Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 14:02

General

  • Target

    c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe

  • Size

    1.2MB

  • MD5

    7d57b9e5ff073b06d62cea316f77e6c8

  • SHA1

    4c278f1c0ca982da691ad5cf0e0bdf35df43398e

  • SHA256

    c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788

  • SHA512

    5d90ec0db399769d744fccba0120bc63d6b7e4e852e0b02df27def04d2e7a9a307a20d7c667de1daab6077c5c8c826f559508a60c11e5e8990da51c3f9d5e7c8

  • SSDEEP

    24576:xyjZtJ0RMymoUv1LUyJXL3YXYDjduCDZZMwPs3:kjZz0ePoUvKoLSipDZZMwU

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Signatures

  • Detect Lumma Stealer payload V4 4 IoCs
  • Detect Mystic stealer payload 6 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • 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 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 20 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe
    "C:\Users\Admin\AppData\Local\Temp\c3ca3799150177eddce80d6eaf8905f29b02c31651f565a913690b83ba36a788.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wJ0fd45.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wJ0fd45.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2572
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2732
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:2636
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2524
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                6⤵
                  PID:2812
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 268
                    7⤵
                    • Program crash
                    PID:1700
            • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe
              C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              PID:800
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                5⤵
                  PID:576
            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\5bm5qH5.exe
              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\5bm5qH5.exe
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks SCSI registry key(s)
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              PID:1748
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6qJ9Tv5.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\6qJ9Tv5.exe
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:2040

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\4nN703ND.exe
          Filesize

          724KB

          MD5

          0e634b03cd7c3c28376c6827ba622bed

          SHA1

          086b92b865a929f5e46e8bcb63af56ba5fdae551

          SHA256

          d0b66e11cc4db7ddb80bdaec5c0147f9c77f418904843fb6bf26da594be2430e

          SHA512

          9c28317a13f0edefcc586a946c464b78b21582cc155a0bb08097b8b8515a88d32c222279970440028167cea8df4fa982a90e6962372727afbe0e6ace360c93b5

        • \Users\Admin\AppData\Local\Temp\IXP000.TMP\6qJ9Tv5.exe
          Filesize

          189KB

          MD5

          f4af3a9bb5b128ea7f4a49016ae8de1f

          SHA1

          77e47932af41b3af5bfff73d2a4c9773dc224f0d

          SHA256

          195fa6ff08dd55ff8f112c0323885bc06e1d28ce38edae26cce1e33b23337ff1

          SHA512

          1067017da68040e8e1eab228773c37cba180731f8792462d94e1e52cc12eb63e5306b3ffbc1fb4f0047a9d29e8a060649b5914bb25ece9c2c37b75e143c50df2

        • \Users\Admin\AppData\Local\Temp\IXP000.TMP\wJ0fd45.exe
          Filesize

          1020KB

          MD5

          2c277e93930fdf344061b9de61da43fd

          SHA1

          19deab510aff019844306bd8e8382764cdb31044

          SHA256

          8e5bdce1b78f27ce3332001426b1d1f1e332f122fe11506ed12e7c1994ea6143

          SHA512

          db960983d0b8c99b2434147e27cb433e1206a8cb4aca871f804d1eee615f569141fcbb6bad927fac53f99429c0fe5716a53aefde398312a404c604d86e77233a

        • \Users\Admin\AppData\Local\Temp\IXP001.TMP\5bm5qH5.exe
          Filesize

          37KB

          MD5

          b938034561ab089d7047093d46deea8f

          SHA1

          d778c32cc46be09b107fa47cf3505ba5b748853d

          SHA256

          260784b1afd8b819cb6ccb91f01090942375e527abdc060dd835992d88c04161

          SHA512

          4909585c112fba3575e07428679fd7add07453e11169f33922faca2012d8e8fa6dfb763d991c68d3b4bbc6e78b6f37d2380c502daada325d73c7fff6c647769b

        • \Users\Admin\AppData\Local\Temp\IXP001.TMP\bL8eQ94.exe
          Filesize

          894KB

          MD5

          b2e12a91c45628da38bda44827b28c85

          SHA1

          e1c0b727d1c4f30bd7082fbd435625375e1e4726

          SHA256

          99c587206075544ce20344ba152632324dc3474f183d572e4f3915021ff92ae0

          SHA512

          771727e0820e143a579d3b4b0d34bb02b10818a6017a7a9cb9b52c9f597817d068a4a3e841740091d9fba0c21894a1c5e99ba9c6f53ee9098bd6a4a7ad75a888

        • \Users\Admin\AppData\Local\Temp\IXP002.TMP\eJ0Un33.exe
          Filesize

          431KB

          MD5

          c1569c5d9cd8d2de907c09f8e295a575

          SHA1

          15320dccccb378a900b0edb20b0305138a060e1d

          SHA256

          ba299e3de116ce40ca647721f90927f02497e5d93a2617249dbaff6f8d30317b

          SHA512

          07631ec9e2ffcacd4fd8a462df285e85ffe0fff79f78727cafdd663c3fc09528535887c095b3b178ef4925b845e7ee94cec20d33952d1ac185c6999f64772c92

        • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2xV7880.exe
          Filesize

          415KB

          MD5

          394523fe5c26046b08d7bb19138a9106

          SHA1

          fdba9cd03ae4efc39be033654b7042b471219f54

          SHA256

          a89756fa3413156c01245e1e4b37658ea988e4836685d0d2b914351e89a68679

          SHA512

          e70623387ca8141ee22d394df30bff370a984988a2a69270624dfee23f2d2f86f69bc4d1b0802597f8cc1ca1654dd206c394248d413c0b635947c19cb1953ac2

        • \Users\Admin\AppData\Local\Temp\IXP003.TMP\3gR32Ml.exe
          Filesize

          378KB

          MD5

          5399d9e4522f87f272dc87f13d62a23c

          SHA1

          8fb9f17db86b086948cb2f17f00760fb5d29066e

          SHA256

          3ca8e335e9aa746e8d61d35e117bd4d05b8b6d68fc0da50c7cfeacf6cd9f69b2

          SHA512

          ac62cc79388fd01b5149c90a22b68b05c5b71fb07fdf91813b0bd18bb4688e513cc3dc5babc2779ded7e8300ca17bd1fef7c86127d6f6d768d0dbe49c661f882

        • memory/576-105-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-87-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-97-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-84-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-85-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-86-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-89-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/576-83-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/1192-107-0x0000000002A40000-0x0000000002A56000-memory.dmp
          Filesize

          88KB

        • memory/1652-98-0x00000000001E0000-0x00000000001EB000-memory.dmp
          Filesize

          44KB

        • memory/1652-102-0x00000000001E0000-0x00000000001EB000-memory.dmp
          Filesize

          44KB

        • memory/1748-108-0x0000000000400000-0x000000000040B000-memory.dmp
          Filesize

          44KB

        • memory/1748-103-0x0000000000020000-0x000000000002B000-memory.dmp
          Filesize

          44KB

        • memory/1748-106-0x0000000000400000-0x000000000040B000-memory.dmp
          Filesize

          44KB

        • memory/2040-117-0x00000000004E0000-0x0000000000500000-memory.dmp
          Filesize

          128KB

        • memory/2040-118-0x00000000020F0000-0x000000000210E000-memory.dmp
          Filesize

          120KB

        • memory/2636-50-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-52-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-43-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-44-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-45-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-47-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
          Filesize

          4KB

        • memory/2636-46-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2636-48-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/2812-67-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-63-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-62-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-64-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-65-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-66-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-79-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
          Filesize

          4KB

        • memory/2812-69-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB

        • memory/2812-71-0x0000000000400000-0x0000000000434000-memory.dmp
          Filesize

          208KB