Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 16:40

General

  • Target

    eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe

  • Size

    3.2MB

  • MD5

    44cc23376d14c764d1d731bc49b540b6

  • SHA1

    fe03c3dac8a4f9ecf366a30e64ccf693fe854a12

  • SHA256

    eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223

  • SHA512

    d079129a42e62e4b31bf78610d45865963d7f74dc970265824c4a5523af8c59997ed5e719551a0dc3879687794723c023ba5c31e11d7461b4489ef47a78287ab

  • SSDEEP

    98304:H3h6d68gwIteZNiiPwVpU3h6d68gwIteZNiiPwVpt:HR668aaELAR668aaELh

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 7 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • 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: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe
    "C:\Users\Admin\AppData\Local\Temp\eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2912
    • 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\eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • 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:2288
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF161.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe
      "C:\Users\Admin\AppData\Local\Temp\eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Local\Temp\._cache_eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2952
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2296
        • 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:828
        • 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:1420
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4605.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1276
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2568
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2980
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1112
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:1532
        • C:\ProgramData\Synaptics\Synaptics.exe
          "C:\ProgramData\Synaptics\Synaptics.exe"
          4⤵
          • Executes dropped EXE
          PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    3.2MB

    MD5

    44cc23376d14c764d1d731bc49b540b6

    SHA1

    fe03c3dac8a4f9ecf366a30e64ccf693fe854a12

    SHA256

    eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223

    SHA512

    d079129a42e62e4b31bf78610d45865963d7f74dc970265824c4a5523af8c59997ed5e719551a0dc3879687794723c023ba5c31e11d7461b4489ef47a78287ab

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    6a7e2bf54d7137ec64e32c8124b54036

    SHA1

    666a82e3a1cf10f54cdbf25c4aa6dafb96ec8522

    SHA256

    d444256dc6d81251ec3b97fb022d8c63978106e976f83ad2b8b21919bccf7564

    SHA512

    7b74e5a66d7abd85c0fbf31f1ba05f0bac8a78a492c30979507d1016f290027f2007025f252fb5fc39281e0941c7dcc5f02232a16a244c1d5faef36d1a565363

  • C:\Users\Admin\AppData\Local\Temp\tmpF161.tmp

    Filesize

    1KB

    MD5

    7daa0e3c6f21a9f3adbbe29b2692c23f

    SHA1

    52b57abdd1d42e34ebf28fa2f2320e4789770e16

    SHA256

    06d73eb702e143cda4be2bd2a2d84482d3982dcf9f143fb6373cca16b8ab35d2

    SHA512

    5d81a3a9bfbfe5a2761b2bfe334e3b5545cd347654e00f8ec8b9a3e5d1f2b127daaa71bf02785274165f3653c7f9a03dc1f2616b02290195fd1642b16f7ee475

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

    Filesize

    7KB

    MD5

    a502d6490a88a7a00a42b2cd539e7dcc

    SHA1

    e116fcf61ab9ee13bdb73e3f30522c326de6bc84

    SHA256

    458fbb6350323c2784ace6acd6f9eef09605a11dc7f9044ec6785f5d312b0851

    SHA512

    ef057f81b76b7fe24565dccc7eba4cbe3f3987ed0fc3e4e74f48a99d7002dbbae9411dd74a3f1a48ec4f10e94e291f25f346f3410d734a92e021791c9b41167a

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

    Filesize

    7KB

    MD5

    5fc2b9a94f350fae12021fcc855981c3

    SHA1

    1226533d57127c1ad33abfc3837a180a680af15e

    SHA256

    ee0af503410f1576959ae5e1e725385c1ff6b773cd32a7a0c0622ae9f745a110

    SHA512

    045f9e06b045d0aaaa335d6682ddc8ac4446a03d4371faa2a20f3bcda88b55fe342f446a034ddd80a7013a2100cb399be10f22053db8e9f24b5adb9fe4af4a81

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\._cache_eb7bb76f88a533fa23d80ddf0e2e1a2afc10c1b1c7c9033eed2b677a3f979223.exe

    Filesize

    483KB

    MD5

    f3b57ccad1c0a308635e17aa591e4038

    SHA1

    ca67ad3c74523b844fc23563f7b288f0389fd645

    SHA256

    5ad6b9a917f35be0a1d66c771069c2143ad765737eedd85436acbc0f95a4c0e7

    SHA512

    5ed754a1b254e8a4b03e0445ac0081c94aaf179c2974827ce4ff10b7deb765d819243b2084212d7c91be9ddc07bf94f55e35f85564781b4124b61647a2f0977a

  • memory/2296-62-0x0000000000280000-0x00000000005C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2632-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-21-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-34-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-35-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-31-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-30-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-28-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-25-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-23-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2632-19-0x0000000000400000-0x000000000053B000-memory.dmp

    Filesize

    1.2MB

  • memory/2912-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/2912-38-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-6-0x0000000005280000-0x00000000053FE000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/2912-3-0x0000000000630000-0x0000000000648000-memory.dmp

    Filesize

    96KB

  • memory/2912-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2912-1-0x0000000000F70000-0x00000000012B4000-memory.dmp

    Filesize

    3.3MB