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File name:

Iostream.exe

Full analysis: https://app.any.run/tasks/c18f8762-91df-45c9-b238-60319e0898aa
Verdict: Malicious activity
Analysis date: April 25, 2019, 13:43:17
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
MD5:

8A23F732481FA4D1AB3322B0AB6D1CD3

SHA1:

57431747E37DA8EB687F82B0FC32511FB83220AB

SHA256:

AEED751E77E3A58D908638BBAF2DF2E2D39F05103DA12F982D9400C67BD78583

SSDEEP:

24576:U+gLjOb5a6y887m6opvv/qOj4L741psF36yg8xYZ:vUyPy88mfP7j0zZ

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

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2456)
      • schtasks.exe (PID: 2268)

    • Uses Task Scheduler to run other applications

      • Iostream.exe (PID: 1080)
      • Iostream.exe (PID: 3520)

    • Runs app for hidden code execution

      • Iostream.exe (PID: 1080)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Iostream.exe (PID: 1080)
      • Iostream.exe (PID: 3520)

    • Uses ATTRIB.EXE to modify file attributes

      • Iostream.exe (PID: 1080)

  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 3388)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 3388)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:04:06 14:21:50+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 160768
InitializedDataSize: 678912
UninitializedDataSize: -
EntryPoint: 0x286000
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 06-Apr-2018 12:21:50
Detected languages:
  • English - United States

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: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 06-Apr-2018 12:21:50
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
0x00001000
0x000CC000
0x0005B800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.98822
.rsrc
0x000CD000
0x000001E0
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.49012
.idata
0x000CE000
0x00001000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.30872
0x000CF000
0x00103000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.260771
vpxwflbh
0x001D2000
0x000B4000
0x000B3C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.9233
dqbhgykr
0x00286000
0x00001000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.52206

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST

Imports

comctl32.dll
kernel32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
7
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start iostream.exe schtasks.exe no specs attrib.exe iostream.exe schtasks.exe no specs PhotoViewer.dll no specs winword.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1080"C:\Users\admin\AppData\Local\Temp\Iostream.exe" C:\Users\admin\AppData\Local\Temp\Iostream.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
2456schtasks /create /tn WindowsRecoveryCleaner /tr "C:\ProgramData\Iostream.exe" /st 00:00 /sc daily /du 9999:59 /ri 1 /fC:\Windows\system32\schtasks.exe—Iostream.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3668"C:\Windows\System32\attrib.exe"C:\Windows\System32\attrib.exe
Iostream.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Attribute Utility
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3520C:\ProgramData\Iostream.exe C:\ProgramData\Iostream.exe
taskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
9
2268schtasks /create /tn WindowsRecoveryCleaner /tr "C:\ProgramData\Iostream.exe" /st 00:00 /sc daily /du 9999:59 /ri 1 /fC:\Windows\system32\schtasks.exe—Iostream.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Manages scheduled tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
912C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3388"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\buswith.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Total events
738
Read events
680
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
0
Text files
2
Unknown types
4

Dropped files

PID
Process
Filename
Type
3388WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR116C.tmp.cvr —
MD5:—
SHA256:—
3388WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{485E50D0-BA79-4B03-B8BA-082F010035BB}.tmp —
MD5:—
SHA256:—
3388WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{32EB6166-9CDE-4BA0-9BD4-3224EB5FDF22}.tmp —
MD5:—
SHA256:—
3388WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:165B0A21BCF6E2512BD4B45B7AE0B7CF
SHA256:EE2149094A33510DAAC9C2E4D6ECC27A10F036D0F3ED87EC4223F6B4252EE957
3388WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\buswith.rtf.LNKlnk
MD5:F41DEB68C78F21CDE7EF353160A5B989
SHA256:466475F452BCBBFDD61B2D768BA7840EB56641CC243AD68DCA32DAC9CB6ADC4B
1080Iostream.exeC:\ProgramData\Iostream.exeexecutable
MD5:8A23F732481FA4D1AB3322B0AB6D1CD3
SHA256:AEED751E77E3A58D908638BBAF2DF2E2D39F05103DA12F982D9400C67BD78583
3388WINWORD.EXEC:\Users\admin\Desktop\~$uswith.rtfpgc
MD5:255BA01113666265198DFBCF0183169D
SHA256:B02DD38C8DD1388203A3F87DF8F2DB6A6A8B2439E3F9F893F277BE342A17A46D
3520Iostream.exeC:\ProgramData\Iostream.exeexecutable
MD5:8A23F732481FA4D1AB3322B0AB6D1CD3
SHA256:AEED751E77E3A58D908638BBAF2DF2E2D39F05103DA12F982D9400C67BD78583
3388WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dattext
MD5:7D820E15348D26F389F2DD3C9C33630A
SHA256:ECCA0AAA6E3BA1A72A3D56F810CDAD3CDC74B3DE5FA94927B94B97A2D37B94B2
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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

PID
Process
IP
Domain
ASN
CN
Reputation
3668
attrib.exe
78.155.199.111:3333
—
HLL LLC
RU
unknown

DNS requests

No data

Threats

No threats detected
Process
Message
Iostream.exe
%s------------------------------------------------ --- Themida Professional --- --- (c)2012 Oreans Technologies --- ------------------------------------------------
Iostream.exe
%s------------------------------------------------ --- Themida Professional --- --- (c)2012 Oreans Technologies --- ------------------------------------------------
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Reports
Iostream.exe