Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:11

General

  • Target

    4f85c3e4ec4db9780db30f402a82cf4f34e6d0a934cf7eb35d8bdb58e46d06fe.exe

  • Size

    389KB

  • MD5

    076b99caf9477fedca25bffeae2cb79e

  • SHA1

    e225fe1511055fe06e101e5c83642334f338ef10

  • SHA256

    4f85c3e4ec4db9780db30f402a82cf4f34e6d0a934cf7eb35d8bdb58e46d06fe

  • SHA512

    b3ac41eb1a99d4c93ffb548fad34d4b696a08696913940b38738bbfee5c5bae5f7cf467447223e5fefd49bcb9666df3ffda45d20413cf31d8de4f3b173565c97

  • SSDEEP

    6144:KZy+bnr+Wp0yN90QEPf8b53ozQVRVtlSrZV3FB8+gBZ+t49DyLvbW3JC:fMryy90iF4ePtua+gBYC92zS30

Malware Config

Extracted

Family

amadey

Version

3.86

C2

http://77.91.68.61

Attributes
  • install_dir

    925e7e99c5

  • install_file

    pdates.exe

  • strings_key

    ada76b8b0e1f6892ee93c20ab8946117

  • url_paths

    /rock/index.php

rc4.plain

Extracted

Family

redline

Botnet

krast

C2

77.91.68.68:19071

Attributes
  • auth_value

    9059ea331e4599de3746df73ccb24514

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f85c3e4ec4db9780db30f402a82cf4f34e6d0a934cf7eb35d8bdb58e46d06fe.exe
    "C:\Users\Admin\AppData\Local\Temp\4f85c3e4ec4db9780db30f402a82cf4f34e6d0a934cf7eb35d8bdb58e46d06fe.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1539650.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1539650.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9650344.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9650344.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3036
        • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
          "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:884
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:1388
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2428
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:1232
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "pdates.exe" /P "Admin:N"
                6⤵
                  PID:3784
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "pdates.exe" /P "Admin:R" /E
                  6⤵
                    PID:2876
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1000
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\925e7e99c5" /P "Admin:N"
                      6⤵
                        PID:4860
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\925e7e99c5" /P "Admin:R" /E
                        6⤵
                          PID:1888
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h5556745.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h5556745.exe
                    3⤵
                    • Modifies Windows Defender Real-time Protection settings
                    • Executes dropped EXE
                    • Windows security modification
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1368
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1650565.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1650565.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2288
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4356,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=1404 /prefetch:8
                1⤵
                  PID:2192
                • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2400
                • C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2768

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Execution

                Scheduled Task/Job

                1
                T1053

                Persistence

                Create or Modify System Process

                1
                T1543

                Windows Service

                1
                T1543.003

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Privilege Escalation

                Create or Modify System Process

                1
                T1543

                Windows Service

                1
                T1543.003

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Defense Evasion

                Modify Registry

                3
                T1112

                Impair Defenses

                2
                T1562

                Disable or Modify Tools

                2
                T1562.001

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                2
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1650565.exe
                  Filesize

                  172KB

                  MD5

                  7cfe289cc131269ff2b40fdfde6c670f

                  SHA1

                  83302a6941440ac5a5238089ec5e5e62da6ab4b3

                  SHA256

                  b35a8da6031fe89e1fb12af16cb671326be596710875d393cfddd307983edd96

                  SHA512

                  5b2708615f5a03a7c83cc4039bf282232c17475d981a845a9d24ac62a0071d3397f9d66b42188a3de9e4d5c2d75481486582aa25139fc5ca456b4e47047102f1

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1539650.exe
                  Filesize

                  234KB

                  MD5

                  60c9ac22f934cb194be315d4e217ec70

                  SHA1

                  b581806ed57d0ba1d6d804de40fe3f67be03c4e6

                  SHA256

                  ed08c62b71f14577bb92da7d0afdbbe05944d69f3d16d1fd39d82f225162fada

                  SHA512

                  275aae3a0f51dc9d8bebe8c4167a737973fb34cd6a09769d0b9963f4d2b9d9f62f7f117ab347ca06336ca94b8f6ad1d0a4beb2dd709c17a34e64918e2bc07255

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9650344.exe
                  Filesize

                  223KB

                  MD5

                  aea234064483f651010cf9d981f59fea

                  SHA1

                  002ad73a666d2d92d0c6d6b617e61c6fa0c5f3a6

                  SHA256

                  58b02c8b4bc2bf7f5f1e8e45d7c206956f188ae56b648922ca75987b999db503

                  SHA512

                  eae415ef55aeb1b4548c2422a72e618fce17c2c1322918d33dc6b9202a01c743a5684ba28e5d83b6cdb2b703bc12569e6bb0e87ef2decb4e8a18592e1380a434

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h5556745.exe
                  Filesize

                  11KB

                  MD5

                  7e93bacbbc33e6652e147e7fe07572a0

                  SHA1

                  421a7167da01c8da4dc4d5234ca3dd84e319e762

                  SHA256

                  850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                  SHA512

                  250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

                • memory/1368-27-0x0000000000F70000-0x0000000000F7A000-memory.dmp
                  Filesize

                  40KB

                • memory/2288-32-0x0000000000130000-0x0000000000160000-memory.dmp
                  Filesize

                  192KB

                • memory/2288-33-0x0000000004950000-0x0000000004956000-memory.dmp
                  Filesize

                  24KB

                • memory/2288-34-0x000000000A4C0000-0x000000000AAD8000-memory.dmp
                  Filesize

                  6.1MB

                • memory/2288-35-0x0000000009FB0000-0x000000000A0BA000-memory.dmp
                  Filesize

                  1.0MB

                • memory/2288-36-0x0000000009EE0000-0x0000000009EF2000-memory.dmp
                  Filesize

                  72KB

                • memory/2288-37-0x0000000009F40000-0x0000000009F7C000-memory.dmp
                  Filesize

                  240KB

                • memory/2288-38-0x00000000022D0000-0x000000000231C000-memory.dmp
                  Filesize

                  304KB