File name:

Steam.exe

Full analysis: https://app.any.run/tasks/12532f5d-8c64-45f6-828f-1310322ec932
Verdict: Suspicious activity
Analysis date: February 28, 2019, 23:52:04
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
MD5:

3EBE29CDF03D869BEAFF9C37B432F5C2

SHA1:

0BB5EB4284A26D84AE7178BEF1BFC6F493F1C76C

SHA256:

CF55CAC04B345000E02998DCFF4240433700D0D62897E1A62B3A55BBF1313256

SSDEEP:

49152:EnlWWQqa5y5o77nDcV18Zeg/qwRL77NzFp6V/IWVvsxh3u4gatssbSkPbZdXKx0w:ElWWQqaU5onDG882L7tF8VgUvX4g9s/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

    • Loads dropped or rewritten executable

      • steamwebhelper.exe (PID: 2356)
      • Steam.exe (PID: 2756)
      • steamwebhelper.exe (PID: 2164)
      • steamwebhelper.exe (PID: 4064)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Steam.exe (PID: 3112)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • Steam.exe (PID: 3112)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Generic Win/DOS Executable (50)
.exe | DOS Executable Generic (49.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:11:26 21:18:13+01:00
PEType: PE32
LinkerVersion: 14.14
CodeSize: 2063872
InitializedDataSize: 1059840
UninitializedDataSize: -
EntryPoint: 0xe235c
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 4.83.53.91
ProductVersionNumber: 1.0.0.1
FileFlagsMask: 0x0017
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
LegalCopyright: Copyright (C) 2010 Valve Corporation
InternalName: steamcmd (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
FileVersion: 04.83.53.91
CompanyName: Valve Corporation
ProductVersion: 01.00.00.01
FileDescription: Steam Client Bootstrapper
SourceControlID: 4835391
OriginalFileName: steam.exe
ProductName: Steam Client Bootstrapper

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Nov-2018 20:18:13
Detected languages:
  • English - United States
Debug artifacts:
  • c:\buildslave\steam_rel_client_win32\build\src\steamexe\Release\steamexe.pdb
CompanyName: Valve Corporation
FileDescription: Steam Client Bootstrapper
FileVersion: 1, 0, 0, 1
InternalName: steamcmd
LegalCopyright: Copyright (C) 2010 Valve Corporation
OriginalFilename: steam.exe
ProductName: Steam Client Bootstrapper
ProductVersion: 1, 0, 0, 1

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: 0x00000158

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 26-Nov-2018 20:18:13
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_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x001F7D4C
0x001F7E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67752
.rdata
0x001F9000
0x0009FB72
0x0009FC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.09358
.data
0x00299000
0x00073234
0x00013000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.26925
.rsrc
0x0030D000
0x00036C3C
0x00036E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.46071
.reloc
0x00344000
0x0001911C
0x00019200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.63947

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.16897
2179
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.3778
296
Latin 1 / Western European
English - United States
RT_ICON
3
5.55504
3752
Latin 1 / Western European
English - United States
RT_ICON
4
6.13765
2216
Latin 1 / Western European
English - United States
RT_ICON
5
5.5102
1384
Latin 1 / Western European
English - United States
RT_ICON
6
7.98337
18630
Latin 1 / Western European
English - United States
RT_ICON
7
5.01546
16936
Latin 1 / Western European
English - United States
RT_ICON
8
5.14938
9640
Latin 1 / Western European
English - United States
RT_ICON
9
5.29577
6760
Latin 1 / Western European
English - United States
RT_ICON
10
5.00572
4264
Latin 1 / Western European
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
CRYPT32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
USER32.dll
VERSION.dll

Exports

Title
Ordinal
Address
CanSetClientBeta
1
0x00025D10
ClientUpdateRunFrame
2
0x00025D30
CreateInterface
3
0x00042C50
ForceUpdateNextRestart
4
0x00025D40
GetBootstrapperVersion
5
0x00025DB0
GetClientLauncherType
6
0x00025DC0
GetClientUpdateBytesDownloaded
7
0x00025DD0
GetClientUpdateBytesToDownload
8
0x00025DF0
GetCurrentClientBeta
9
0x00025E10
IsCheckingForUpdates
10
0x00025E40
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
5
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start steam.exe steam.exe steamwebhelper.exe steamwebhelper.exe no specs steamwebhelper.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2164C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe --type=crashpad-handler /prefetch:7 --max-uploads=5 --max-db-size=20 --max-db-age=5 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\admin\AppData\Local\Temp\dumps "--metrics-dir=C:\Users\admin\AppData\Local\CEF\User Data" --url=http://crash.steampowered.com/submit --annotation=platform=win32 --annotation=product=cefwebhelper --annotation=version=1550534751 --initial-client-data=0x168,0x16c,0x170,0x164,0x174,0x6b7fd758,0x6b7fd768,0x6b7fd774C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe—steamwebhelper.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
MEDIUM
Description:
Steam Client WebHelper
Exit code:
0
Version:
04.95.20.30
Modules
Images
c:\users\admin\appdata\local\temp\bin\cef\cef.win7\steamwebhelper.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
2356C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe "-lang=en_US" "-cachedir=C:\Users\admin\AppData\Local\Steam\htmlcache" "-steampid=2756" "-buildid=1550534751" "-steamid=0" "-steamuniverse=Dev" "-clientui=C:\Users\admin\AppData\Local\Temp\clientui" --disable-out-of-process-pac --enable-blink-features=ResizeObserver,Worklet,AudioWorklet --disable-features=TouchpadAndWheelScrollLatching,AsyncWheelEvents --enable-media-stream --disable-smooth-scrolling --num-raster-threads=4 --enable-direct-write --disablehighdpi --force-device-scale-factor=1 --device-scale-factor=1 "--log-file=C:\Users\admin\AppData\Local\Temp\logs\cef_log.txt"C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe
Steam.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
MEDIUM
Description:
Steam Client WebHelper
Exit code:
0
Version:
04.95.20.30
Modules
Images
c:\users\admin\appdata\local\temp\bin\cef\cef.win7\steamwebhelper.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
2756C:\Users\admin\AppData\Local\Temp\Steam.exeC:\Users\admin\AppData\Local\Temp\Steam.exe
Steam.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
MEDIUM
Description:
Steam Client Bootstrapper
Exit code:
0
Version:
04.95.20.30
Modules
Images
c:\users\admin\appdata\local\temp\steam.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3112"C:\Users\admin\AppData\Local\Temp\Steam.exe" C:\Users\admin\AppData\Local\Temp\Steam.exe
explorer.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
MEDIUM
Description:
Steam Client Bootstrapper
Exit code:
42
Version:
04.83.53.91
Modules
Images
c:\users\admin\appdata\local\temp\steam.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
4064"C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe" --type=gpu-process --disable-features=AsyncWheelEvents,TouchpadAndWheelScrollLatching --log-file="C:\Users\admin\AppData\Local\Temp\logs\cef_log.txt" --product-version="Valve Steam Client" --webview-urls=http://localhost/*,http://steamloopback.host/*,https://steamloopback.host/*,https://localhost/* --lang=en-US --force-device-scale-factor=1 --disablehighdpi --buildid=1550534751 --steamid=0 --gpu-preferences=KAAAAAAAAACAAwBAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --log-file="C:\Users\admin\AppData\Local\Temp\logs\cef_log.txt" --product-version="Valve Steam Client" --webview-urls=http://localhost/*,http://steamloopback.host/*,https://steamloopback.host/*,https://localhost/* --lang=en-US --force-device-scale-factor=1 --disablehighdpi --buildid=1550534751 --steamid=0 --service-request-channel-token=A76425CD58B68834E2D939B10A99EBBA --mojo-platform-channel-handle=880 --ignored=" --type=renderer " /prefetch:2C:\Users\admin\AppData\Local\Temp\bin\cef\cef.win7\steamwebhelper.exe—steamwebhelper.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
LOW
Description:
Steam Client WebHelper
Exit code:
0
Version:
04.95.20.30
Modules
Images
c:\users\admin\appdata\local\temp\bin\cef\cef.win7\steamwebhelper.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
Total events
36
Read events
21
Write events
15
Delete events
0

Modification events

(PID) Process:(3112) Steam.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam
Operation:writeName:SteamPID
Value:
3112
(PID) Process:(3112) Steam.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam
Operation:writeName:TempAppCmdLine
Value:
(PID) Process:(2756) Steam.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam
Operation:writeName:SteamPID
Value:
2756
(PID) Process:(2756) Steam.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam
Operation:writeName:TempAppCmdLine
Value:
(PID) Process:(3112) Steam.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Valve\Steam
Operation:writeName:SteamPID
Value:
0
(PID) Process:(2756) Steam.exeKey:HKEY_CURRENT_USER\Software\Valve\Steam\ActiveProcess
Operation:writeName:pid
Value:
2756
(PID) Process:(2756) Steam.exeKey:HKEY_CURRENT_USER\Software\Valve\Steam\ActiveProcess
Operation:writeName:SteamClientDll
Value:
C:\Users\admin\AppData\Local\Temp\steamclient.dll
(PID) Process:(2756) Steam.exeKey:HKEY_CURRENT_USER\Software\Valve\Steam\ActiveProcess
Operation:writeName:SteamClientDll64
Value:
C:\Users\admin\AppData\Local\Temp\steamclient64.dll
(PID) Process:(2756) Steam.exeKey:HKEY_CURRENT_USER\Software\Valve\Steam
Operation:writeName:SteamExe
Value:
c:/users/admin/appdata/local/temp/steam.exe
(PID) Process:(2756) Steam.exeKey:HKEY_CURRENT_USER\Software\Valve\Steam
Operation:writeName:SteamPath
Value:
c:/users/admin/appdata/local/temp
Executable files
53
Suspicious files
43
Text files
1 699
Unknown types
109

Dropped files

PID
Process
Filename
Type
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tenfoot_misc_all.zip.1ca83d76835b4613170f5cead778b176b11f2b0c —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tenfoot_ambientsounds_all.zip.89b80bcfdd11b2b99257ddbbdc374e2df54e2738 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tenfoot_dicts_all.zip.33245b7d523f68418283e93b0572508fa127ee8f —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tenfoot_fonts_all.zip.vz.7673e4cd32b6752bc621d8bc1a7118a9af19b64a_12077027 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tenfoot_images_all.zip.vz.04fa59fdcdeb3818196294fb1db417f75a46d1ec_31242830 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\bins_misc_win32.zip.vz.a8aa4aa669e44ebb10308330d90047b3b1e99dae_13205694 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\bins_win32.zip.vz.302c3cdbc101fc8a9b783efa590e973b7c52dc04_16828839 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\bins_cef_win32_win7.zip.vz.00531174b472fe8346684b8321aa87a42afcfb20_51642499 —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\tmp\tenfoot\resource\images\intro_movie.webm_ —
MD5:—
SHA256:—
3112Steam.exeC:\Users\admin\AppData\Local\Temp\package\bins_codecs_win32.zip.vz.6fa7c50348e00d80d38cf90c79c67583243e0df3_2548326binary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
22
TCP/UDP connections
4
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3112
Steam.exe
GET
302
162.254.197.107:80
http://client-download.steampowered.com/client/steam_client_win32
DE
—
—
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_fonts_all.zip.vz.7673e4cd32b6752bc621d8bc1a7118a9af19b64a_12077027
unknown
binary
11.5 Mb
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/steam_client_win32?1550602782
unknown
text
10.3 Kb
whitelisted
3112
Steam.exe
GET
—
2.16.186.64:80
http://media4.steampowered.com/client/bins_cef_win32_win7.zip.vz.00531174b472fe8346684b8321aa87a42afcfb20_51642499
unknown
—
—
whitelisted
3112
Steam.exe
GET
—
2.16.186.64:80
http://media4.steampowered.com/client/bins_misc_win32.zip.vz.a8aa4aa669e44ebb10308330d90047b3b1e99dae_13205694
unknown
—
—
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_misc_all.zip.1ca83d76835b4613170f5cead778b176b11f2b0c
unknown
binary
12.5 Mb
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_dicts_all.zip.33245b7d523f68418283e93b0572508fa127ee8f
unknown
binary
11.7 Mb
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_all.zip.vz.1dc932e34137b4eb6827a18873ca52387ff51e98_2585338
unknown
binary
2.47 Mb
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_ambientsounds_all.zip.89b80bcfdd11b2b99257ddbbdc374e2df54e2738
unknown
ini
7.60 Mb
whitelisted
3112
Steam.exe
GET
200
2.16.186.64:80
http://media4.steampowered.com/client/tenfoot_images_all.zip.vz.04fa59fdcdeb3818196294fb1db417f75a46d1ec_31242830
unknown
binary
29.8 Mb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3112
Steam.exe
162.254.197.107:80
client-download.steampowered.com
Valve Corporation
DE
unknown
3112
Steam.exe
2.16.186.64:80
media4.steampowered.com
Akamai International B.V.
—
whitelisted

DNS requests

Domain
IP
Reputation
client-download.steampowered.com
  • 162.254.197.107
  • 162.254.197.29
  • 162.254.197.103
  • 162.254.197.102
  • 162.254.197.83
  • 162.254.197.88
  • 162.254.197.99
  • 162.254.197.101
whitelisted
media4.steampowered.com
  • 2.16.186.64
  • 2.16.186.49
whitelisted

Threats

No threats detected
Process
Message
Steam.exe
Steam.exe
Steam.exe
C:\Users\admin\AppData\Local\Temp\steamerrorreporter.exe
Steam.exe
Steam.exe
C:\Users\admin\AppData\Local\Temp\steamerrorreporter.exe
Steam.exe
steamwebhelper.exe
[0228/235325.845:INFO:crash_reporting.cc(242)] Crash reporting enabled for process: browser
steamwebhelper.exe
[0228/235325.939:ERROR:widevine_loader.cc(300)] Widevine CDM registration failed; Manifest has no supported x-cdm-interface-versions in '8'
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Reports
Steam.exe