Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:04

General

  • Target

    c1b0ce286b7a31d1ab1a8fca661afccb95aaaf56a8fa6b4a311da0a284b09351.exe

  • Size

    600KB

  • MD5

    520164b716b018381b9c742d869b32e4

  • SHA1

    c106a10d377bf9b4bb5a4fe99565e2a3805eca05

  • SHA256

    c1b0ce286b7a31d1ab1a8fca661afccb95aaaf56a8fa6b4a311da0a284b09351

  • SHA512

    fa004fa2f7170cd50a2ddca65dc26d9ab732ee6f1db843458215827f5ee26f102730e0bbf616276c42643224eef2205fc4d14238c9838d3cdd5a3c58e9316c9e

  • SSDEEP

    12288:bMrRy90DursHSHejS8J0CUKR/e7tRJKRoEXMp71vTkMFnhCF2ZR:+yppH6J1UqG7tXKqE81IMFnhd/

Malware Config

Extracted

Family

amadey

Version

3.87

Botnet

59b440

C2

http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/index.php

rc4.plain

Extracted

Family

redline

Botnet

mrak

C2

77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

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

  • Detect Mystic stealer payload 1 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • 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
  • Adds Run key to start application 2 TTPs 3 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 use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1b0ce286b7a31d1ab1a8fca661afccb95aaaf56a8fa6b4a311da0a284b09351.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b0ce286b7a31d1ab1a8fca661afccb95aaaf56a8fa6b4a311da0a284b09351.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9458983.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9458983.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0295738.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0295738.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2412
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b0591715.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b0591715.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4784
          • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
            "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4676
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
              6⤵
              • Creates scheduled task(s)
              PID:4520
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4568
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                7⤵
                  PID:4176
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "saves.exe" /P "Admin:N"
                  7⤵
                    PID:5024
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:R" /E
                    7⤵
                      PID:2952
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      7⤵
                        PID:4540
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "..\b40d11255d" /P "Admin:N"
                        7⤵
                          PID:4592
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:R" /E
                          7⤵
                            PID:724
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2486638.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2486638.exe
                      4⤵
                      • Executes dropped EXE
                      PID:5020
                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d2507380.exe
                    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d2507380.exe
                    3⤵
                    • Executes dropped EXE
                    PID:4032
              • 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=4232,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
                1⤵
                  PID:628
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:4788
                • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2560

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9458983.exe

                  Filesize

                  475KB

                  MD5

                  152be6dc3e3ccd1bc9f0fdf2033e9a81

                  SHA1

                  e7432f9eb98748a8a68ce93b7ca363168c4c8677

                  SHA256

                  ca03e60732df4afd5969e84e6db30e11bab5c4fbcf618d0e915f837674239246

                  SHA512

                  930c35ce01fcdbb27b4df2f03aa9e1d67b365e6dd68688b6931fc116a68c5280ad0a41d1eda55ba385e0cf62298debe2cc619d0eeb9cf520f66eae08adf47670

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d2507380.exe

                  Filesize

                  173KB

                  MD5

                  b062d96eb919297b78f016956855fde0

                  SHA1

                  1ae84c34ea5a75c07b89b7915109f3a2dbcf5a77

                  SHA256

                  08dbb78c0f12265379a92a96f4b4c56525b38085980a01c9e0364b84ca0d9d0b

                  SHA512

                  6e4ae0b21e8c7ac12d690312af08a7dc5a0701b9f33ee5618fca61b69aa7366a5d7e477357e8d0f33aac0d39c6ac23836247368f652dfcfd96149cac1cc4ad8c

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0295738.exe

                  Filesize

                  320KB

                  MD5

                  93b72c415cc08f25749411c68039a944

                  SHA1

                  307e6bfd65f62bfe485975238b60e55ee5539873

                  SHA256

                  cf88419bd50abc18e7b3c7a3288d1976053683d619e8973b36f50f949f5668ab

                  SHA512

                  f84b302ac85c5aaf8109fb4de3211a2e9297fbead28480334583c5f9a8b6f3f06a04d4ceb54e480288191ebf96f0a6380802d229bc658f34385c1aa6caf682a6

                • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b0591715.exe

                  Filesize

                  336KB

                  MD5

                  0dfca66dc01e0314eb1c24296b05c7f4

                  SHA1

                  003e1a0aabbbfc82b46f08acdf3200aa38158fee

                  SHA256

                  74ea8eade0a55034b274686145a79a4d0c5dcadb49d233232abc546a16a096bc

                  SHA512

                  4822b911b57a95f3a280a89ecdb0ef5b93c068754183f42ed62517ba5e6a22f2fe96a67a7fc2aae0c0fd090dcfaf83d0461e015264ffbd0e46aeaa7dfef6ed4d

                • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2486638.exe

                  Filesize

                  141KB

                  MD5

                  14b0bdfb92cbae048a423d2481e2be43

                  SHA1

                  5848667a85645c2f1c25877d497fb035ea15a88d

                  SHA256

                  c41923a6b64bd19873de5721ba0ed69a826a70c02f72bd0520ac06be6afc3ec9

                  SHA512

                  50ff07350ae040c5c6c2df5c6dd4c8fc54ef0176519bcfd0307abb107743b7dc3ad6f490447a5d6cfe1b267a43e9c6de7a0d8430e06b71d8dbdae1ada243ea1b

                • memory/4032-36-0x00000000006D0000-0x0000000000700000-memory.dmp

                  Filesize

                  192KB

                • memory/4032-37-0x0000000001020000-0x0000000001026000-memory.dmp

                  Filesize

                  24KB

                • memory/4032-38-0x0000000005660000-0x0000000005C78000-memory.dmp

                  Filesize

                  6.1MB

                • memory/4032-39-0x0000000005150000-0x000000000525A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/4032-40-0x0000000005060000-0x0000000005072000-memory.dmp

                  Filesize

                  72KB

                • memory/4032-41-0x00000000050C0000-0x00000000050FC000-memory.dmp

                  Filesize

                  240KB

                • memory/4032-42-0x0000000005100000-0x000000000514C000-memory.dmp

                  Filesize

                  304KB