Analysis

  • max time kernel
    292s
  • max time network
    285s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 19:00

General

  • Target

    2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73.exe

  • Size

    192KB

  • MD5

    522879aa7fba4392adf2216d0c076020

  • SHA1

    cb14410d84aabbe51bc190bd58340c77e8f0eff5

  • SHA256

    2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73

  • SHA512

    9111f95300ca94c3b75e66bcac19dab1fbe543d2099bbe7e2b1e30129753b85ddc8c2953b9fe5156c70cc457a7403cfaffca6d3f6eacd73613c01612b6b39b4e

  • SSDEEP

    3072:4ShLIxdvKuGr7t5qCRFSoRQg/yqG9Kf5L/SV5qK:hiVCRFSoRQZC5L/hK

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73.exe
    "C:\Users\Admin\AppData\Local\Temp\2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\xiose.exe
      "C:\Users\Admin\xiose.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4456

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xiose.exe
    Filesize

    192KB

    MD5

    522879aa7fba4392adf2216d0c076020

    SHA1

    cb14410d84aabbe51bc190bd58340c77e8f0eff5

    SHA256

    2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73

    SHA512

    9111f95300ca94c3b75e66bcac19dab1fbe543d2099bbe7e2b1e30129753b85ddc8c2953b9fe5156c70cc457a7403cfaffca6d3f6eacd73613c01612b6b39b4e

  • C:\Users\Admin\xiose.exe
    Filesize

    192KB

    MD5

    522879aa7fba4392adf2216d0c076020

    SHA1

    cb14410d84aabbe51bc190bd58340c77e8f0eff5

    SHA256

    2a832bd6121bdcfccf27ee24a0252990a54cdd8b59cd06a151fcdda4a5a9ef73

    SHA512

    9111f95300ca94c3b75e66bcac19dab1fbe543d2099bbe7e2b1e30129753b85ddc8c2953b9fe5156c70cc457a7403cfaffca6d3f6eacd73613c01612b6b39b4e

  • memory/4456-134-0x0000000000000000-mapping.dmp