Analysis

  • max time kernel
    40s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 14:19

General

  • Target

    39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37.exe

  • Size

    935KB

  • MD5

    b1f090b15a022290b54ae1f3eab7e388

  • SHA1

    4eb7e81b1ecde9317986b207758b5242c831dba5

  • SHA256

    39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37

  • SHA512

    3e7252cc23709bfd0cfdfd4048c22269f9edc9a46d929d701bf95016dc6101b8af6a18fe72243a3fc4e64e87b28da05dcec14b7bba8994e7f1793f84115ca911

  • SSDEEP

    12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4e9:IyHv5Z+Wzv7AiBll0OBWi6si9GB

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37.exe
    "C:\Users\Admin\AppData\Local\Temp\39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37.exe
      "C:\Users\Admin\AppData\Local\Temp\39f54d90e5601002f5a1c1dff5d2cfb82a5bca02aee9fac04317061da64cff37.exe" Track="0001001000"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/940-54-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-55-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-57-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-59-0x00000000004F0400-mapping.dmp

  • memory/940-58-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-61-0x0000000076151000-0x0000000076153000-memory.dmp

    Filesize

    8KB

  • memory/940-62-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-63-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-64-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB

  • memory/940-65-0x0000000000400000-0x00000000004F2000-memory.dmp

    Filesize

    968KB