Analysis

  • max time kernel
    7s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:25

General

  • Target

    abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e.exe

  • Size

    1.3MB

  • MD5

    a4425b89e3cc570a5777cc56e264a883

  • SHA1

    1e269c18c2e96dda052714bf1f0cc12370082ac1

  • SHA256

    abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e

  • SHA512

    5126722754936a5830b4a11271920d4308cc24246abeb684a492cfc39290748d598aec0335a74478cfa401e2756eaa0c661d756773ea87469ed78752e73f79f1

  • SSDEEP

    24576:wq5QPIvi0/QWqYID/aAIcDUebJvQiIE3kr:pSq7IUL2I

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e.exe
    "C:\Users\Admin\AppData\Local\Temp\abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\SysWOW64\drvhost.exe
      "C:\Windows\system32\drvhost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\ProgramData\syshost.exe
        C:\ProgramData\syshost.exe
        3⤵
        • Executes dropped EXE
        PID:1508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\syshost.exe
    Filesize

    6KB

    MD5

    36c689700adbb227867e409938607270

    SHA1

    6123e236f73faa37600a60107a5b167980b83a61

    SHA256

    a2158014ecd471868954d0e97397f9df43e310c48d56fa0b5a6ef908dc654adf

    SHA512

    c75728ed30135032a6755e33b9034b98c871554c33a4b8ba1586e0b3282dbc65e3b61571d407365b24289dae2de56b514ef0db744f85e6648dc6432a33b85fef

  • C:\ProgramData\syshost.exe
    Filesize

    6KB

    MD5

    36c689700adbb227867e409938607270

    SHA1

    6123e236f73faa37600a60107a5b167980b83a61

    SHA256

    a2158014ecd471868954d0e97397f9df43e310c48d56fa0b5a6ef908dc654adf

    SHA512

    c75728ed30135032a6755e33b9034b98c871554c33a4b8ba1586e0b3282dbc65e3b61571d407365b24289dae2de56b514ef0db744f85e6648dc6432a33b85fef

  • C:\Windows\SysWOW64\drvhost.exe
    Filesize

    1.3MB

    MD5

    a4425b89e3cc570a5777cc56e264a883

    SHA1

    1e269c18c2e96dda052714bf1f0cc12370082ac1

    SHA256

    abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e

    SHA512

    5126722754936a5830b4a11271920d4308cc24246abeb684a492cfc39290748d598aec0335a74478cfa401e2756eaa0c661d756773ea87469ed78752e73f79f1

  • C:\Windows\SysWOW64\drvhost.exe
    Filesize

    1.3MB

    MD5

    a4425b89e3cc570a5777cc56e264a883

    SHA1

    1e269c18c2e96dda052714bf1f0cc12370082ac1

    SHA256

    abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e

    SHA512

    5126722754936a5830b4a11271920d4308cc24246abeb684a492cfc39290748d598aec0335a74478cfa401e2756eaa0c661d756773ea87469ed78752e73f79f1

  • \ProgramData\syshost.exe
    Filesize

    6KB

    MD5

    36c689700adbb227867e409938607270

    SHA1

    6123e236f73faa37600a60107a5b167980b83a61

    SHA256

    a2158014ecd471868954d0e97397f9df43e310c48d56fa0b5a6ef908dc654adf

    SHA512

    c75728ed30135032a6755e33b9034b98c871554c33a4b8ba1586e0b3282dbc65e3b61571d407365b24289dae2de56b514ef0db744f85e6648dc6432a33b85fef

  • \ProgramData\syshost.exe
    Filesize

    6KB

    MD5

    36c689700adbb227867e409938607270

    SHA1

    6123e236f73faa37600a60107a5b167980b83a61

    SHA256

    a2158014ecd471868954d0e97397f9df43e310c48d56fa0b5a6ef908dc654adf

    SHA512

    c75728ed30135032a6755e33b9034b98c871554c33a4b8ba1586e0b3282dbc65e3b61571d407365b24289dae2de56b514ef0db744f85e6648dc6432a33b85fef

  • \Windows\SysWOW64\drvhost.exe
    Filesize

    1.3MB

    MD5

    a4425b89e3cc570a5777cc56e264a883

    SHA1

    1e269c18c2e96dda052714bf1f0cc12370082ac1

    SHA256

    abae79fffca34894a454c82c074fd56718c6954f7c44c1a8faac3405b50b009e

    SHA512

    5126722754936a5830b4a11271920d4308cc24246abeb684a492cfc39290748d598aec0335a74478cfa401e2756eaa0c661d756773ea87469ed78752e73f79f1

  • memory/556-77-0x0000000074CB0000-0x000000007525B000-memory.dmp
    Filesize

    5.7MB

  • memory/556-57-0x0000000000000000-mapping.dmp
  • memory/1188-61-0x0000000074CB0000-0x000000007525B000-memory.dmp
    Filesize

    5.7MB

  • memory/1188-55-0x0000000074CB0000-0x000000007525B000-memory.dmp
    Filesize

    5.7MB

  • memory/1188-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

  • memory/1508-72-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-70-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-68-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-66-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-65-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-74-0x0000000000441175-mapping.dmp
  • memory/1508-73-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-79-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1508-80-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB