Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2023 16:09

General

  • Target

    easyMalicious04f2c26a27bc.exe

  • Size

    418KB

  • MD5

    1ab5eb4a17127c6b5e4ae15a8757737c

  • SHA1

    e3a9ef10f4badc0904f8be060945c5fab383ac49

  • SHA256

    f3f4e690f55d8246bbb2c456dba2b551fa77ecedf273b83480f2e0f37f1219c0

  • SHA512

    ebe284500429696a15351ee24be0683a1a0380d0cd9298504f2ef363cc94d31bbbe65721d47b04801a1319d4114497240acd7747415e41d1cc4c42669ccb0f2a

  • SSDEEP

    6144:M29qRfVSndj30B3wBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn5f:0RfQn+w8EYiBlMkn5f9J105i

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\easyMalicious04f2c26a27bc.exe
    "C:\Users\Admin\AppData\Local\Temp\easyMalicious04f2c26a27bc.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\easyMalicious04f2c26a27bc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5XLATO3O\tofqfhpu1485571864[1].htm

    Filesize

    2KB

    MD5

    3ac1fc7278c765add6f2269379304bfb

    SHA1

    c3236a35a4dc17b01e1149509366ad4130a52c99

    SHA256

    af9c53bac5e14a69633b395f7477afda25406901cf2c14d9e3aea0aa41060515

    SHA512

    33481a9019f54481e81d802694dda986632e11f55784c657b0440ade5e95e7c61fa338731337aaa4e088fd101ddacbb182e9b1b97d7eca1e0fde2331094d9ed9

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    418KB

    MD5

    3f132e43ac6243b08e43872a33ab42ce

    SHA1

    7b96e172caf5447bcde6394d3a18f8c0c0d24124

    SHA256

    9906218eed7036fd4ef53456be165e24b6839b48fb81e4b5dfbe6d67ad0c9cd4

    SHA512

    9d2549dd3e7becb8c8b4ac2561d70709ec7d60db1ddabdfc1fd8dab560d0dd6db416d54401f4e37da36178828d664f17c9d732322b9d7112f389033472a10204

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    Filesize

    418KB

    MD5

    3f132e43ac6243b08e43872a33ab42ce

    SHA1

    7b96e172caf5447bcde6394d3a18f8c0c0d24124

    SHA256

    9906218eed7036fd4ef53456be165e24b6839b48fb81e4b5dfbe6d67ad0c9cd4

    SHA512

    9d2549dd3e7becb8c8b4ac2561d70709ec7d60db1ddabdfc1fd8dab560d0dd6db416d54401f4e37da36178828d664f17c9d732322b9d7112f389033472a10204

  • memory/4556-137-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4556-139-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4920-138-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4920-144-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB