Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 13:20

General

  • Target

    4250b0250d540350db8a017ad70a9992b46d70a0d5ab9438c3c0597af56f27ee.exe

  • Size

    390KB

  • MD5

    2d00f96e74fa01be6c570782f56ca124

  • SHA1

    17ed1713ade7f79ea2ed1bb9130871ca56b0c072

  • SHA256

    4250b0250d540350db8a017ad70a9992b46d70a0d5ab9438c3c0597af56f27ee

  • SHA512

    6b359ebae2e3607603393e1ff2d950987194e77089ef6dee3513b17defc0c0d20950ce3554e76e68500e4b4ed23138bfdc922088881958a1dfe0a9c65e416575

  • SSDEEP

    6144:KWy+bnr+rp0yN90QE0PZI9HwPGTICcWt4JZe6vzwYFeXx3Rhye2coLju:SMrvy90iXVztj1MNSeB+S

Malware Config

Extracted

Family

amadey

Version

3.86

C2

http://5.42.92.67

Attributes
  • install_dir

    ebb444342c

  • install_file

    legola.exe

  • strings_key

    5680b049188ecacbfa57b1b29c2f35a7

  • url_paths

    /norm/index.php

rc4.plain

Extracted

Family

redline

Botnet

lande

C2

77.91.124.84:19071

Attributes
  • auth_value

    9fa41701c47df37786234f3373f21208

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 8 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\4250b0250d540350db8a017ad70a9992b46d70a0d5ab9438c3c0597af56f27ee.exe
    "C:\Users\Admin\AppData\Local\Temp\4250b0250d540350db8a017ad70a9992b46d70a0d5ab9438c3c0597af56f27ee.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4763657.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4763657.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1280327.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1280327.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4524
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1561163.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1561163.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2244
        • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
          "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1996
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN legola.exe /TR "C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:2032
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "legola.exe" /P "Admin:N"&&CACLS "legola.exe" /P "Admin:R" /E&&echo Y|CACLS "..\ebb444342c" /P "Admin:N"&&CACLS "..\ebb444342c" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4836
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:4796
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "legola.exe" /P "Admin:N"
                6⤵
                  PID:5032
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "legola.exe" /P "Admin:R" /E
                  6⤵
                    PID:4344
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:2788
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\ebb444342c" /P "Admin:N"
                      6⤵
                        PID:4960
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\ebb444342c" /P "Admin:R" /E
                        6⤵
                          PID:3520
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t1649035.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t1649035.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1064
              • 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=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1300 /prefetch:8
                1⤵
                  PID:1236
                • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2160
                • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1180
                • C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  C:\Users\Admin\AppData\Local\Temp\ebb444342c\legola.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3004

                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\t1649035.exe
                  Filesize

                  174KB

                  MD5

                  6031d2b63a9ba8752c1f761f764435a8

                  SHA1

                  ccbe4b4cc1ca749608ad0b5a9ba77b66e414cede

                  SHA256

                  c4d3bee83333cdf60f6d329c2583643db4439db62583a5fa2d4eff17a1ae13e3

                  SHA512

                  9fe233a0c6f44ad8ff160c007c6d81484e9afffdcbc707285594f9965821a961fe28754b4da2f5e34884abadbf00f5b347825450541d199700de9ff94b2c7bd8

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4763657.exe
                  Filesize

                  234KB

                  MD5

                  d9607af6726ade173eff154940caf1b6

                  SHA1

                  d083816e1455d9b2964d007c9344f8739a26952a

                  SHA256

                  0d7b7b2df1c4380d28f39f6d1bf4574c393658df66eb6ae7e4da82556bf3d9a4

                  SHA512

                  94cf37a2428dab11a6678987787e84cf67314aa74a5dff6b1457be180c3b7c0cf59371a538c2be4e20af34177c533d911008baf10067e610a46affb5620e289c

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p1280327.exe
                  Filesize

                  13KB

                  MD5

                  e3e75031d0e39505ed432a196cc418f5

                  SHA1

                  13fad2d1ed1a5d2d47397a3d7ee024061bc3a690

                  SHA256

                  0b7746585a83c221a064e3a81bd9885cdbb10de4bf3f3d0fd44421ecce838c48

                  SHA512

                  a46b44977b3e58e07ef67945ef72980d8fe5bceaf86f86e27173f6c96d4bda5cc8d8ddeac90eb417ee17427afba414abe570f26d18aee525fa8802eb64a2855a

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1561163.exe
                  Filesize

                  224KB

                  MD5

                  eb3b429d21756dbe557fc8bcd82f4d64

                  SHA1

                  e621b5506d1d54d5fadef00aba0985d157e4b3fb

                  SHA256

                  779ef2f7698e7d637ff300bab9f7180aa4381bf7889d29dfc596a9298fa33887

                  SHA512

                  7209c8d47d7923841002af9b9517fa14b375fb4f4dce238d12091e1ef8baf47215f30762e24f4e0a479454a95d105e060ac70227baabfc72ca7cf2355f03b3e4

                • memory/1064-36-0x0000000005620000-0x000000000572A000-memory.dmp
                  Filesize

                  1.0MB

                • memory/1064-33-0x00000000009E0000-0x0000000000A10000-memory.dmp
                  Filesize

                  192KB

                • memory/1064-34-0x0000000002D70000-0x0000000002D76000-memory.dmp
                  Filesize

                  24KB

                • memory/1064-35-0x0000000005B30000-0x0000000006148000-memory.dmp
                  Filesize

                  6.1MB

                • memory/1064-37-0x00000000053A0000-0x00000000053B2000-memory.dmp
                  Filesize

                  72KB

                • memory/1064-38-0x0000000005510000-0x000000000554C000-memory.dmp
                  Filesize

                  240KB

                • memory/1064-39-0x0000000005550000-0x000000000559C000-memory.dmp
                  Filesize

                  304KB

                • memory/4524-15-0x0000000000290000-0x000000000029A000-memory.dmp
                  Filesize

                  40KB

                • memory/4524-14-0x00007FFCC25D3000-0x00007FFCC25D5000-memory.dmp
                  Filesize

                  8KB