Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 15:30

General

  • Target

    9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe

  • Size

    556KB

  • MD5

    2d95ea2443e4825aeede962210b844ba

  • SHA1

    ec8835298d762d72add202b16453231ad55aac47

  • SHA256

    9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452

  • SHA512

    0fc2a519a0e237fe753946875108549f1cfbbd190384288e3a98e5ddd939c264abc33d9dd3f82d45d6c2e9545b9400b2441a64f97fe8f1e7efa75e06ef46f55c

  • SSDEEP

    12288:2GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:2GosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 6 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe
    "C:\Users\Admin\AppData\Local\Temp\9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe
      "C:\Users\Admin\AppData\Local\Temp\9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe" /_ShowProgress
      2⤵
        PID:1088

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\ICReinstall_9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452.exe

      Filesize

      556KB

      MD5

      2d95ea2443e4825aeede962210b844ba

      SHA1

      ec8835298d762d72add202b16453231ad55aac47

      SHA256

      9c8487c2c05dc67a21f48d412deb9c750ebd80993e1d4caca3193433b2d21452

      SHA512

      0fc2a519a0e237fe753946875108549f1cfbbd190384288e3a98e5ddd939c264abc33d9dd3f82d45d6c2e9545b9400b2441a64f97fe8f1e7efa75e06ef46f55c

    • memory/1088-57-0x0000000000000000-mapping.dmp

    • memory/1088-61-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1088-62-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-55-0x0000000076141000-0x0000000076143000-memory.dmp

      Filesize

      8KB

    • memory/1992-54-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-56-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-60-0x0000000004AB0000-0x0000000004BD2000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-66-0x0000000003890000-0x00000000038A0000-memory.dmp

      Filesize

      64KB

    • memory/1992-67-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB