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File name:

C:\Users\admin\AppData\Roaming\MSUpdate\ImportantUpdate.exe

Full analysis: https://app.any.run/tasks/fd537698-409a-4d55-a741-bac270a3aad8
Verdict: Malicious activity
Analysis date: May 20, 2022, 17:43:25
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

651F0F2B99D6F9D8A474D042F141B2ED

SHA1:

A82E341F42C7E291AE85ED99843BA567AC35011E

SHA256:

C4C83313F96E8D8C50F02249289DE652A2F757BD3012153DD26086463187C194

SSDEEP:

6144:rCOpa+yknfqWqKnx4EUOarCyvQeFDhiX2Yx:vpa+XHqKZ79yzFDM9

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 injected by another process

      • csrss.exe (PID: 388)
      • wininit.exe (PID: 380)
      • smss.exe (PID: 260)
      • csrss.exe (PID: 344)

    • Runs injected code in another process

      • ImportantUpdate.exe (PID: 2480)

  • SUSPICIOUS

    • Checks supported languages

      • ImportantUpdate.exe (PID: 2480)

    • Reads the computer name

      • ImportantUpdate.exe (PID: 2480)

    • Starts Internet Explorer

      • ImportantUpdate.exe (PID: 2480)

  • INFO

    • Checks supported languages

      • iexplore.exe (PID: 2780)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (42.1)
.exe | Win32 EXE Yoda's Crypter (41.3)
.exe | Win32 Executable (generic) (7)
.exe | Win16/32 Executable Delphi generic (3.2)
.exe | Generic Win/DOS Executable (3.1)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x4a5f0
UninitializedDataSize: 139264
InitializedDataSize: 77824
CodeSize: 163840
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 1992:06:20 00:22:17+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 19-Jun-1992 22:22:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • 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
UPX0
0x00001000
0x00022000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00023000
0x00028000
0x00027800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.81034
.rsrc
0x0004B000
0x00013000
0x00012800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.61196

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.58582
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
50
7.59119
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
51
7.66291
2440
Latin 1 / Western European
UNKNOWN
RT_ICON
52
7.72789
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
53
7.81658
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
54
7.69107
56368
Latin 1 / Western European
UNKNOWN
RT_ICON
55
6.19042
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
56
6.0626
2440
Latin 1 / Western European
UNKNOWN
RT_ICON
57
5.92014
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
58
5.47513
9640
Latin 1 / Western European
UNKNOWN
RT_ICON

Imports

KERNEL32.DLL
advapi32.dll
oleaut32.dll
user32.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
7
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
inject inject inject inject start importantupdate.exe no specs importantupdate.exe iexplore.exe no specs smss.exe csrss.exe wininit.exe csrss.exe

Process information

PID
CMD
Path
Indicators
Parent process
1000"C:\Users\admin\AppData\Local\Temp\ImportantUpdate.exe" C:\Users\admin\AppData\Local\Temp\ImportantUpdate.exe—Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
2480"C:\Users\admin\AppData\Local\Temp\ImportantUpdate.exe" C:\Users\admin\AppData\Local\Temp\ImportantUpdate.exe
Explorer.EXE
User:
admin
Integrity Level:
HIGH
2780"C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe—ImportantUpdate.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Internet Explorer
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
260\SystemRoot\System32\smss.exe\SystemRoot\System32\smss.exe
System
User:
SYSTEM
Integrity Level:
SYSTEM
344%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,12288,512 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16C:\Windows\system32\csrss.exe
—
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Client Server Runtime Process
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
380wininit.exeC:\Windows\system32\wininit.exe
—
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Start-Up Application
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
388%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,12288,512 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16C:\Windows\system32\csrss.exe
—
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Client Server Runtime Process
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
189
Read events
187
Write events
2
Delete events
0

Modification events

(PID) Process:(2480) ImportantUpdate.exeKey:HKEY_CURRENT_USER\Software\CovidUpdater
Operation:writeName:FileNameAtual
Value:
C:\Users\admin\AppData\Local\Temp\ImportantUpdate.exe
(PID) Process:(2780) iexplore.exeKey:HKEY_CURRENT_USER\Software\CovidUpdater
Operation:writeName:FirstExecution
Value:
05/20/2022
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
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
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Reports
C:\Users\admin\AppData\Roaming\MSUpdate\ImportantUpdate.exe