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File name:

pdfestadodecuentadian.exe

Full analysis: https://app.any.run/tasks/27b9eb04-5394-40bb-ad07-419f6f869f24
Verdict: Malicious activity
Analysis date: January 17, 2020, 20:50:10
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:

D5CA817F14D33E91DC96E99058A3EF9E

SHA1:

A4B076DEBBAA345F3008DD8C0D8ECC8C4EFF27FD

SHA256:

6FE914E9B20EA3F965BBC5CF4D66177E3E103690424B8AE0448B55A32907E137

SSDEEP:

12288:VViDoPC/2pwpKhfIesPmFAFaiL3p08Pg+:56/2pCMIesXaMTPB

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

    • Changes the autorun value in the registry

      • pdfestadodecuentadian.exe (PID: 3724)
      • spoolktj.exe (PID: 2068)
      • spoolktj.exe (PID: 3720)

    • Loads the Task Scheduler COM API

      • pdfestadodecuentadian.exe (PID: 3724)
      • spoolktj.exe (PID: 2068)
      • spoolktj.exe (PID: 3720)

  • SUSPICIOUS

    • Application launched itself

      • pdfestadodecuentadian.exe (PID: 2876)
      • spoolktj.exe (PID: 2892)
      • spoolktj.exe (PID: 2704)
      • spoolktj.exe (PID: 3056)

    • Executable content was dropped or overwritten

      • pdfestadodecuentadian.exe (PID: 3724)

    • Creates files in the user directory

      • pdfestadodecuentadian.exe (PID: 3724)
      • spoolktj.exe (PID: 2068)

    • Reads internet explorer settings

      • pdfestadodecuentadian.exe (PID: 3724)
      • spoolktj.exe (PID: 2068)
      • spoolktj.exe (PID: 3720)

    • Executed via Task Scheduler

      • spoolktj.exe (PID: 2892)
      • spoolktj.exe (PID: 2704)
      • spoolktj.exe (PID: 3056)
      • spoolktj.exe (PID: 2760)

  • INFO

    • Manual execution by user

      • explorer.exe (PID: 3788)
      • taskmgr.exe (PID: 960)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:01:17 15:02:21+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 494080
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x7a8ce
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.3.2.0
ProductVersionNumber: 0.3.2.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: Microsoft
FileDescription: ServicesCore
FileVersion: 0.3.2.0
InternalName: ServicesCore.exe
LegalCopyright: Copyright © 2019 - 2020
LegalTrademarks: -
OriginalFileName: ServicesCore.exe
ProductName: ServicesCore
ProductVersion: 0.3.2.0
AssemblyVersion: 0.3.2.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Jan-2020 14:02:21
Comments: -
CompanyName: Microsoft
FileDescription: ServicesCore
FileVersion: 0.3.2.0
InternalName: ServicesCore.exe
LegalCopyright: Copyright © 2019 - 2020
LegalTrademarks: -
OriginalFilename: ServicesCore.exe
ProductName: ServicesCore
ProductVersion: 0.3.2.0
Assembly Version: 0.3.2.0

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: 17-Jan-2020 14:02:21
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
0x000788D4
0x00078A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.93293
.rsrc
0x0007C000
0x00000600
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.18996
.reloc
0x0007E000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

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

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
11
Malicious processes
5
Suspicious processes
1

Behavior graph

Click at the process to see the details
start pdfestadodecuentadian.exe no specs explorer.exe no specs pdfestadodecuentadian.exe spoolktj.exe no specs spoolktj.exe no specs spoolktj.exe no specs spoolktj.exe spoolktj.exe no specs taskmgr.exe no specs spoolktj.exe spoolktj.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2876"C:\Users\admin\AppData\Local\Temp\pdfestadodecuentadian.exe" C:\Users\admin\AppData\Local\Temp\pdfestadodecuentadian.exe—explorer.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
3788"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3724"C:\Users\admin\AppData\Local\Temp\pdfestadodecuentadian.exe"C:\Users\admin\AppData\Local\Temp\pdfestadodecuentadian.exe
pdfestadodecuentadian.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
2892C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe—taskeng.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
3972"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe—spoolktj.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
3221225496
Version:
0.3.2.0
2704C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe—taskeng.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
2068"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe
spoolktj.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Version:
0.3.2.0
3056C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe—taskeng.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
960"C:\Windows\system32\taskmgr.exe" /4C:\Windows\system32\taskmgr.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Task Manager
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3720"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe"C:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exe
spoolktj.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
ServicesCore
Exit code:
0
Version:
0.3.2.0
Total events
393
Read events
308
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
3
Text files
6
Unknown types
0

Dropped files

PID
Process
Filename
Type
3724pdfestadodecuentadian.exeC:\Users\admin\AppData\Local\Temp\~DF63E0B13F4086EAAB.TMP —
MD5:—
SHA256:—
3720spoolktj.exeC:\Users\admin\AppData\Local\Temp\~DFFB63CBA2CB86A294.TMP —
MD5:—
SHA256:—
3724pdfestadodecuentadian.exeC:\Users\admin\AppData\Roaming\LocalAdmin\spoolktj.exeexecutable
MD5:D5CA817F14D33E91DC96E99058A3EF9E
SHA256:6FE914E9B20EA3F965BBC5CF4D66177E3E103690424B8AE0448B55A32907E137
3720spoolktj.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\L0Cx3dQX[1].txtbinary
MD5:B8DB2836AE8060CB6AC6A6231399961C
SHA256:1BB8B284A09D5F58A7A5E0549E66CB7185E9CC6055B056D3A680FC84EFF1FAF0
2068spoolktj.exeC:\Users\admin\AppData\Roaming\LocalAdmin\Conf.initext
MD5:156A14ACD5674F39BF270B8372401399
SHA256:C40E0FB7D8FAF525ADF24BB35288F76EA5973B0255412E39611CF631B25371F6
3724pdfestadodecuentadian.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\admin@pastebin[1].txttext
MD5:48842FA7E029E9E9D5A1252859B5CB8A
SHA256:3963C6DFE6E904B0B39ECE8564CE9FF5A4E22E42EB417BA4E50D2AD1A6C9E88F
2068spoolktj.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\L0Cx3dQX[1].txtbinary
MD5:B8DB2836AE8060CB6AC6A6231399961C
SHA256:1BB8B284A09D5F58A7A5E0549E66CB7185E9CC6055B056D3A680FC84EFF1FAF0
3724pdfestadodecuentadian.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\L0Cx3dQX[1].txtbinary
MD5:B8DB2836AE8060CB6AC6A6231399961C
SHA256:1BB8B284A09D5F58A7A5E0549E66CB7185E9CC6055B056D3A680FC84EFF1FAF0
3720spoolktj.exeC:\Users\admin\AppData\Roaming\LocalAdmin\Conf.initext
MD5:E9D2B62C3A7502B62F3D78E8436DBB3B
SHA256:8CCECE6B09A68EFE234EFFECD3107C4DAFB47A57A4BBED38019D43D17CB9E85A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
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
2068
spoolktj.exe
128.90.105.46:9091
ledis.linkpc.net
Powerhouse Management, Inc.
PA
unknown
3724
pdfestadodecuentadian.exe
104.20.67.143:443
pastebin.com
Cloudflare Inc
US
malicious
2068
spoolktj.exe
104.20.67.143:443
pastebin.com
Cloudflare Inc
US
malicious
3720
spoolktj.exe
104.20.67.143:443
pastebin.com
Cloudflare Inc
US
malicious

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.67.143
  • 104.20.68.143
shared
ledis.linkpc.net
  • 128.90.105.46
malicious

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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Reports
pdfestadodecuentadian.exe