Analysis

  • max time kernel
    146s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:41

General

  • Target

    e3e89aaefa689381867c87d37ebaddc5f351c3376f64a6fe2c2972e3a44f4b98.exe

  • Size

    216KB

  • MD5

    44a136ae67accab96d8ab53a5f54d000

  • SHA1

    903bbada00149c417266e0fa7b298640f9080bcc

  • SHA256

    e3e89aaefa689381867c87d37ebaddc5f351c3376f64a6fe2c2972e3a44f4b98

  • SHA512

    5a0aedd698d909fcc4fb9481f65908e72bd371dc9fe155b21f3973f4ac840cb9b1568d7025379afe5fce14f4ac8f5e24c438dacdfee5a599c3f933340319cda5

  • SSDEEP

    3072:ol3qOf+5or1QcMgmST9F+bAsOekqMhOdFAeRV8HDO4O2Vurl3dQ4GCH:dOf+5UpMdkF+8sOKmw+eR8kFdO

Score
8/10

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3e89aaefa689381867c87d37ebaddc5f351c3376f64a6fe2c2972e3a44f4b98.exe
    "C:\Users\Admin\AppData\Local\Temp\e3e89aaefa689381867c87d37ebaddc5f351c3376f64a6fe2c2972e3a44f4b98.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\UXTvMlrT.exe
      C:\Users\Admin\AppData\Local\Temp\UXTvMlrT.exe
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4804
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\019f0d8e.bat" "
        3⤵
          PID:3616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\019f0d8e.bat

      Filesize

      191B

      MD5

      fa8bee4d22bce0ebd606e33431797e8e

      SHA1

      31a470ef0f445a7ae8e1a7958970a13df0123e9d

      SHA256

      927430c2549ce31cb4abcd4050b269556bad43c4a414008864cc520c36c4beaa

      SHA512

      2a63e819bbd4d425d2f99531f2323620b10ea029cb0389e2c3739371cef4c8fe7fd5cbada893428b87a0d189b9d3dd3685c4645e2bebd8f165fe79527bfaeb3e

    • C:\Users\Admin\AppData\Local\Temp\UXTvMlrT.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\AppData\Local\Temp\UXTvMlrT.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/2024-135-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/2024-137-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/3616-139-0x0000000000000000-mapping.dmp

    • memory/4804-132-0x0000000000000000-mapping.dmp

    • memory/4804-136-0x0000000000F10000-0x0000000000F19000-memory.dmp

      Filesize

      36KB

    • memory/4804-138-0x0000000000F10000-0x0000000000F19000-memory.dmp

      Filesize

      36KB