Creates files in the user directory

      • AppSync.exe (PID: 3092)

    • Reads Internet Cache Settings

      • explorer.exe (PID: 252)

    • Executable content was dropped or overwritten

      • AppSync.exe (PID: 3092)
      • AppSync.exe (PID: 2004)

    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 252)

    • Starts Internet Explorer

      • rundll32.exe (PID: 2280)

  • INFO

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 1692)
      • iexplore.exe (PID: 3964)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1692)

    • Changes internet zones settings

      • iexplore.exe (PID: 1692)

    • Creates files in the user directory

      • iexplore.exe (PID: 3964)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3964)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 1692)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1692)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:10:08 15:58:03+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 3758592
InitializedDataSize: 373248
UninitializedDataSize: -
EntryPoint: 0x39792e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 18.0.3.0
ProductVersionNumber: 18.0.3.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: AppSync
FileVersion: 18.0.3.0
InternalName: AppSync.exe
LegalCopyright: Copyright © 2017
LegalTrademarks: -
OriginalFileName: AppSync.exe
ProductName: AppSync
ProductVersion: 18.0.3.0
AssemblyVersion: 18.0.3.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 08-Oct-2018 13:58:03
Debug artifacts:
  • C:\Program Files (x86)\Jenkins\workspace\InstallPC-Pipeline\InstallPC1\InstallPC1\bin\Release\merged\AppSync.pdb

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 08-Oct-2018 13:58:03
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x003959E9
0x00395A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.92174
.rsrc
0x00398000
0x0005AE38
0x0005B000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.47052
.reloc
0x003F4000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0980042

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25872
888
UNKNOWN
UNKNOWN
RT_MANIFEST
2
6.58775
67624
UNKNOWN
UNKNOWN
RT_ICON
3
6.72077
16936
UNKNOWN
UNKNOWN
RT_ICON
4
6.7467
9640
UNKNOWN
UNKNOWN
RT_ICON
5
6.84873
4264
UNKNOWN
UNKNOWN
RT_ICON
6
6.72054
1128
UNKNOWN
UNKNOWN
RT_ICON
32512
2.76511
90
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
8
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start appsync.exe explorer.exe no specs appsync.exe appmaster.exe no specs rundll32.exe no specs iexplore.exe iexplore.exe explorer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
252C:\Windows\Explorer.EXEC:\Windows\explorer.exe——
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\winanr.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.exe
c:\windows\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
1692"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.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
2004"C:\Users\admin\AppData\Local\Temp\AppSync.exe" C:\Users\admin\AppData\Local\Temp\AppSync.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
AppSync
Exit code:
0
Version:
18.0.3.0
Modules
Images
c:\users\admin\appdata\local\temp\appsync.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
2280"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exe.configC:\Windows\system32\rundll32.exe—explorer.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
3092"C:\Users\admin\AppData\Local\Temp\AppSync.exe" C:\Users\admin\AppData\Local\Temp\AppSync.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
AppSync
Exit code:
0
Version:
18.0.3.0
Modules
Images
c:\users\admin\appdata\local\temp\appsync.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
3340"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll
3964"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1692 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.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
4072"C:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exe" C:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
AppMaster
Exit code:
0
Version:
11.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\appsync\tounzip\appmaster.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
Total events
2 242
Read events
1 651
Write events
586
Delete events
5

Modification events

(PID) Process:(3092) AppSync.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
Operation:writeName:AppSync.exe
Value:
8000
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION
Operation:writeName:AppSync.exe
Value:
1
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS
Operation:writeName:AppSync.exe
Value:
1
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING
Operation:writeName:AppSync.exe
Value:
1
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_DOCUMENT_ZOOM
Operation:writeName:AppSync.exe
Value:
1
(PID) Process:(3092) AppSync.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE
Operation:writeName:AppSync.exe
Value:
0
(PID) Process:(252) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:P:\Hfref\nqzva\NccQngn\Ybpny\Grzc\NccFlap.rkr
Value:
000000000000000000000000421C0000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF000000000000000000000000
(PID) Process:(252) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:HRZR_PGYFRFFVBA
Value:
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
(PID) Process:(252) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:{S38OS404-1Q43-42S2-9305-67QR0O28SP23}\rkcybere.rkr
Value:
00000000010000000000000000000000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF60C8C21A2DFBD40100000000
Executable files
16
Suspicious files
3
Text files
83
Unknown types
6

Dropped files

PID
Process
Filename
Type
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\reveal.dllexecutable
MD5:—
SHA256:—
3092AppSync.exeC:\Users\admin\AppData\Local\Temp\reveal.dllexecutable
MD5:—
SHA256:—
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exe.configxml
MD5:—
SHA256:—
1692iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico —
MD5:—
SHA256:—
2004AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exeexecutable
MD5:—
SHA256:—
1692iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\handleFS.dllexecutable
MD5:—
SHA256:—
3092AppSync.exeC:\Users\admin\AppData\Local\Temp\handleFS.dllexecutable
MD5:—
SHA256:—
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exeexecutable
MD5:—
SHA256:—
3964iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\admin@bing[2].txt —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
10
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3964
iexplore.exe
GET
301
2.16.186.24:80
http://shell.windows.com/fileassoc/fileassoc.asp?Ext=config
unknown
—
—
whitelisted
3964
iexplore.exe
GET
302
23.38.36.63:80
http://go.microsoft.com/fwlink/?LinkId=57426&Ext=config
NL
—
—
whitelisted
1692
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3964
iexplore.exe
23.38.36.63:80
go.microsoft.com
Akamai Technologies, Inc.
NL
whitelisted
1692
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3964
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
1692
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
3964
iexplore.exe
2.16.186.24:80
shell.windows.com
Akamai International B.V.
—
whitelisted
3964
iexplore.exe
157.55.135.130:443
login.live.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
go.microsoft.com
  • 23.38.36.63
whitelisted
shell.windows.com
  • 2.16.186.24
  • 2.16.186.27
whitelisted
login.live.com
  • 157.55.135.130
  • 157.55.135.134
  • 157.55.134.140
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
AppSync.exe