Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    04-08-2023 16:13

General

  • Target

    5e0a42355cb0e7ea1560a585108d4e07_cryptolocker_JC.exe

  • Size

    88KB

  • MD5

    5e0a42355cb0e7ea1560a585108d4e07

  • SHA1

    b3b4c4065f6e7b1f44517c41775941685cd3f720

  • SHA256

    4fbd34d28d15396d783abcd4a2b95ab5831d570488b5b9944786de5d9ceee7f0

  • SHA512

    012eaae885a954d00fb11b757e0024e840ecb4449253296dec52cc71fae3dda10fb1055d3618202b88305133f7f6b992d84aa0e57c0ba806ca1952ff1aa2378a

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWHShlRR+:V6a+pOtEvwDpjtx+

Score
7/10

Malware Config

Signatures

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

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e0a42355cb0e7ea1560a585108d4e07_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\5e0a42355cb0e7ea1560a585108d4e07_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    88KB

    MD5

    fa0d872be949de2a42f0d816a3054276

    SHA1

    b76481368a186b4ce5475ec8b33d2347b3029526

    SHA256

    5c6d334d02cac6cbf1d627bb93d8e333dca337c9c167d695de9b2aca69cbe3dd

    SHA512

    49571d8f68e97242cd84c15794d1b1384aa08288b1084eb964d272338ddb434b8c432c6b4a90c2826f6e46fdfd307e001f377f34b3762d6e0b565a737de81e86

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

    Filesize

    88KB

    MD5

    fa0d872be949de2a42f0d816a3054276

    SHA1

    b76481368a186b4ce5475ec8b33d2347b3029526

    SHA256

    5c6d334d02cac6cbf1d627bb93d8e333dca337c9c167d695de9b2aca69cbe3dd

    SHA512

    49571d8f68e97242cd84c15794d1b1384aa08288b1084eb964d272338ddb434b8c432c6b4a90c2826f6e46fdfd307e001f377f34b3762d6e0b565a737de81e86

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    88KB

    MD5

    fa0d872be949de2a42f0d816a3054276

    SHA1

    b76481368a186b4ce5475ec8b33d2347b3029526

    SHA256

    5c6d334d02cac6cbf1d627bb93d8e333dca337c9c167d695de9b2aca69cbe3dd

    SHA512

    49571d8f68e97242cd84c15794d1b1384aa08288b1084eb964d272338ddb434b8c432c6b4a90c2826f6e46fdfd307e001f377f34b3762d6e0b565a737de81e86

  • memory/2980-69-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/2980-70-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3028-54-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3028-55-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/3028-56-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB