Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 13:25

General

  • Target

    12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe

  • Size

    203KB

  • MD5

    12ee889f3a4da0ad4431f67b30b8279e

  • SHA1

    7add1d715851eca2875c6617999a58ba7ceca118

  • SHA256

    ea721b83c12fd31e7df6bbf8d1516c663046cc809e6fa2672b27b3b6c113bf23

  • SHA512

    c8cea309e50eadc3223cbbc89a20e9d14b474382930c1027b2fcdbecc868480cf13bc34f4035600559b6fdeeafa1bb8434951486c2b208389e2736166fe4a934

  • SSDEEP

    6144:sLV6Bta6dtJmakIM5bO3JM1fMKQqa7FPp0k4V:sLV6Btpmk7GpC78V

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2912
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp

    Filesize

    1KB

    MD5

    9c0b1c86f7452298c4d40f7771a2bd8b

    SHA1

    03c8404cd9944a0aff1c255e63924e0cec115615

    SHA256

    227cf9e39da3e83d16e01688a6fd8fdbc6a94f96910107feb876bb3da2bd1641

    SHA512

    4e50cc8491911a278cbe734ddb01411ac951c30c68bfcdf4bae712b0ea2ce707416e403b55f8127cf64e79ed347be873666fd6b4a171ff1eb8b213ed58f1e945

  • C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp

    Filesize

    1KB

    MD5

    0479d5f304ef2d7e3c15fb24a99f88c1

    SHA1

    8edbb1450a656fac5f5e96779ffe440ee8c1aec9

    SHA256

    112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

    SHA512

    537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

  • memory/3056-0-0x0000000074A82000-0x0000000074A83000-memory.dmp

    Filesize

    4KB

  • memory/3056-1-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-2-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-10-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-11-0x0000000074A82000-0x0000000074A83000-memory.dmp

    Filesize

    4KB

  • memory/3056-12-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-13-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-14-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB