Analysis

  • max time kernel
    129s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a.exe
    "C:\Users\Admin\AppData\Local\Temp\74fd2131b4067a703629f07166467f28c1fd96d58143c45ca5cd741bb1f1cc1a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Roaming\windowsapplication\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Roaming\windowsapplication\invs.vbs" "C:\Users\Admin\AppData\Roaming\windowsapplication\mata2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Roaming\windowsapplication\mata2.bat" "
          4⤵
            PID:1324
      • 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:520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

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

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • 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

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

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • memory/520-63-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-64-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-65-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-61-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-69-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-79-0x0000000074610000-0x0000000074BBB000-memory.dmp

      Filesize

      5.7MB

    • memory/520-71-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-59-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/520-81-0x0000000074610000-0x0000000074BBB000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

      Filesize

      8KB

    • memory/2040-80-0x0000000074610000-0x0000000074BBB000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-55-0x0000000074610000-0x0000000074BBB000-memory.dmp

      Filesize

      5.7MB

    • memory/2040-83-0x0000000074610000-0x0000000074BBB000-memory.dmp

      Filesize

      5.7MB