Analysis

  • max time kernel
    147s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 13:14

General

  • Target

    8b549a868852eb291819180cd971dd7b163003efa16b8efacf685d2d5f879a5b.exe

  • Size

    390KB

  • MD5

    2e8378a779c529d72cae6f125711e88c

  • SHA1

    4b1d1bab9924629cc6b968efc89925468c90cdb9

  • SHA256

    8b549a868852eb291819180cd971dd7b163003efa16b8efacf685d2d5f879a5b

  • SHA512

    24dbf09588cf022952aabbd463efa15a209f9511fa20bbce46e8c24d785658449632d429dd30bac24750e0bc697be4b8b8dc0b217540195a0264a72f0957145e

  • SSDEEP

    6144:K3y+bnr+Kp0yN90QE5HRKn43pGULDIfkdamIgLWFlv1/ea+AFw5YMdc5bcg9xb:lMriy90rUn4zLDIcABv1x+kLiecgjb

Malware Config

Extracted

Family

amadey

Version

3.85

C2

http://77.91.68.3

Attributes
  • install_dir

    3ec1f323b5

  • install_file

    danke.exe

  • strings_key

    827021be90f1e85ab27949ea7e9347e8

  • url_paths

    /home/love/index.php

rc4.plain

Extracted

Family

redline

Botnet

nasa

C2

77.91.68.68:19071

Attributes
  • auth_value

    6da71218d8a9738ea3a9a78b5677589b

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b549a868852eb291819180cd971dd7b163003efa16b8efacf685d2d5f879a5b.exe
    "C:\Users\Admin\AppData\Local\Temp\8b549a868852eb291819180cd971dd7b163003efa16b8efacf685d2d5f879a5b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2466934.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2466934.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1028562.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1028562.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:440
        • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
          "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:496
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN danke.exe /TR "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:4544
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "danke.exe" /P "Admin:N"&&CACLS "danke.exe" /P "Admin:R" /E&&echo Y|CACLS "..\3ec1f323b5" /P "Admin:N"&&CACLS "..\3ec1f323b5" /P "Admin:R" /E&&Exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo Y"
              6⤵
                PID:3104
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "danke.exe" /P "Admin:N"
                6⤵
                  PID:1836
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "danke.exe" /P "Admin:R" /E
                  6⤵
                    PID:924
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    6⤵
                      PID:1892
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "..\3ec1f323b5" /P "Admin:N"
                      6⤵
                        PID:964
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\3ec1f323b5" /P "Admin:R" /E
                        6⤵
                          PID:1444
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3094357.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3094357.exe
                    3⤵
                    • Modifies Windows Defender Real-time Protection settings
                    • Executes dropped EXE
                    • Windows security modification
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5044
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1568602.exe
                  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1568602.exe
                  2⤵
                  • Executes dropped EXE
                  PID:376
              • 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 --mojo-platform-channel-handle=1044 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3752
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4640
                • C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3268

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\j1568602.exe

                  Filesize

                  173KB

                  MD5

                  45c91a14170a0e302dd52df2938617aa

                  SHA1

                  cc88a849ff3e75b46a2a0c4e7a69ede018ec254e

                  SHA256

                  1baba3253f3576a5314576f444a3353b4d6c5b34c3e296b8f9fc9d6c8264a1dd

                  SHA512

                  70c370676a4d3f7d95f640aa8894573eea2212d8a2b0da1b4a0a8ec3ac90fc23414fe8200feb156f30efceaba994c6ab2082216773a0d284f63d7dacb86f4b06

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2466934.exe

                  Filesize

                  234KB

                  MD5

                  15fb4786a2f674c7576ff4150828ae51

                  SHA1

                  71dc0a584da2277291d73acd6862ea5e187d0c10

                  SHA256

                  3f6b4f35bbb4e5e4a0af042fa4b811ecc1d56e4f74c435460ee9772b0149743e

                  SHA512

                  0211b2529bffb8ca57c01e6505e8af1788db85f7d691b367e1ffa0e4b5b368eb5e7176668cb7e0970ea20f4f1ce51f6ebbecfe1d85b915e393942b0a4b0ae32c

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g1028562.exe

                  Filesize

                  224KB

                  MD5

                  8c6b79ec436d7cf6950a804c1ec7d3e9

                  SHA1

                  4a589d5605d8ef785fdc78b0bf64e769e3a21ad6

                  SHA256

                  4e1377f9874f333dcb0b1b758e3131949e667fc39aadf3091e4e3b7cdbaeef1d

                  SHA512

                  06f2de433876963bb7bbddbe93cab0b7dd22164d1c10726294445944dcf5fa4a0fb450fc683c32565177a81a6103f6a5f11d291958bc7fcff7fdb9cf41a001ce

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h3094357.exe

                  Filesize

                  11KB

                  MD5

                  7e93bacbbc33e6652e147e7fe07572a0

                  SHA1

                  421a7167da01c8da4dc4d5234ca3dd84e319e762

                  SHA256

                  850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

                  SHA512

                  250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

                • memory/376-32-0x0000000000680000-0x00000000006B0000-memory.dmp

                  Filesize

                  192KB

                • memory/376-33-0x0000000004FA0000-0x0000000004FA6000-memory.dmp

                  Filesize

                  24KB

                • memory/376-34-0x000000000AAF0000-0x000000000B108000-memory.dmp

                  Filesize

                  6.1MB

                • memory/376-35-0x000000000A630000-0x000000000A73A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/376-36-0x000000000A570000-0x000000000A582000-memory.dmp

                  Filesize

                  72KB

                • memory/376-37-0x000000000A5D0000-0x000000000A60C000-memory.dmp

                  Filesize

                  240KB

                • memory/376-38-0x000000000A740000-0x000000000A78C000-memory.dmp

                  Filesize

                  304KB

                • memory/5044-27-0x0000000000070000-0x000000000007A000-memory.dmp

                  Filesize

                  40KB