Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2022 18:37

General

  • Target

    74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a.exe

  • Size

    1.7MB

  • MD5

    575efa7c7559db67471ddd64608c9381

  • SHA1

    b40b8ad805b235a076bc94d40ef99a97e66ab8cb

  • SHA256

    74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a

  • SHA512

    12642ded18c7dbf18c5c68220ac92a1b37c7f8e0bfa8a52079010763e08f50284281294c874122142e8fa1ba4a9297ab603ef5284f07af9b0f3deae935742c68

  • SSDEEP

    24576:r0otxM+C8vJNWRbElPprVE3fil1s7QlqIR28WV8+t6FZVAAb6amPA9MBzgK:Ptf3qR/alCklqIgF8+tuAs6a+Jp

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a.exe
    "C:\Users\Admin\AppData\Local\Temp\74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\windowsapplication\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Roaming\windowsapplication\invs.vbs" "C:\Users\Admin\AppData\Roaming\windowsapplication\mata2.bat
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\windowsapplication\mata2.bat" "
          4⤵
            PID:2528
      • C:\Users\Admin\AppData\Roaming\windowsapplication .exe
        "C:\Users\Admin\AppData\Roaming\windowsapplication .exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:536

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\windowsapplication .exe

      Filesize

      52KB

      MD5

      a64daca3cfbcd039df3ec29d3eddd001

      SHA1

      eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

      SHA256

      403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

      SHA512

      b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

    • C:\Users\Admin\AppData\Roaming\windowsapplication .exe

      Filesize

      52KB

      MD5

      a64daca3cfbcd039df3ec29d3eddd001

      SHA1

      eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

      SHA256

      403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

      SHA512

      b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

    • C:\Users\Admin\AppData\Roaming\windowsapplication\invs.vbs

      Filesize

      78B

      MD5

      c578d9653b22800c3eb6b6a51219bbb8

      SHA1

      a97aa251901bbe179a48dbc7a0c1872e163b1f2d

      SHA256

      20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

      SHA512

      3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

    • C:\Users\Admin\AppData\Roaming\windowsapplication\mata.bat

      Filesize

      91B

      MD5

      159738d5f6cc0b140aef05d041e0e9d0

      SHA1

      dd42b039afbf23fdcd7683806ae6491db2fc0872

      SHA256

      675cc6e50de69fcac9f7e19e221f99f9fcfdc6840244a65f304f1259aca8c5d9

      SHA512

      af94ac9043f484614bd2b5a96546e7cc3eb3bc4860e513f41d9edd0ce52444f5835089ea1df622f8c6b66deaf6941bf71a8872c6a80400e3dfc076402bcf58df

    • C:\Users\Admin\AppData\Roaming\windowsapplication\mata2.bat

      Filesize

      107B

      MD5

      ea5f4fdc6f6e86af034ee1eccdef78d1

      SHA1

      5bec29914ccf32c6a483a11266deb8f6af307fc2

      SHA256

      3bff022d39673f3a9605a0a67a41115ebe687792639910731595e9be1960034f

      SHA512

      d38a6b8fb46ee9f319489fe75146178ba1921c3e2bad2dc5e8434d93f7166ea8194effd71acb850333640a890446055e4bf02fcf61accf00557d96314d3cedb0

    • C:\Users\Admin\AppData\Roaming\windowsapplication\rundll11-.txt

      Filesize

      1.7MB

      MD5

      575efa7c7559db67471ddd64608c9381

      SHA1

      b40b8ad805b235a076bc94d40ef99a97e66ab8cb

      SHA256

      74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a

      SHA512

      12642ded18c7dbf18c5c68220ac92a1b37c7f8e0bfa8a52079010763e08f50284281294c874122142e8fa1ba4a9297ab603ef5284f07af9b0f3deae935742c68

    • C:\Users\Admin\AppData\Roaming\windowsapplication\windowsapplication.exe

      Filesize

      1.7MB

      MD5

      575efa7c7559db67471ddd64608c9381

      SHA1

      b40b8ad805b235a076bc94d40ef99a97e66ab8cb

      SHA256

      74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a

      SHA512

      12642ded18c7dbf18c5c68220ac92a1b37c7f8e0bfa8a52079010763e08f50284281294c874122142e8fa1ba4a9297ab603ef5284f07af9b0f3deae935742c68

    • memory/536-136-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/536-141-0x0000000074AE0000-0x0000000075091000-memory.dmp

      Filesize

      5.7MB

    • memory/536-146-0x0000000074AE0000-0x0000000075091000-memory.dmp

      Filesize

      5.7MB

    • memory/1200-132-0x0000000074AE0000-0x0000000075091000-memory.dmp

      Filesize

      5.7MB

    • memory/1200-145-0x0000000074AE0000-0x0000000075091000-memory.dmp

      Filesize

      5.7MB

    • memory/1200-148-0x0000000074AE0000-0x0000000075091000-memory.dmp

      Filesize

      5.7MB