Analysis

  • max time kernel
    130s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2023 12:04

General

  • Target

    NEAS.ee2ee71c9cc7f06d1c89adf1a8dd68a0_JC.exe

  • Size

    144KB

  • MD5

    ee2ee71c9cc7f06d1c89adf1a8dd68a0

  • SHA1

    8007d6798d96fefffd66c1d3a80a6c932d6e4b8e

  • SHA256

    7f971ed52d434ccec2340a459bed7a65981649f322031aabbfe14deeaddb3436

  • SHA512

    5b67452743fd1300174b31005e88da3b862d9fb91d684fbdd8c6f49d92a32847e33bd209fd3621039090b09d9c889df122f134ede8c734c72e2504e1fd6090e0

  • SSDEEP

    1536:mQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjXjp09y9x0:929DkEGRQixVSjLa130BYgjXjp+y9S

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\NEAS.ee2ee71c9cc7f06d1c89adf1a8dd68a0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.ee2ee71c9cc7f06d1c89adf1a8dd68a0_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.ee2ee71c9cc7f06d1c89adf1a8dd68a0_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    144KB

    MD5

    22f090318f14dcaa294374056f99a1b0

    SHA1

    a5187b2843abdddde59d4ccba5e5bdfde77ee2ea

    SHA256

    ecd499daada95c14cc1650193209f0c4afac9fdfe7fb824b608b3362dedcd5d9

    SHA512

    5dcfd60e4387ed72a34306623c51da24a3904350eabc1040da4b4f5028791e8d5dd6dde8921befe8b2aa2bffe3238a109a349875a2090ffb8361224790b76888

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

    144KB

    MD5

    22f090318f14dcaa294374056f99a1b0

    SHA1

    a5187b2843abdddde59d4ccba5e5bdfde77ee2ea

    SHA256

    ecd499daada95c14cc1650193209f0c4afac9fdfe7fb824b608b3362dedcd5d9

    SHA512

    5dcfd60e4387ed72a34306623c51da24a3904350eabc1040da4b4f5028791e8d5dd6dde8921befe8b2aa2bffe3238a109a349875a2090ffb8361224790b76888

  • memory/2788-0-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/2788-6-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/2788-8-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/2844-5-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/2844-7-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB