Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 19:52

General

  • Target

    TNT Original Invoice.exe

  • Size

    1023KB

  • MD5

    119eaa1129f88196cae8f81a75ab8b31

  • SHA1

    51223c629345eb969f8f56abcc6a11792178ff77

  • SHA256

    8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b

  • SHA512

    450239eabafa344c487f8a0ee17f000fefe39f0a78d6ea2ec09a0ad425c51c936428a48f1d853e5eff131f6ef1b5b2519c79e03d955452bc0b2a951af4a6af4d

  • SSDEEP

    24576:ToMSdOp+dBHPdYBtO+mMP7tyUKVdZ39sakOzwsHru:kMDpQH2/OdP4a98ea

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

167.114.189.33:2404

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-7ZDF66

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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\TNT Original Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QQTpFQa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QQTpFQa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2108
    • C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    9f3c88ff1932b003a949ae1971e920c0

    SHA1

    06707d4ba5edff4dbe5da2fbe71129256fe3aaa2

    SHA256

    7cafe6c1df4467557f3b2459380e8a9a6d8e4543ed38ae188a94fef591c08cba

    SHA512

    71b9afb9f942c25789ad6dcf9dfe0e663c92672f59bf93b608a4fa97f15720cdf4d702cc7a883764fe2b91388c44f1eb5bac436eacbdded7134373c542e7d3e1

  • C:\Users\Admin\AppData\Local\Temp\tmp3312.tmp

    Filesize

    1KB

    MD5

    d8836b5d43daca19a9b1907f6e34cb2a

    SHA1

    218400d1b07d31f2ec2abca05448d120a03021c3

    SHA256

    66a93ecb627bf86df6c2c2a4d27fbdf464cfd33bc9ac1d2e84b3dc91f62c9f29

    SHA512

    ee13f08e035da24e1d5d4791b31aa686ed5ebe9f7f5366f5529c288f767d26017f12e984fa980e4f1aa1ad6c4bbc3faa5f5db4ac7375d28bf430ef91c119aa42

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\441KWE1A3VVK9ILRA94Z.temp

    Filesize

    7KB

    MD5

    ebf0742702d496eebf5fc781b5cf3252

    SHA1

    cfe42e940d349558e3259b23de9234a520eefbbd

    SHA256

    33696d7181d6890cf1727fb9378722b005b65e4d747a818e0b83cadd05ec5147

    SHA512

    7db13d1cbceea7f4f81c2702f5f86f8c37dbb0b1e3a75d78013ea6ce97ab32fff6d6998fd9e318ed70ce5f6a2fabc76c5e2c1b7ed2b2b70efbaf3028c4a958bd

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

    Filesize

    7KB

    MD5

    ebf0742702d496eebf5fc781b5cf3252

    SHA1

    cfe42e940d349558e3259b23de9234a520eefbbd

    SHA256

    33696d7181d6890cf1727fb9378722b005b65e4d747a818e0b83cadd05ec5147

    SHA512

    7db13d1cbceea7f4f81c2702f5f86f8c37dbb0b1e3a75d78013ea6ce97ab32fff6d6998fd9e318ed70ce5f6a2fabc76c5e2c1b7ed2b2b70efbaf3028c4a958bd

  • memory/1648-46-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/1648-49-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/1648-51-0x0000000002310000-0x0000000002350000-memory.dmp

    Filesize

    256KB

  • memory/1648-52-0x0000000002310000-0x0000000002350000-memory.dmp

    Filesize

    256KB

  • memory/1648-55-0x0000000002310000-0x0000000002350000-memory.dmp

    Filesize

    256KB

  • memory/1648-57-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/2092-4-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-7-0x0000000005850000-0x0000000005908000-memory.dmp

    Filesize

    736KB

  • memory/2092-0-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-6-0x0000000000270000-0x000000000027C000-memory.dmp

    Filesize

    48KB

  • memory/2092-5-0x0000000004DE0000-0x0000000004E20000-memory.dmp

    Filesize

    256KB

  • memory/2092-40-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-3-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/2092-2-0x0000000004DE0000-0x0000000004E20000-memory.dmp

    Filesize

    256KB

  • memory/2092-1-0x0000000000CE0000-0x0000000000DE6000-memory.dmp

    Filesize

    1.0MB

  • memory/2568-22-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-64-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2568-39-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-41-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-43-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-44-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-45-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-33-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-83-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-82-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-31-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-77-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-29-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-27-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-76-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-54-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-25-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-24-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-70-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-60-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-63-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-37-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-20-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2568-69-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2712-56-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-53-0x00000000024E0000-0x0000000002520000-memory.dmp

    Filesize

    256KB

  • memory/2712-50-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-47-0x000000006EFA0000-0x000000006F54B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-48-0x00000000024E0000-0x0000000002520000-memory.dmp

    Filesize

    256KB