Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2023 19:14

General

  • Target

    b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe

  • Size

    411KB

  • MD5

    33035942c17d3a53f3b6d1ca970c0212

  • SHA1

    3709cd98c55bcb4567a047e58398504df287d6c5

  • SHA256

    b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54

  • SHA512

    7cc642d0829cc5225900c0c9de06236be800e5ae4b73d1f84200cfa042ec4d0e4eac71c56d6350186468bdde027578386c7f87984793c03bd972eb42814e8a48

  • SSDEEP

    6144:LHkZeUwBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn5119J3rR05F:zkZbw8EYiBlMkn5f9J105ko8K

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe
    "C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3048
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD809.tmp
    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

    411KB

    MD5

    7496bbc40f0f74d635e462b6612f4bd8

    SHA1

    94716770a25218f8ae003676f3adb7658d6f82d2

    SHA256

    47d63cef57b01c0e8757d488e54a3838571766765d4b5044273152feda8ec994

    SHA512

    fce886c258a5eacc17208973cd4258cb0d2510204d07ce09ea860d087c29d6c32b2f15e19150914cecbd75a4e471c06f10cfd08a2b888d78dad2abc8771b761c

  • C:\Users\Admin\AppData\Local\Temp\TarD899.tmp
    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

    411KB

    MD5

    7496bbc40f0f74d635e462b6612f4bd8

    SHA1

    94716770a25218f8ae003676f3adb7658d6f82d2

    SHA256

    47d63cef57b01c0e8757d488e54a3838571766765d4b5044273152feda8ec994

    SHA512

    fce886c258a5eacc17208973cd4258cb0d2510204d07ce09ea860d087c29d6c32b2f15e19150914cecbd75a4e471c06f10cfd08a2b888d78dad2abc8771b761c

  • memory/2100-1-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/2100-5-0x0000000000230000-0x0000000000253000-memory.dmp
    Filesize

    140KB

  • memory/2100-14-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/3048-7-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/3048-9-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/3048-73-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB