Resubmissions

24-08-2023 11:16

230824-nda8msdf8z 10

05-08-2023 22:52

230805-2tn2bsfa82 10

24-07-2023 06:25

230724-g6s6laag35 10

22-07-2023 15:57

230722-tee6wabg5w 10

20-07-2023 23:19

230720-3bb5gsbf5v 10

20-07-2023 23:06

230720-23f23sba63 10

03-02-2021 11:43

210203-6bgge2nfan 10

22-11-2020 06:42

201122-6x1at779dj 10

Analysis

  • max time kernel
    303s
  • max time network
    319s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    03-02-2021 11:43

General

  • Target

    Endermanch@Illerka.C.exe

  • Size

    378KB

  • MD5

    c718a1cbf0e13674714c66694be02421

  • SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

  • SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

  • SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

Malware Config

Signatures

  • UAC bypass 3 TTPs
  • Executes dropped EXE 9 IoCs
  • Checks whether UAC is enabled 1 TTPs 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 169 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • System policy modification 1 TTPs 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Endermanch@Illerka.C.exe
    "C:\Users\Admin\AppData\Local\Temp\Endermanch@Illerka.C.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\930645675\Q42D22E1I05Q8UX6H16.exe
      "C:\Users\Admin\AppData\Local\Temp\930645675\Q42D22E1I05Q8UX6H16.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:4448
    • C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Z23I56N6F03U7NH7W03.exe
      "C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Z23I56N6F03U7NH7W03.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System policy modification
      PID:380
    • C:\Users\Admin\AppData\Local\Temp\Low\F88H21J0E36M6GC8F06.exe
      "C:\Users\Admin\AppData\Local\Temp\Low\F88H21J0E36M6GC8F06.exe"
      2⤵
      • Executes dropped EXE
      PID:1856
    • C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\E87B35O4B36E4QH1A08.exe
      "C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\E87B35O4B36E4QH1A08.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System policy modification
      PID:4620
    • C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\N52Z63J7Q37B5HP0T51.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\N52Z63J7Q37B5HP0T51.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System policy modification
      PID:4480
    • C:\Users\Admin\AppData\Local\Temp\acrocef_low\B62X15H0K78P4SF4J86.exe
      "C:\Users\Admin\AppData\Local\Temp\acrocef_low\B62X15H0K78P4SF4J86.exe"
      2⤵
      • Executes dropped EXE
      PID:4424
    • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\W74Z60I3F34D0XE8Q80.exe
      "C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\W74Z60I3F34D0XE8Q80.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:604
      • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\B67E28M4P71X5TA0Y07.exe
        "C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\B67E28M4P71X5TA0Y07.exe"
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1772
        • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요청서\D85P52P5T52O4JK6K60.exe
          "C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요청서\D85P52P5T52O4JK6K60.exe"
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • System policy modification
          PID:2384

Network

MITRE ATT&CK Matrix ATT&CK v6

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\930645675\Q42D22E1I05Q8UX6H16.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\930645675\Q42D22E1I05Q8UX6H16.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\Low\F88H21J0E36M6GC8F06.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\Low\F88H21J0E36M6GC8F06.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\N52Z63J7Q37B5HP0T51.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\N52Z63J7Q37B5HP0T51.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\W74Z60I3F34D0XE8Q80.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\W74Z60I3F34D0XE8Q80.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\B67E28M4P71X5TA0Y07.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\B67E28M4P71X5TA0Y07.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요청서\D85P52P5T52O4JK6K60.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요청서\D85P52P5T52O4JK6K60.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\acrocef_low\B62X15H0K78P4SF4J86.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\acrocef_low\B62X15H0K78P4SF4J86.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Z23I56N6F03U7NH7W03.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Z23I56N6F03U7NH7W03.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\E87B35O4B36E4QH1A08.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\E87B35O4B36E4QH1A08.exe
    MD5

    c718a1cbf0e13674714c66694be02421

    SHA1

    001d5370d3a7ee48db6caaecb1c213b5dfdf8e65

    SHA256

    cde188d6c4d6e64d6abfdea1e113314f9cdf9417bca36eb7201e6b766e5f5a7f

    SHA512

    ba0ddff47b618740dfcb63024435c36d895889dd3cf6b4559969283ba8100e8063f5c7767e56dfab67a2b5c96e4ae22e141e5b09e81be5cec9aa7ca7827b4b8a

  • memory/380-10-0x0000000000000000-mapping.dmp
  • memory/380-16-0x0000000002C20000-0x0000000002C21000-memory.dmp
    Filesize

    4KB

  • memory/604-31-0x0000000000A90000-0x0000000000A91000-memory.dmp
    Filesize

    4KB

  • memory/604-28-0x0000000000000000-mapping.dmp
  • memory/1772-32-0x0000000000000000-mapping.dmp
  • memory/1772-36-0x0000000002FD0000-0x0000000002FD1000-memory.dmp
    Filesize

    4KB

  • memory/1856-13-0x0000000000000000-mapping.dmp
  • memory/1856-20-0x0000000002CA0000-0x0000000002CA1000-memory.dmp
    Filesize

    4KB

  • memory/2384-35-0x0000000000000000-mapping.dmp
  • memory/2384-39-0x0000000002210000-0x0000000002211000-memory.dmp
    Filesize

    4KB

  • memory/4424-7-0x0000000000000000-mapping.dmp
  • memory/4424-12-0x0000000002190000-0x0000000002191000-memory.dmp
    Filesize

    4KB

  • memory/4448-4-0x0000000000000000-mapping.dmp
  • memory/4448-11-0x00000000007B0000-0x00000000007B1000-memory.dmp
    Filesize

    4KB

  • memory/4480-24-0x0000000000950000-0x0000000000951000-memory.dmp
    Filesize

    4KB

  • memory/4480-17-0x0000000000000000-mapping.dmp
  • memory/4620-21-0x0000000000000000-mapping.dmp
  • memory/4620-27-0x00000000014D0000-0x00000000014D1000-memory.dmp
    Filesize

    4KB

  • memory/4792-3-0x00000000026E3000-0x00000000026E5000-memory.dmp
    Filesize

    8KB

  • memory/4792-2-0x00000000026E0000-0x00000000026E1000-memory.dmp
    Filesize

    4KB