Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-11-2024 20:09

General

  • Target

    2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe

  • Size

    3.8MB

  • MD5

    3ef3af23bc1cf2e9387548202296bf78

  • SHA1

    5b54b229bccc4071df18eed8d1910e11e8704fec

  • SHA256

    f5a1bb35256d27e0b6a4fb1328092433a0063422d9aed3d633cbbe0bf26fcb0c

  • SHA512

    47d80de4167ab270246a115a85f0b58c964bb9633b81934f6240e4a6804b190b9ce653cf8ca8d10dbdaf99f36b5d56f7dd07c275c89347da5ca0a8f74d952363

  • SSDEEP

    98304:p3h6d68gwIteZNiiPwVpaOU/jIEeQfoR/IuOFVjUu5:pR668aaELeFIF0wu

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

remcos

Botnet

ABILLION+NAIRA

C2

nzobaku.ddns.net:8081

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-S0L1LJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF892.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2972
    • C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Users\Admin\AppData\Local\Temp\._cache_2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3044
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2412
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2392
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D26.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1620
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2884
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:1872
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    3.8MB

    MD5

    3ef3af23bc1cf2e9387548202296bf78

    SHA1

    5b54b229bccc4071df18eed8d1910e11e8704fec

    SHA256

    f5a1bb35256d27e0b6a4fb1328092433a0063422d9aed3d633cbbe0bf26fcb0c

    SHA512

    47d80de4167ab270246a115a85f0b58c964bb9633b81934f6240e4a6804b190b9ce653cf8ca8d10dbdaf99f36b5d56f7dd07c275c89347da5ca0a8f74d952363

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    40872613d5d49b10675f1bc2de46254a

    SHA1

    cbb0c0009b8ff94357ba170993cd24dab8222e4d

    SHA256

    70089c52c5e4f65c6390418a6705b19d187963785c120511308e7f6929a7c474

    SHA512

    00157c1f43ff108871eb1d72257864ab742dceb5cb8a7dcad542cad7f6c5cf9e1e4682a44da70b132dd48ac2e8d7ddd93189ec797574d35ca317487783fdf759

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    21KB

    MD5

    bf34662790cc4c611597e2d3c1445cf0

    SHA1

    ec47fa6b2be454abcdd9bc48b0df1940885e88c8

    SHA256

    e985a36ef66be5c4ef48358d601714556c4de8282fa146c5fd2a15f41893c4ce

    SHA512

    738419672d9a098ac50412238902450ae2967d2eed8c975ca7cd303c0db1a5da70295e9ef3c4ba8b2a4ff473f67a072d8223110d888640f141a392c66313097f

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    25KB

    MD5

    a14af46b177bf915f25f501bba7a9a9b

    SHA1

    0ed772efdbce2057c43a37b07011373f76dafcbd

    SHA256

    e433ee233629e37c1fef76e65b0eb6b5081185f16a53270adf0e5798ff280b21

    SHA512

    c14ac926f3f1fb8fddfcdfab517569b99d61a010f2a7a78844320e667c7dd3c1e7b104665db425a9608a16a93e5cf5956491d3f6675dbcb837d7bde16637ee11

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    23KB

    MD5

    6ab3d6b4ce3e8c72c7da27b36557b8de

    SHA1

    da0a5625dbedc03a6c57043755ca5884f43f661f

    SHA256

    a0c8969f41eba5b599f0652a42b89ab7b4981d7548a59ca7324c68a93409518d

    SHA512

    2f92fdd13c482c8cfce907736b2282106cda9e6628df00f6b9baa28b8b1f1ab77539e43a6b3ae5a16bdb360f5bcbd3fbd530052b9baecba7f4a84d2f5728613f

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    21KB

    MD5

    5952afb8bc2445e1e51efbb7f7832bbe

    SHA1

    6534a99bf59faf3034f6b27316649bbec06cfe99

    SHA256

    1bfa292a7ef0783ef698ae3e84f15f10dcce8520c70ccd4d36f48a9e6c8cbad9

    SHA512

    4ad0e72d76ea3603dbd2e69a88de399f86a79d70a82cefa0c82694dfc9bd6c46b2594fa11afe19af4afe725d4d241767e54ea4b180c70bcc3170a37a23b2aabf

  • C:\Users\Admin\AppData\Local\Temp\2PEqLF1k.xlsm

    Filesize

    26KB

    MD5

    68f00c1f22639d51531f78ba64eea9ec

    SHA1

    05370be8733c8b0507b4b98be6b5999216fea8e2

    SHA256

    79c43a5e5723777baaa1508d73f3f7959bacd2458c5ced9e9680c5f3644b2f42

    SHA512

    47b4193e04778f182cf67e113ffc154f3d44409171eaad3f3e1a1a4a92adbce6bbf45a07f3f9b6f1adf56d5144640e33dd4c4394c86b85d834d8d3497dfae800

  • C:\Users\Admin\AppData\Local\Temp\tmpF892.tmp

    Filesize

    1KB

    MD5

    5fb6a0652b7d45085574a418df44d8a8

    SHA1

    d74e47d8da22f9c3f8780ca19f426e53303f7b96

    SHA256

    e265571eaa93cf7ced1d7ded82b61679c861b8b2cbd90b5d5149135b5d7c0c94

    SHA512

    90a8c52da6f9aaf3b3443b09a772e0c6308eee92c1fa40349808da91d0d1ff002fde4538dbaf94e5c7bf4b0fff8d267bf206dbab4f2498e13b895080b8a07203

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    b3f944974809c9dce4eaaa1978d4b823

    SHA1

    3705f7d5be51a825ef1a0b4813aa0a24a488d27d

    SHA256

    451e9cb973ec9f9f0b752d3ebcc8f727a0f7c2b21979a0fe1e1d55ea58c07719

    SHA512

    954811bccfe4dd88b6e7187a07516cb39b81ac08504b84c2eb44864875cf7aa4791e9bd4daeaf9c146ed1db4f1aa29a9a8bfd6ea728e6664faefae8542e796dc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    20618332d84f492a8d42e66a1ea76eb2

    SHA1

    9e94933a0ed28ee17fe3cd2ecabe3518df6fe5be

    SHA256

    93c2ae553a8f056ecb3e49a1df1df8db0ccad7df944480d3239ab52a7ceab2f3

    SHA512

    8e3e6e4d286068dd04dac92160373b0f4650ff6e7ca99ada841a34302abb4798f29124499923cd3800c2145e41511498b37b7b08e9277a688d253ffc8fd26c1c

  • C:\Users\Admin\Desktop\~$OpenBackup.xlsx

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • \Users\Admin\AppData\Local\Temp\._cache_2024-11-16_3ef3af23bc1cf2e9387548202296bf78_avoslocker_formbook_hijackloader_luca-stealer.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/320-62-0x0000000000F80000-0x0000000001360000-memory.dmp

    Filesize

    3.9MB

  • memory/1224-198-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1224-109-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2596-4-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/2596-6-0x00000000054F0000-0x000000000566E000-memory.dmp

    Filesize

    1.5MB

  • memory/2596-1-0x00000000013A0000-0x0000000001780000-memory.dmp

    Filesize

    3.9MB

  • memory/2596-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/2596-36-0x00000000746A0000-0x0000000074D8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-3-0x0000000000370000-0x0000000000388000-memory.dmp

    Filesize

    96KB

  • memory/2596-5-0x00000000746A0000-0x0000000074D8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2872-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2872-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2872-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2884-197-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2884-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-196-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2884-97-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2884-202-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2884-240-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB