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Overview

overview

10

Static

static

1

bb946145a3...ff.exe

windows7-x64

10

bb946145a3...ff.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2023, 19:42

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General

  • Target

    bb946145a3856aa548b4e17d1cf9a4450b81b4e83a832554aefd5747834fa3ff.exe

  • Size

    72KB

  • MD5

    96ef8afa042404331636def662c83a9e

  • SHA1

    578bc3973848495df63015d2b4d4ec9156ae2776

  • SHA256

    bb946145a3856aa548b4e17d1cf9a4450b81b4e83a832554aefd5747834fa3ff

  • SHA512

    c2db17a51c007acbf8c033177862a5d08e0e0e5001810c1ac4ebecb7c7124f515247453ee4188d6ded9ac71be5313eb87aaa72a7c663789777caf79bcf1468b0

  • SSDEEP

    384:nkNX5/j1/XiLSajU+322qiWspNdRA1E/VuXP3QAZx31zTm31CuU/S0Q+duWx/3:kNpJ/X8jU+mNwOKVMgAZxlEU/Sg3

Score
8/10
upx

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb946145a3856aa548b4e17d1cf9a4450b81b4e83a832554aefd5747834fa3ff.exe
    "C:\Users\Admin\AppData\Local\Temp\bb946145a3856aa548b4e17d1cf9a4450b81b4e83a832554aefd5747834fa3ff.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\ProgramData\homo\test.exe
      "C:\ProgramData\homo\test.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c start C:\ProgramData\114514
        3⤵
        • Modifies registry class
        PID:1232
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1540
    • C:\Windows\system32\mmc.exe
      "C:\Windows\system32\mmc.exe" "C:\Windows\System32\gpedit.msc"
      1⤵
      • Drops file in System32 directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4656

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\homo\test.exe
      Filesize

      103KB

      MD5

      fff506076c8b3e5a0947dacd74ab9c09

      SHA1

      596a13421230a19d8ba704466085cac455ad6004

      SHA256

      bd213f8096c5067ee562d087ee4c70f47a5d3f4f6eacd9e570ee7de91e4c58a7

      SHA512

      67c0a44022b16f20b6584a973d571b2780d0dd31dcfefc5cebea55d68c1690d5ffc6d5eef66f32000a073ca5a9b54e971a1f7a37b7d1502bfd5637c6939d133a

      Download Submit

    • C:\ProgramData\homo\test.exe
      Filesize

      103KB

      MD5

      fff506076c8b3e5a0947dacd74ab9c09

      SHA1

      596a13421230a19d8ba704466085cac455ad6004

      SHA256

      bd213f8096c5067ee562d087ee4c70f47a5d3f4f6eacd9e570ee7de91e4c58a7

      SHA512

      67c0a44022b16f20b6584a973d571b2780d0dd31dcfefc5cebea55d68c1690d5ffc6d5eef66f32000a073ca5a9b54e971a1f7a37b7d1502bfd5637c6939d133a

      Download Submit

    • memory/4656-138-0x00007FFA93620000-0x00007FFA940E1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4656-139-0x00007FFA93620000-0x00007FFA940E1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4952-135-0x0000000000B20000-0x0000000000B60000-memory.dmp

      Filesize

      256KB

      Download