Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2023 13:29

General

  • Target

    c7e0d171f1a3f77fd83cf2898cdbdcd8_JC.exe

  • Size

    332KB

  • MD5

    c7e0d171f1a3f77fd83cf2898cdbdcd8

  • SHA1

    5606572d9fc5af80a574beea1d3881aa82cd3dd3

  • SHA256

    8d6b2e4295354b5069d4d021f29fc110e9ea6d788162bcd53234f08e65c44795

  • SHA512

    8405ea0ecc8389280a9a4b34fe44abf6e8e42a479b9c88edb686e0f1a90462df045c77324a26374869e0fb064788db525b567c5a16f75ff1cf8cdf2de9e8e5ab

  • SSDEEP

    6144:Nj9c2WYd30BKmiPVpU3ypIPr3D3StNynyS/t:NSI2H5

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 2 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\c7e0d171f1a3f77fd83cf2898cdbdcd8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c7e0d171f1a3f77fd83cf2898cdbdcd8_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c7e0d171f1a3f77fd83cf2898cdbdcd8_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    332KB

    MD5

    b799dadaae4bce90295185cdf2098470

    SHA1

    569c57e0f36b8bc7805ccc1381204beb943e0e29

    SHA256

    3945982e02dda4ddcd1797d229fca41c533641dd07f79f799a050c2777684743

    SHA512

    5836d4b474ab7b6294c8881e6ba6d22ebddc6d53ff7e7e54e4ed24a5760dd27801104eefeba4054e0a3464ce7a9e3b00d92843e1d0495dd67da9be4a577487d8

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

    Filesize

    332KB

    MD5

    b799dadaae4bce90295185cdf2098470

    SHA1

    569c57e0f36b8bc7805ccc1381204beb943e0e29

    SHA256

    3945982e02dda4ddcd1797d229fca41c533641dd07f79f799a050c2777684743

    SHA512

    5836d4b474ab7b6294c8881e6ba6d22ebddc6d53ff7e7e54e4ed24a5760dd27801104eefeba4054e0a3464ce7a9e3b00d92843e1d0495dd67da9be4a577487d8