Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 04:35

General

  • Target

    2024-10-02_e73457ae165a929b222739504502e222_cryptolocker.exe

  • Size

    41KB

  • MD5

    e73457ae165a929b222739504502e222

  • SHA1

    4e567f620ee4a12fcdd42d6f2aab40a87b902f5b

  • SHA256

    518fcd293001947cd4d062393e74d750b5a9205e28c296bdd75cce0a3dbdb414

  • SHA512

    eea774ecc546b74b0a9c9ccf84e39a915f044bffba081a776dbe5ad25043459294b21afd956c8f72ffe9a19fbb04273b5733be2d27d96500d1a3194558e99de6

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuD+6P:ZzFbxmLPWQMOtEvwDpjLeJAsKcjP

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-02_e73457ae165a929b222739504502e222_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_e73457ae165a929b222739504502e222_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    b584f5abc1e29ccf3e7e3de7cc76e74b

    SHA1

    1afdcb8464bb84fea3e033cb050ec87a8f38366e

    SHA256

    6302b74f9b207e7d814e82bb1ba2e076cc66d12449dd8a441f463f4dd786953d

    SHA512

    4fb7da91f3f1de6236395f0798fa6d5ad88127e6ed7318eb2d1fc3e32a792fc29526f3fd88073c6fa66104c2825a3b6f4c4f582196d15e4098ffff79bd8f42a8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1300-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/1300-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

    Filesize

    24KB

  • memory/1300-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

    Filesize

    24KB

  • memory/1300-3-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/1300-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4840-19-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB

  • memory/4840-48-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB