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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

    • Application was dropped or rewritten from another process

      • AppMaster.exe (PID: 4072)
    • Loads dropped or rewritten executable

      • explorer.exe (PID: 252)
  • SUSPICIOUS

    • Creates files in the user directory

      • AppSync.exe (PID: 3092)
    • Changes IE settings (feature browser emulation)

      • AppSync.exe (PID: 3092)
      • AppSync.exe (PID: 2004)
      • AppMaster.exe (PID: 4072)
    • Executable content was dropped or overwritten

      • AppSync.exe (PID: 2004)
      • AppSync.exe (PID: 3092)
    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 252)
    • Starts Internet Explorer

      • rundll32.exe (PID: 2280)
    • Reads Internet Cache Settings

      • explorer.exe (PID: 252)
  • INFO

    • Reads internet explorer settings

      • iexplore.exe (PID: 3964)
    • Reads settings of System Certificates

      • iexplore.exe (PID: 1692)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 1692)
      • iexplore.exe (PID: 3964)
    • Changes internet zones settings

      • iexplore.exe (PID: 1692)
    • Creates files in the user directory

      • iexplore.exe (PID: 3964)
    • Changes settings of System certificates

      • iexplore.exe (PID: 1692)
    • Adds / modifies Windows 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

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

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
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
Version:
18.0.3.0
3340"C:\Windows\explorer.exe" C:\Windows\explorer.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
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
Version:
18.0.3.0
4072"C:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exe" C:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
AppMaster
Version:
11.0.0.0
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.exeexplorer.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)
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)
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)
252C:\Windows\Explorer.EXEC:\Windows\explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
2 242
Read events
1 651
Write events
0
Delete events
0

Modification events

No data
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\ToUnzip\AppMaster.exe.configxml
MD5:CBDC705A53039CACBB0C75AEA4E4148A
SHA256:3584DAE4EF21C5D26D3D87C6891884C5FD498CA4626545569D46450838BA5C6A
3092AppSync.exeC:\Users\admin\AppData\Local\Temp\All.logtext
MD5:A04102BA56D9A90FDE49BA2602ACED2F
SHA256:872400C0E0438AEEE5BE975854ED8A4F336213B5C48F1164ADB8E83466C4DDFD
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\reveal.dllexecutable
MD5:E2AFC24E67428D3D6086B0CE05D282B3
SHA256:54679585BBD1F948EF23919769C2B6812F49481D1D507DCE163DAB873415927A
3092AppSync.exeC:\Users\admin\AppData\Local\Temp\reveal.dllexecutable
MD5:E2AFC24E67428D3D6086B0CE05D282B3
SHA256:54679585BBD1F948EF23919769C2B6812F49481D1D507DCE163DAB873415927A
3092AppSync.exeC:\Users\admin\AppData\Local\Temp\handleFS.dllexecutable
MD5:D2A8C8A0979CBCFE461A75FA0BA18C97
SHA256:529DA0B1B2030F362D49276801BECD3B175BD5FBAC4F5937F197AE051CCEE709
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\ToUnzip\AppMaster.exeexecutable
MD5:F920A0989CEA49E38AFEF91AA1F87611
SHA256:68469D7E1A741BB9C5255A094C0CF83707CC84CB4DC9BCEF8A1EDA7EAB5238FB
2004AppSync.exeC:\Users\admin\AppData\Local\Temp\All.logtext
MD5:5D4DD145BE0C0E84788E1872DD841154
SHA256:B064FDB548432646F10BB67746956DA78132A117745C86E45DFD9766C65B00C5
3092AppSync.exeC:\Users\admin\AppData\Roaming\AppSync\handleFS.dllexecutable
MD5:D2A8C8A0979CBCFE461A75FA0BA18C97
SHA256:529DA0B1B2030F362D49276801BECD3B175BD5FBAC4F5937F197AE051CCEE709
1692iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico
MD5:
SHA256:
1692iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
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
2.16.186.24:80
shell.windows.com
Akamai International B.V.
whitelisted
1692
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
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
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