File name:

update.exe

Full analysis: https://app.any.run/tasks/724fc706-d6e2-418a-ab4c-316d7b3e835f
Verdict: Malicious activity
Analysis date: January 30, 2020, 06:39:06
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows
MD5:

3D1CC4EF33BAD0E39C757FCE317EF82A

SHA1:

F34E4B7080AA2EE5CFEE2DAC38EC0C306203B4AC

SHA256:

E5262DB186C97BBE533F0A674B08ECDAFA3798EA7BC17C705DF526419C168B60

SSDEEP:

49152:QAdGB73ejP3+EMfRdASVaAvrC5Xh602+:QAgR3epMjASHch

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

    No malicious indicators.
  • SUSPICIOUS

    • Executed as Windows Service

      • vssvc.exe (PID: 3220)
    • Writes to a desktop.ini file (may be used to cloak folders)

      • update.exe (PID: 3016)
  • 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 (generic) (52.7)
.exe | Generic Win/DOS Executable (23.4)
.exe | DOS Executable Generic (23.4)
.vxd | VXD Driver (0.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 0000:00:00 00:00:00
PEType: PE32
LinkerVersion: 3
CodeSize: 3627008
InitializedDataSize: 89088
UninitializedDataSize: -
EntryPoint: 0x48e70
OSVersion: 4
ImageVersion: 1
SubsystemVersion: 4
Subsystem: Windows command line

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 01-Jan-1970 00:00:00

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0004
Size of header: 0x0000
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x008B
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: 4
Time date stamp: 01-Jan-1970 00:00:00
Pointer to Symbol Table: 0x0038BC00
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DEBUG_STRIPPED
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00375708
0x00375800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.75708
.data
0x00377000
0x0002A688
0x00015C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.48209
.idata
0x003A2000
0x00000372
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.30838
.symtab
0x003A3000
0x00000004
0x00000200
IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0203931

Imports

kernel32.dll
winmm.dll
ws2_32.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
3
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start update.exe vssvc.exe no specs update.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
348"C:\Users\admin\AppData\Local\Temp\update.exe" C:\Users\admin\AppData\Local\Temp\update.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\update.exe
c:\systemroot\system32\ntdll.dll
3016"C:\Users\admin\AppData\Local\Temp\update.exe" C:\Users\admin\AppData\Local\Temp\update.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\update.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winmm.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3220C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.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
14
Read events
14
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
389
Text files
3
Unknown types
11

Dropped files

PID
Process
Filename
Type
3016update.exeC:\autoexec.batbinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccessMUI.xmlbinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\branding.xmlbinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccessMUI.msibinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccessMUI.msibinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccessMUI.msibinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\Setup.xmlbinary
MD5:
SHA256:
3016update.exeC:\MSOCache\All Users\{90140000-0015-0411-0000-0000000FF1CE}-C\AccessMUI.xmlbinary
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info