Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 22:48

General

  • Target

    malicious.zip

  • Size

    1.8MB

  • MD5

    6e21499d32f36f93fa176f38fb4b9b77

  • SHA1

    63136b30330cf86527a87f986c5eb5dffaba66f6

  • SHA256

    4f39c7599a824ba6f9698eb2ccf780ee4aa30a427ea3b8acc4254916068e07d4

  • SHA512

    5d665ce32e9fedc302c0487fc49c5f808f47e6fae7628926498931e50d98d03ff3d0ee5fb8cf0fa7c0c3a2b54e2f18d19a376ad9284b06433b9154b9d09dbe0c

  • SSDEEP

    49152:R5BZHSCcUzdE+vpwuSXg3Hbr0ntqYHqcB:R57RniuSXQ7r0tqYKY

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 6 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Mystic family
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Redline family
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 35 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\malicious.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\7zO8EB67186\malicious.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO8EB67186\malicious.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yt8ge85.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yt8ge85.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\GY4IC43.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\GY4IC43.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2840
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hE8Zq97.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hE8Zq97.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1700
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Zn59od7.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1Zn59od7.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2780
              • 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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2648
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 280
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:2476
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2PO9885.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2PO9885.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2816
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:532
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 280
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:2000
          • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3FD62NB.exe
            C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\3FD62NB.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            PID:1984
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2188
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 280
              6⤵
              • Loads dropped DLL
              • Program crash
              PID:2064
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ii975UD.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ii975UD.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          PID:2112
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 280
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zO8EB67186\malicious.exe

    Filesize

    1.8MB

    MD5

    18cbe55c3b28754916f1cbf4dfc95cf9

    SHA1

    7ccfb7678c34d6a2bedc040da04e2b5201be453b

    SHA256

    248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b

    SHA512

    e1d4a7ab164a7e4176a3e4e915480e5c60efe7680d99f0f0bcbd834a4bec1798b951c49ef5c0cca6bea3c2577b475de3c51b2ef1ae70b525d046eb06591f7110

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Yt8ge85.exe

    Filesize

    1.7MB

    MD5

    847ee3021803e4adaefcc00aa8283017

    SHA1

    87644df0985b5ef9791c72ce79f423350629659e

    SHA256

    4611614d9c95b0d0e4bf4aa486cc700db6e49dbef7fa2726b20f165e6798a9f7

    SHA512

    1aaea476c061160439439d2dadc05e451166faa5614ccf8960b592df6933d07c867ab8813c08026b8b2c35b20b03dc0d26641e228fe06cff8c4938367e515b38

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\4Ii975UD.exe

    Filesize

    1.8MB

    MD5

    cfbb3be155b12d0cc69e3d932fbb81eb

    SHA1

    fb5ed48a80131043c4dd2e4ac69b4b38578f9753

    SHA256

    fd37c07f519f522eb717a372299525f667439b8b0d1aaffb670a011dbbcd58f2

    SHA512

    38aadedee5bd57c7f475e96d74abbb0e671bca462c2c700b7a034e2d1513bd8aebc30b7b75bf1e8cd7b7e3a831e69d5dd0ceaee3d18ed296a2cb3d1b051164cc

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\GY4IC43.exe

    Filesize

    1.2MB

    MD5

    252043d1805587b0e65a07f885d6719e

    SHA1

    2210de44be60ba496ea5d4068e715c1308066989

    SHA256

    66839bc22b9c9f717198cf8faa64146fe95dff51dfbb8c0f61982f2e50e89557

    SHA512

    dbcdb0b6fe37cf2c733b6683c2e245008400c84b59450f34a794e513955aaf392982e20f2eb2fce696eec2574fe15f699841748a21fce6a1e20a4381fd52f950

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\3FD62NB.exe

    Filesize

    1.6MB

    MD5

    7d377f5e1ba6597ff2cfe4f92639367d

    SHA1

    188ab803c9926ff3448c458030f418099ea03407

    SHA256

    c705efd2888dfbede96714b58aede50a28b3da45aba83a909cb104ce34dc735e

    SHA512

    2adad69f3a358ad955b00c8d7826c396feef9d583407d4c7d53ce3e16ed760f148f553f49df5bbcd6c5c68b87bcf7e1472d3c789946b23dab7ae94b4036540e6

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\hE8Zq97.exe

    Filesize

    725KB

    MD5

    403a939a04b4384204d35dbc659bf772

    SHA1

    a5424bc4b18c00fd261d71861fad75502a963397

    SHA256

    75d5ae4d95b66cb33ccb1b8c39adda5b287ab6c44b11aa42b8f3351024fce1fc

    SHA512

    860d17990d95694bd7e799b22e6af6fd93a20276439829e945f9aff079b6c708851e8b3e55200b8ef97d41d91608911a414b4a69c26e5593b9b4ca8a134ddbe8

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1Zn59od7.exe

    Filesize

    1.8MB

    MD5

    ca7a5693b5b0e8b54d6dad6a5b1b86b5

    SHA1

    49da08ec9be5e002b0d22dd630182c3a905c76c7

    SHA256

    2d66fdf0417c3d3612015ff191a2010f78fffda1b1f2ed7682181ed7c8fa7c12

    SHA512

    68ac5c2bb689bbfc903cd2a13fe9ecf998b442690ef41d88f611ce40cb8cca1d795099cd40bc7f5325203e6314baf6a537d8369be78ecb1703f8cfc75cf26158

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2PO9885.exe

    Filesize

    1.7MB

    MD5

    144dc3c0a5275a93ff86f00b5c61b9ec

    SHA1

    784168ab3c4711737656ca13dc4cb59ca267fa45

    SHA256

    179649325e561f83a53c5cba99cd8f1f589064c8d0f2029fb8e06f61ae986787

    SHA512

    9af6a9870077621eb046d6fed0fac88eba35edd4cd5e60f49c46018ab633d5cc77ddb9a93886178544198099a4e3b20726a32729ec9d1cf89524b4a579afb783

  • memory/532-120-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-130-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-114-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-116-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-118-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-122-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-124-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-127-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/532-128-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/644-175-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2188-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2188-146-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2648-58-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-80-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-98-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-96-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-94-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-92-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-90-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-88-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-86-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-84-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-82-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-102-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-104-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-100-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-78-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-77-0x00000000004D0000-0x00000000004E6000-memory.dmp

    Filesize

    88KB

  • memory/2648-76-0x00000000004D0000-0x00000000004EC000-memory.dmp

    Filesize

    112KB

  • memory/2648-75-0x00000000002D0000-0x00000000002EE000-memory.dmp

    Filesize

    120KB

  • memory/2648-70-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-68-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-60-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-62-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-64-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-67-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2648-66-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-56-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB