Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 15:03

General

  • Target

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe

  • Size

    1.6MB

  • MD5

    f4a936f84d8916968c7373204b8ae63f

  • SHA1

    6b98a8f443329a2d532ec53613898f99e2a0b6ef

  • SHA256

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383

  • SHA512

    97fe86f5a16c6190601f19ab796a6e319131d3697e9915008367aa584371369a51404679eebabb1847309dda9a68a315eed3cbb0688225870f23bdfed9e7a133

  • SSDEEP

    49152:5dPQwh6G//OyxCjRW/iHIteZMqbRDENiPw3FTFX:j3h6d68gwIteZNiiPwVpX

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.

  • Executes dropped EXE 6 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
    "C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • 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\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • 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:2620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8565.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2264
    • C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
      "C:\Users\Admin\AppData\Local\Temp\986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:300
      • 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:1516
        • 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:1336
        • 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:1252
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA58.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2460
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2316
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1796
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1604
          • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
            5⤵
            • Executes dropped EXE
            PID:1768
  • 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:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.6MB

    MD5

    f4a936f84d8916968c7373204b8ae63f

    SHA1

    6b98a8f443329a2d532ec53613898f99e2a0b6ef

    SHA256

    986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383

    SHA512

    97fe86f5a16c6190601f19ab796a6e319131d3697e9915008367aa584371369a51404679eebabb1847309dda9a68a315eed3cbb0688225870f23bdfed9e7a133

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    d2729355fb298d465c649c8f8b576a7b

    SHA1

    207010095542731747106f882b93067c6355f824

    SHA256

    8c38b8f5b2ff0dd4a19e36541aee28afb9bb21ed6d300ee2b13eb832f965c45d

    SHA512

    7541ad65cdbbd636c46bb7f932cb8a12bc86c72807fd0b1be962ca2d6515e9090cd466a104bc55c1dda40b53b547af8c153d37a11dc9742201c5af8702936755

  • C:\Users\Admin\AppData\Local\Temp\._cache_986ecce2a6a989bacd39a4c89770ff42976919b2884d3e68e0ef2af2974d3383.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • C:\Users\Admin\AppData\Local\Temp\fWCRqC3n.xlsm

    Filesize

    26KB

    MD5

    c275f869145f938f925a44608d5869bc

    SHA1

    29c24e9f82b114e737fabcc8a3fa5ebd0e49e436

    SHA256

    1bcab6a5cf9083df0af23670b1ba21723e0941db8a5aee715fae5bf0579e0701

    SHA512

    53cd667a2448beee882edf9a70bb7013ec422f466fdff891946981f95ea4ad0eb05d5dd552335878dd35c34ff1efec933389eae32315d617be822287e4bbff7f

  • C:\Users\Admin\AppData\Local\Temp\fWCRqC3n.xlsm

    Filesize

    32KB

    MD5

    875b11898cd4ebab3c3feece016d3537

    SHA1

    1a15306bf7d513617b36d10b8ec32e800c9d0610

    SHA256

    1b7209ea324f2b0e4504c5ad0bbe0f647d42948c4836756526776ca6d7e7bf0a

    SHA512

    748bad4ae6d7872716b70d737750c7bca3bad31d9a0e9a0edcf272bde1349e139ada2d240681b2626279740e0b588ccdc2ec18f27fc4970ca27c9b5045ad432d

  • C:\Users\Admin\AppData\Local\Temp\fWCRqC3n.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\fWCRqC3n.xlsm

    Filesize

    32KB

    MD5

    66a5e0f03a0f5be50c419fc8a0694554

    SHA1

    6ac3a7d90c33e969a89e64b92d629aad698a82b8

    SHA256

    617a5d223aa74d902e31a87b8a98f79e9d10bfe08ffbc88f41538b5821695c50

    SHA512

    6a873fb250496749b1022d898da1ebedf5b64af831d07aec732b3be43b67106bbc56c0ae3e9a36d6a6a9b6531f3c05bcc7793ed40e8e3d81ce02859594877c0b

  • C:\Users\Admin\AppData\Local\Temp\fWCRqC3n.xlsm

    Filesize

    28KB

    MD5

    b015530c77726448b6b8980cda8902ed

    SHA1

    949b3c71797b965f71381aa951a966ac600846cf

    SHA256

    4263462ce38fe57519ed607d371dfc1f24f80a315344ba92720b7c58d617ab22

    SHA512

    99745c528864c8e0e880110bc5f7fafd8013747cc352cb43c750e92a8d19436f893c53a085bfbd929ae5b2ca213195888ba34396ff9f651e93f978922a29f69e

  • C:\Users\Admin\AppData\Local\Temp\tmp8565.tmp

    Filesize

    1KB

    MD5

    01d22a7de1d30bc58c67f53236453099

    SHA1

    558fa8e714e605ad0855681c4c0c3e0e4b54a1a5

    SHA256

    970e0796054e994c7a7126fd9641f737aeaa4d3d027c65fb5f21dbaacdec81eb

    SHA512

    d8fb5c4b9ff216abb9094d8bd9bf5cf5afc8ac0f98bd0282d4c871bdd7e7083de3644437bf323ed03365799d3073154401baf7284296efa39d7638729662dd4d

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

    Filesize

    7KB

    MD5

    ccc568929df73a3b4937f93262f5acb8

    SHA1

    f00d4ee1dab96f350db203498c4c7e0adbc571f5

    SHA256

    d1589307301306241dd347217f38c4d97e631bfb4b9e6214521a3515d4a33127

    SHA512

    418c40bda097dde09e419f64de2746f1a98ccf3cc46871d27c5b260625e01b8e2557d5bd8ffdbb853dd661890b89e1597323c65e454eb295021b6ddca0c20294

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

    Filesize

    7KB

    MD5

    a0f0a4d2ebb463b5d9598e67389b2c03

    SHA1

    6eeb321766892db53712f87d90af1e3621abc406

    SHA256

    00357e7337fa5f6ea4a92461bdcb22bb9e4b046dbb68793d3dfc3ca7112e9bb9

    SHA512

    6b2b27ddd793486cefff52d83e55e37c0241ea2a02e1c304560098e551bd4bffe991ca13ebe2c2f8e4d8114dd85746f4e372672e818085bdbc5cfcdb68e1aebd

  • C:\Users\Admin\Downloads\~$DebugCopy.xlsx

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • memory/1516-58-0x0000000000F30000-0x00000000010D6000-memory.dmp

    Filesize

    1.6MB

  • memory/1604-187-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1604-94-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1604-91-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1604-188-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1604-191-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1604-232-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-27-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-29-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1948-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1948-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/1976-38-0x0000000073E60000-0x000000007454E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

    Filesize

    4KB

  • memory/1976-6-0x0000000005090000-0x000000000520E000-memory.dmp

    Filesize

    1.5MB

  • memory/1976-5-0x0000000073E60000-0x000000007454E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-4-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

    Filesize

    4KB

  • memory/1976-3-0x00000000005D0000-0x00000000005E8000-memory.dmp

    Filesize

    96KB

  • memory/1976-2-0x0000000073E60000-0x000000007454E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-1-0x00000000010B0000-0x0000000001256000-memory.dmp

    Filesize

    1.6MB

  • memory/2024-107-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB