Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:55

General

  • Target

    26dae86d0011ac84e93abfd2169b28a6dee3498b8be9c3b84f657506d4e2a9a2.exe

  • Size

    1.0MB

  • MD5

    ba3d04982933c6b5e4050768f8d27f0b

  • SHA1

    3e7af9fd14b090eb598b58bc812338c23009db69

  • SHA256

    26dae86d0011ac84e93abfd2169b28a6dee3498b8be9c3b84f657506d4e2a9a2

  • SHA512

    5fb8eb13c25e277be1932963e05577779035e1792f5704196593a6d4ceeb60e09f222623ab81feba01fe6bf00bcdd1602f7943a80c7cbca2e32a30cbaf44dd96

  • SSDEEP

    24576:1yw7VWue42Icf3RTglp+BQ+Qkkpawj42cM/ov98jC:QwBWueVRTglo/PK/j41kov9a

Malware Config

Extracted

Family

amadey

Version

3.89

Botnet

fb0fb8

C2

http://77.91.68.52

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explonde.exe

  • strings_key

    916aae73606d7a9e02a1d3b47c199688

  • url_paths

    /mac/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.

  • Detects Healer an antivirus disabler dropper 1 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 11 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26dae86d0011ac84e93abfd2169b28a6dee3498b8be9c3b84f657506d4e2a9a2.exe
    "C:\Users\Admin\AppData\Local\Temp\26dae86d0011ac84e93abfd2169b28a6dee3498b8be9c3b84f657506d4e2a9a2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2754612.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2754612.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2645491.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2645491.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z6672216.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z6672216.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4632
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z8378150.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z8378150.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2000
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5871135.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5871135.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:3640
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                • Modifies Windows Defender Real-time Protection settings
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2012
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 136
                7⤵
                • Program crash
                PID:1988
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r4692845.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r4692845.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2304
              • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe"
                7⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4560
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN explonde.exe /TR "C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe" /F
                  8⤵
                  • Creates scheduled task(s)
                  PID:3644
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "explonde.exe" /P "Admin:N"&&CACLS "explonde.exe" /P "Admin:R" /E&&echo Y|CACLS "..\fefffe8cea" /P "Admin:N"&&CACLS "..\fefffe8cea" /P "Admin:R" /E&&Exit
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4636
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                    9⤵
                      PID:1452
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "explonde.exe" /P "Admin:N"
                      9⤵
                        PID:5040
                      • C:\Windows\SysWOW64\cacls.exe
                        CACLS "explonde.exe" /P "Admin:R" /E
                        9⤵
                          PID:1396
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                          9⤵
                            PID:5116
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\fefffe8cea" /P "Admin:N"
                            9⤵
                              PID:4628
                            • C:\Windows\SysWOW64\cacls.exe
                              CACLS "..\fefffe8cea" /P "Admin:R" /E
                              9⤵
                                PID:4080
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s7005503.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s7005503.exe
                        5⤵
                        • Executes dropped EXE
                        PID:3464
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3640 -ip 3640
                1⤵
                  PID:8
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3232
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:228
                • C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  C:\Users\Admin\AppData\Local\Temp\fefffe8cea\explonde.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1960

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z2754612.exe

                  Filesize

                  850KB

                  MD5

                  c751e10c732cc5bf2eedcd2813487ffa

                  SHA1

                  a3d13f13650262ff1841b53d58f59306a68f0708

                  SHA256

                  7c73768dbb0024a9cc70c99b0d8c6e02d7e9546d37e4b30179dad97261ba668b

                  SHA512

                  b78ed1fbce442eef74934fe2bdf59488a1d42495657726f25b5d4f2335c886d906125f822067381b9d78ee41a5c2af35404126029b799b6e82a1cfaa1f49bac1

                • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2645491.exe

                  Filesize

                  613KB

                  MD5

                  ae13e6504bf58173a6e6f18f0b9e8adb

                  SHA1

                  174be879f0787d5a9a2b310f5f27755ba6889687

                  SHA256

                  629b84c16cd202737daabf0edd413802d82a4d26ef52df5f80ff7b3fe2562444

                  SHA512

                  3dd36855231d62d0722f9e8dda8a169baf2c9af942afa32fc9945e22dc356111b8e84286764f6e950d19207d64b310a55e4d2890e375806c62fa67369b814bef

                • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z6672216.exe

                  Filesize

                  430KB

                  MD5

                  7fa33dd9b62bf389c6f5c8f8027fb626

                  SHA1

                  26a94ca327753dce3e15cf016650e4d7adc36256

                  SHA256

                  c60768d9b0e26029b68c6842a1c25ae2002775dbb2a5b073f739129dd5dd46e7

                  SHA512

                  6041ccbf52073e28dacf43122d843a258a84a81f2f8b0cab185ae2d152ee26a960f35acbe56ee97207cd292e87350a752a0522bef7a3444e639cccd2d41c6544

                • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\s7005503.exe

                  Filesize

                  176KB

                  MD5

                  3ec4ca9ae67ef1b895a8891c2e791d05

                  SHA1

                  d41d124081c0c52df171567143529442270526d0

                  SHA256

                  36d844c42437c1527fc2bef29ed66977108eefaf740720e3e2e3dfdf155710ff

                  SHA512

                  968456e047df706dce30a296f9a37a75919b42399dfd736fb4caa04d720975485790ee6f8564aaab7c35e9f3e6bef86e5fa4c872419d385d4ed8759c3c4c1c89

                • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z8378150.exe

                  Filesize

                  274KB

                  MD5

                  431affb77ccaa39b93ab4a151b823bc7

                  SHA1

                  93e38418ffa6dcd96b0e22d9639f946b44fe6384

                  SHA256

                  46556986ac5180d697f99a91a42f096e3d41f73622ec2320ee0a605a46372030

                  SHA512

                  7cb29c47742b8f6f66116f790116074e50dd7b2ecb07612361e7d7d3075380fc162be6cd25f9016fbb658fa400986849cd557f34cb3beeb5b8ce0182b3cc4fca

                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q5871135.exe

                  Filesize

                  135KB

                  MD5

                  78b0e7f4465d9703edfb15e42a706583

                  SHA1

                  5eb6ca47a581095ce3c641fb83d0569c78f74b2a

                  SHA256

                  d1e71fbaebc91ac288440e4ec92bc2e772cbfb3de71455198a4ffcbc7819483b

                  SHA512

                  ef80fd50943087dc408e0cc51fba6c060fe3d7f54936b7ab12ef07d08093c7d423b7424c675a1882b68d78ac9e4d06cb45f0360de8fe833e1ee59a85b1ba192c

                • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r4692845.exe

                  Filesize

                  221KB

                  MD5

                  12850cda424057e7028f2b8fc3acc611

                  SHA1

                  116a74f211cc77cd899b1e19df307fbd3e319d0a

                  SHA256

                  a2f6a0b068e2f33384c0ad8c0f4dd4be755005f5ca2598c7f52b1be4b39a58f5

                  SHA512

                  a606db4dcfdb410ade76087d61548e0820e6be9c8842b6d0cbf5c1c2a22a2e2ec532c273b242ca5aa7c3e68cc4417e1fbdd318c5d458166fc33cc1d8266ab152

                • memory/2012-35-0x0000000000400000-0x000000000040A000-memory.dmp

                  Filesize

                  40KB

                • memory/3464-51-0x0000000000E60000-0x0000000000E90000-memory.dmp

                  Filesize

                  192KB

                • memory/3464-52-0x0000000001550000-0x0000000001556000-memory.dmp

                  Filesize

                  24KB

                • memory/3464-53-0x0000000005E60000-0x0000000006478000-memory.dmp

                  Filesize

                  6.1MB

                • memory/3464-54-0x0000000005950000-0x0000000005A5A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/3464-55-0x00000000057E0000-0x00000000057F2000-memory.dmp

                  Filesize

                  72KB

                • memory/3464-56-0x0000000005880000-0x00000000058BC000-memory.dmp

                  Filesize

                  240KB

                • memory/3464-57-0x00000000058C0000-0x000000000590C000-memory.dmp

                  Filesize

                  304KB