Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2024, 17:37

General

  • Target

    77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe

  • Size

    121KB

  • MD5

    1dfd881fcb5a29eed8117d02adbf4b53

  • SHA1

    653dcd86c0bd75b63f042be53ab1bd832e6e28b2

  • SHA256

    77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169

  • SHA512

    6cd06e61501624f4522bbdff7135a6098d9cc6d587905854ec32d0e896ac44890ed576764a7fa9c9ebcbfc8ac33616dca22b3ceaa9ba17e9ef5df9a79fc20712

  • SSDEEP

    3072:gjbLl/gvQoutp1Tj4mYWR/RW7ozCxkHSGM7AH8:gjluQoS3Io5RLzC8SGMz

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 17 IoCs
  • UPX dump on OEP (original entry point) 20 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 20 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe
    "C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe
      "C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe
        "C:\Users\Admin\AppData\Local\Temp\77077c8b8d9027cecead488a4e79cb702d7a864c9300589d58fe117c7a0ef169.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1520

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Windows Sidebar\Shared Gadgets\horse gay licking .rar.exe

          Filesize

          281KB

          MD5

          596135ae1796b5df7a55d3d9299c2de2

          SHA1

          56ea88f00b65af9cad7f1b7ce0921b52da6883ac

          SHA256

          0aa40c961cbdd3a53fa4d088326a02d7284a943da38b137acc12daadb26b9762

          SHA512

          77f1c35f8c46aecb09abe4b876bf8ef0ead2833a7955aeed9eab269c71be4f6fa239c23ab4dc587b00f63f6b798fefe4d65fde1c742c4682926c22914c8fab96

        • C:\debug.txt

          Filesize

          183B

          MD5

          ce90b94109b9ffed26d3cae5bf604cca

          SHA1

          8953430d1db03cbc3550832fe855c4f85d00ba2b

          SHA256

          d6dc40ca877f70132422b7005b43f90ddd62940e301566eb5d562848d2bd54d1

          SHA512

          dd2aa4220207ba6e4a756534a8720aaf7740c64d736f32e2b672d81df29acd9288c3494a75ca529aadaf4efb010aaa69b203986aabc29e9d12cd839f7e337861

        • memory/1520-90-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1520-104-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-107-0x0000000005320000-0x0000000005340000-memory.dmp

          Filesize

          128KB

        • memory/2180-115-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-144-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-141-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-80-0x0000000005320000-0x0000000005340000-memory.dmp

          Filesize

          128KB

        • memory/2180-105-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-109-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-112-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-94-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-120-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-123-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-126-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-129-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-132-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-135-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2180-138-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2464-103-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2464-81-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB