Analysis

  • max time kernel
    149s
  • 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
    23-05-2024 17:46

General

  • Target

    aaf88983ad022d086513c9772cb520815581005e78de7f2ea63f2135933d34f6.exe

  • Size

    1.3MB

  • MD5

    1da52a515fcdb048ad76d7864464cfb0

  • SHA1

    e473f6794205d1deb62b752a3fc6ab1ee2b117ae

  • SHA256

    aaf88983ad022d086513c9772cb520815581005e78de7f2ea63f2135933d34f6

  • SHA512

    a2b3123a6f2693a9d5ebff9c23949cdd342ddf34e534c88a99e5e178cbb35d2e20e7dc79d61b2ededbde0a65bb04f06a4ef363842d60e06f05b8b2b92f581d40

  • SSDEEP

    24576:HyDpyG2BdeCmEa6MW0uUCfd5J45NAxLzlN/8C5Z23cHYKWKMxHbE1X9lr4:SmYCfMWDUskNoXM534YqMuB

Malware Config

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Signatures

  • Detect Mystic stealer payload 3 IoCs
  • 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
  • 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 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 8 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aaf88983ad022d086513c9772cb520815581005e78de7f2ea63f2135933d34f6.exe
    "C:\Users\Admin\AppData\Local\Temp\aaf88983ad022d086513c9772cb520815581005e78de7f2ea63f2135933d34f6.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5832951.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5832951.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2254232.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2254232.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5024
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8380457.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8380457.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6776859.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6776859.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1164
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4942427.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4942427.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1212
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:2780
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 148
                6⤵
                • Program crash
                PID:1660
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5470569.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5470569.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4744
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              5⤵
                PID:748
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                5⤵
                  PID:3048
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  5⤵
                    PID:4140
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                    5⤵
                    • Checks SCSI registry key(s)
                    PID:3860
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 612
                    5⤵
                    • Program crash
                    PID:4344
              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d4457621.exe
                C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d4457621.exe
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1000
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  4⤵
                    PID:1036
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 148
                    4⤵
                    • Program crash
                    PID:3772
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\e8864796.exe
                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\e8864796.exe
                2⤵
                • Executes dropped EXE
                PID:4732
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1212 -ip 1212
              1⤵
                PID:764
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4744 -ip 4744
                1⤵
                  PID:3404
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1000 -ip 1000
                  1⤵
                    PID:2316

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\e8864796.exe

                    Filesize

                    17KB

                    MD5

                    de9367f72e48f43edc2f1979ace7a2bc

                    SHA1

                    5219e61d941a421315e32eabc7ac9c3944f80181

                    SHA256

                    c7b26d2ebb210eca38eed90eefe474b254f53dca6496fd044a87ccfe7bbe6c86

                    SHA512

                    7a3d286cae4bb3816dd1af0bb46ea6591568c28ca8cee0eb5aeb1caafb6886476183159041d367201077d8ab2d22be827af5e95ca39eedb457e01ba9be4c768e

                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5832951.exe

                    Filesize

                    1.2MB

                    MD5

                    eb4f12e3eb5a61a3cc43c606b04e85fb

                    SHA1

                    2955eac7466e41dfb9d70ccb708eab600b1b2d9a

                    SHA256

                    be58893697215a2384e1b6d915971e46a6506757718ff8d92be24e4c043f119e

                    SHA512

                    82ee482088c38ca825ce89a41a10fa17be3664a8856f2897a7588a4d2e69030b19bc7003062599158c988d890308688dd2ed82a41b70aafaf51a67f17b2146c8

                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\d4457621.exe

                    Filesize

                    1.0MB

                    MD5

                    1b30e2b46651a132dce68651e98312de

                    SHA1

                    f98fe544db67756111c5f49dfce5ee748a933c61

                    SHA256

                    1374fb694ed022d7cc221b2bdab447cb28368914ad2e0715c663de26001fe541

                    SHA512

                    bba3099f9d12ba4f1e5c2513bb2cbb918b170e678f536ad21f6e8e7f127cc35082a2394957d4d3c7311a80b56c59c3c0ee1db158fac4f79e1f60bd5bb84b3ffb

                  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2254232.exe

                    Filesize

                    835KB

                    MD5

                    77da02fd3836daf3a716b5f15188c8a6

                    SHA1

                    644abdb953e857a803ad5d7edc9a2f25949cac92

                    SHA256

                    01888d19433a22cf8d9fb00c2617568e9423878c9a189e2f8fc8ea51b70a90ab

                    SHA512

                    ae9a1a729178db70ea86ae355f0be777d94f7390473aad2fd5afc4971fbc7198e5a76391b6f406861648c29654855195134bcfdc67f593ef7e372b81def622e1

                  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c5470569.exe

                    Filesize

                    884KB

                    MD5

                    f9ebf61a1a4bfd8251d830ce1959b4a3

                    SHA1

                    b13e8f00d0438f8304c6c1da3549977e0803287e

                    SHA256

                    20a34a5b3ea0182f831dbc7b48ea03223daeb2afdd3540fcaef6cca6fe2972b9

                    SHA512

                    00c336e2de833be8d227994644cd2cbcf665d7f36aa93de0647ddc67bb5a80098aadc902ac71d0953dccae2bfb109ec1a6e0d581949833a9346331a3ed732db8

                  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v8380457.exe

                    Filesize

                    475KB

                    MD5

                    8414aa5388c54ecc9045c0fc78b7b3bd

                    SHA1

                    8ca702c68c1b6dd02e8f4759e13e102e91ea23eb

                    SHA256

                    8bbd0f18ff7becb8601892364ac8a96951b915493898de58e5e9b43c906c814a

                    SHA512

                    6469e5953798db16ac294588b0febc10af3af74c2fadd006cf6920cc993a6bec77cb91e416f551598671fedf13587550f33600342e18dafa56e838aaa60cbc2c

                  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6776859.exe

                    Filesize

                    11KB

                    MD5

                    40366aa5d4e7524ca65f8188a6c13b2e

                    SHA1

                    b5d52afb53bb31d7aea23bd1c89b98820ab8e329

                    SHA256

                    f34d4e4cb5012c143d25055a9b7a899ddbfbd5e88c6fb3979bb382a3f5b1b69b

                    SHA512

                    7bffbd6f30f4b0b15cd4e27152e6ec46ad3efc25e3b47318d3e893f6ec7f2336107e03d091660c660e79844e5b49d804b993093b7bd09c726a21d4ff37c977a3

                  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4942427.exe

                    Filesize

                    1.0MB

                    MD5

                    fc4c90f9a7556f7f9d380000559aa293

                    SHA1

                    c558b17befdd5747afe5552ff0676f15299efe44

                    SHA256

                    5d2f8086eaf672566d2b7950b0681773ba7568b742e4d6c05657af9192b103ac

                    SHA512

                    f4f9ef3694fef80e5702d1a97b8bd6d335c6042998ad51267c67a13b40901613001971d9b0379e0ae8da7f47808db7ca7d617d04979b0d9cd551383c5f6f8082

                  • memory/1036-49-0x000000000B400000-0x000000000BA18000-memory.dmp

                    Filesize

                    6.1MB

                  • memory/1036-44-0x0000000000400000-0x0000000000430000-memory.dmp

                    Filesize

                    192KB

                  • memory/1036-45-0x0000000003240000-0x0000000003246000-memory.dmp

                    Filesize

                    24KB

                  • memory/1036-50-0x000000000AEF0000-0x000000000AFFA000-memory.dmp

                    Filesize

                    1.0MB

                  • memory/1036-51-0x000000000AE00000-0x000000000AE12000-memory.dmp

                    Filesize

                    72KB

                  • memory/1036-52-0x000000000AE60000-0x000000000AE9C000-memory.dmp

                    Filesize

                    240KB

                  • memory/1036-53-0x00000000053A0000-0x00000000053EC000-memory.dmp

                    Filesize

                    304KB

                  • memory/1164-28-0x00000000000F0000-0x00000000000FA000-memory.dmp

                    Filesize

                    40KB

                  • memory/2780-36-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/2780-34-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/2780-33-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/3860-40-0x0000000000400000-0x0000000000409000-memory.dmp

                    Filesize

                    36KB