Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 15:37

General

  • Target

    983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1.exe

  • Size

    556KB

  • MD5

    1c64704a325a02b17467db556c1fb181

  • SHA1

    931add16c072b28a9cfffd59a0294e5d5e42f2f0

  • SHA256

    983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1

  • SHA512

    e22528ce5661329a7a289ad1a99de1a2049fae863f76fb07e321156b2a2d9e33c5b1998c9731ab8281d39977998c04c406641b8a024308d01df1fc2dcbe9100f

  • SSDEEP

    12288:sGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:sGosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1.exe
    "C:\Users\Admin\AppData\Local\Temp\983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\ICReinstall_983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1.exe

    Filesize

    556KB

    MD5

    1c64704a325a02b17467db556c1fb181

    SHA1

    931add16c072b28a9cfffd59a0294e5d5e42f2f0

    SHA256

    983d67f38789aefb6ab9579ac008af4a7ba7077bbc282bf13ed9f999b7c177d1

    SHA512

    e22528ce5661329a7a289ad1a99de1a2049fae863f76fb07e321156b2a2d9e33c5b1998c9731ab8281d39977998c04c406641b8a024308d01df1fc2dcbe9100f

  • memory/1700-54-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/1700-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB

  • memory/1700-56-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/1700-60-0x00000000023C0000-0x00000000023D0000-memory.dmp

    Filesize

    64KB

  • memory/1700-61-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/1700-62-0x00000000023C0000-0x00000000023D0000-memory.dmp

    Filesize

    64KB