File name:

4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe

Full analysis: https://app.any.run/tasks/f5138d4f-a814-490a-8ca6-acba8d5e0d05
Verdict: Malicious activity
Analysis date: August 08, 2020, 08:41:18
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: MS-DOS executable, MZ for MS-DOS
MD5:

21A56B3A8D8E2E709371AB5FC2F8C106

SHA1:

E5F70A8270F870CD50C2AF1A794082D8FE0D8328

SHA256:

4AC0B9C377B98A907FC9DF5D9DF57BD048CA1771CBBC55984948DCEC3A56AAA0

SSDEEP:

384:5vcTzwQHKred+TmsRYf+/hVjvkaFIiLce+7+ZXOxUnHyeTRdqDMEKq9jrp2gP9L:5vkGred+emPairVHHycQDMwjtPp

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

    • Writes to a start menu file

      • systemupdate.exe (PID: 2856)

    • Changes the autorun value in the registry

      • systemupdate.exe (PID: 2856)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe (PID: 2308)
      • systemupdate.exe (PID: 2856)

    • Starts itself from another location

      • 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe (PID: 2308)

    • Creates files in the user directory

      • systemupdate.exe (PID: 2856)

  • INFO

    • Manual execution by user

      • taskmgr.exe (PID: 2108)
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) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2010:12:09 19:58:19+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 4096
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0x2e5e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 09-Dec-2010 18:58:19

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0040
Pages in file: 0x0001
Relocations: 0x0000
Size of header: 0x0002
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: 0xB400
OEM information: 0xCD09
Address of NE header: 0x00000040

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 09-Dec-2010 18:58:19
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
0x00000E64
0x00001000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.25079
.rsrc
0x00004000
0x00000400
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.51607
.reloc
0x00006000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.51883

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe taskmgr.exe no specs systemupdate.exe

Process information

PID
CMD
Path
Indicators
Parent process
2108"C:\Windows\system32\taskmgr.exe" /4C:\Windows\system32\taskmgr.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Task Manager
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskmgr.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
2308"C:\Users\admin\AppData\Local\Temp\4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe" C:\Users\admin\AppData\Local\Temp\4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.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
2856"C:\Users\admin\AppData\Local\Temp\systemupdate.exe" C:\Users\admin\AppData\Local\Temp\systemupdate.exe
4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\systemupdate.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
458
Read events
405
Write events
53
Delete events
0

Modification events

(PID) Process:(2308) 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2308) 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2308) 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2856) systemupdate.exeKey:HKEY_CURRENT_USER
Operation:writeName:di
Value:
!
(PID) Process:(2856) systemupdate.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:SEE_MASK_NOZONECHECKS
Value:
1
(PID) Process:(2856) systemupdate.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows Update
Value:
"C:\Users\admin\AppData\Local\Temp\systemupdate.exe" ..
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
23084ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exeC:\Users\admin\AppData\Local\Temp\systemupdate.exeexecutable
MD5:—
SHA256:—
2856systemupdate.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update.exeexecutable
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
1
Threats
1

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

Domain
IP
Reputation
aras008-48301.portmap.io
  • —
malicious

Threats

PID
Process
Class
Message
1048
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a Reverse Proxy Service Observed
No debug info
Interactive malware hunting service ANY.RUN
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Reports
4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe