General

  • Target
    SteamSetup.exe
  • Size 2.2MB
  • Sample241112-v148ka1jam
  • SHA256 3b616cb0beaacffb53884b5ba0453312d2577db598d2a877a3b251125fb281a1
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Unsigned PE 8 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • SteamSetup.exe
    .exe 2.2MB
  • $PLUGINSDIR/StdUtils.dll
    .dll 99KB
  • $PLUGINSDIR/System.dll
    .dll 11KB
  • $PLUGINSDIR/modern-header.bmp
    25KB
  • $PLUGINSDIR/modern-wizard.bmp
    150KB
  • $PLUGINSDIR/nsDialogs.dll
    .dll 9KB
  • $PLUGINSDIR/nsExec.dll
    .dll 6KB
  • $PLUGINSDIR/nsProcess.dll
    .dll 4KB
  • Steam.exe
    .exe 4.1MB
  • bin/SteamService.exe
    .exe 2.7MB
  • public/steambootstrapper_brazilian.txt
    4KB
  • public/steambootstrapper_bulgarian.txt
    6KB
  • public/steambootstrapper_czech.txt
    4KB
  • public/steambootstrapper_danish.txt
    4KB
  • public/steambootstrapper_dutch.txt
    4KB
  • public/steambootstrapper_english.txt
    4KB
  • public/steambootstrapper_finnish.txt
    4KB
  • public/steambootstrapper_french.txt
    4KB
  • public/steambootstrapper_german.txt
    4KB
  • public/steambootstrapper_greek.txt
    6KB
  • public/steambootstrapper_hungarian.txt
    4KB
  • public/steambootstrapper_italian.txt
    4KB
  • public/steambootstrapper_japanese.txt
    5KB
  • public/steambootstrapper_korean.txt
    4KB
  • public/steambootstrapper_koreana.txt
    4KB
  • public/steambootstrapper_latam.txt
    4KB
  • public/steambootstrapper_norwegian.txt
    4KB
  • public/steambootstrapper_polish.txt
    4KB
  • public/steambootstrapper_portuguese.txt
    4KB
  • public/steambootstrapper_romanian.txt
    4KB
  • public/steambootstrapper_russian.txt
    6KB
  • public/steambootstrapper_schinese.txt
    4KB
  • public/steambootstrapper_spanish.txt
    4KB
  • public/steambootstrapper_swedish.txt
    4KB
  • public/steambootstrapper_tchinese.txt
    4KB
  • public/steambootstrapper_thai.txt
    7KB
  • public/steambootstrapper_turkish.txt
    4KB
  • public/steambootstrapper_ukrainian.txt
    6KB
  • public/steambootstrapper_vietnamese.txt
    4KB
  • uninstall.exe
    .exe 139KB
  • $PLUGINSDIR/LangDLL.dll
    .dll 5KB
  • $PLUGINSDIR/ShellLink.dll
    .dll 4KB
  • $PLUGINSDIR/modern-header.bmp
    25KB
  • $PLUGINSDIR/nsExec.dll
    .dll 6KB

SteamSetup.exe

  • IMPHASH 4ea4df5d94204fc550be1874e1b77ea7
  • SHA256 3b616cb0beaacffb53884b5ba0453312d2577db598d2a877a3b251125fb281a1
  • MD5 SHA1 SHA512 SSDEEP
Digest
96:57:dc:d4:14:11:af:df:a8:7a:9b:aa:cb:29:0a:a9:21:bf:0e:dc:e1:a7:66:d7:47:10:41:02:3a:4b:63:1f
Digest Algorithm
sha256
PE Digests Matches
Trusted
Signing Certificate
CN=Valve Corp.,O=Valve Corp.,L=Bellevue,ST=Washington,C=US
Minor OS version
0
Major OS version
4
Entry point
13238
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE
PDB paths