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Analysis

  • max time kernel
    90s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2023, 18:10

General

  • Target

    d7066913f98233849a95ca7f4715f072_JC.exe

  • Size

    104KB

  • MD5

    d7066913f98233849a95ca7f4715f072

  • SHA1

    6e9273d5d61db5a773db1dc0904ea92ea0e08c9b

  • SHA256

    1fa54ff273a68de08200ade3fb598df692108828cbe5f5f214483707a3fe4cf6

  • SHA512

    89620bab6244c3cb5a032a761dc3f7b2593ec47ce493100a09061af20e6de6ceed13ea00a907a89b7f2bf4284c6f79ec6d3d23b2c4f07c55462ad3bbb3866927

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazTwru/Ci7PesalC97Oyt1+0ivFihHwEi:ZRpAyazIlyazTwraWPDi+05HIyG

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7066913f98233849a95ca7f4715f072_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\d7066913f98233849a95ca7f4715f072_JC.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Users\Admin\AppData\Local\Temp\DJQqdis9a02aofw.exe
      C:\Users\Admin\AppData\Local\Temp\DJQqdis9a02aofw.exe
      2⤵
      • Executes dropped EXE
      PID:1220
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    393KB

    MD5

    6beb0bc8557e1c38c388c1bb9f32fd29

    SHA1

    2cc80da026654141897f4ddcb64219972291e09c

    SHA256

    97de2488eecb68d8a132f43a207f316fbbe337ae290410b133c36613cac72689

    SHA512

    33964be47e803288a3576bd4179cb5d4b7e3a5ea81b54bf534aafe118180cc0d68d7c0be92250b0fd77fd72bcd5be8d8f0f6c3112d70d0bb8562d2f9e20da086

  • C:\Users\Admin\AppData\Local\Temp\DJQqdis9a02aofw.exe

    Filesize

    33KB

    MD5

    7f159805a94fd4a18503ba3502aab432

    SHA1

    c8d63d313c1e6c1d237696655def804b378dfff5

    SHA256

    5dabf73f45ec6a6e5d0af96027e67c34fb79fc1b01cf147f8eb704ee43e28eeb

    SHA512

    15675bfe17f06ce1e16efed7084ba834c61ab3483f56a5b14613671abcc49185aca743b837dc9e80f93d876745b4cf19f9e493b143ed757c0c5c75b6abe1f6b7

  • C:\Users\Admin\AppData\Local\Temp\DJQqdis9a02aofw.exe

    Filesize

    33KB

    MD5

    7f159805a94fd4a18503ba3502aab432

    SHA1

    c8d63d313c1e6c1d237696655def804b378dfff5

    SHA256

    5dabf73f45ec6a6e5d0af96027e67c34fb79fc1b01cf147f8eb704ee43e28eeb

    SHA512

    15675bfe17f06ce1e16efed7084ba834c61ab3483f56a5b14613671abcc49185aca743b837dc9e80f93d876745b4cf19f9e493b143ed757c0c5c75b6abe1f6b7

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f60519a4b9abe303feb4b5b3666a551e

    SHA1

    d5bb38474958a5f51fb74886482fa44e873898f5

    SHA256

    6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

    SHA512

    3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    f60519a4b9abe303feb4b5b3666a551e

    SHA1

    d5bb38474958a5f51fb74886482fa44e873898f5

    SHA256

    6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

    SHA512

    3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7