Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    31/05/2022, 04:03

General

  • Target

    06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995.exe

  • Size

    1.1MB

  • MD5

    1ed830b0902a89718453d8a9479d0df5

  • SHA1

    6ebe1b790078f3b1ae78dbf1c48f72231f515801

  • SHA256

    06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995

  • SHA512

    2e127e9348ebcf7fb0ca1cb5115d205422556347fbbaabb9038bad79ca28aa6b4cb2b93694104748ea1a566dfac772e78507b66954e181779db65f37bc9647cd

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 2 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 3 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\06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995.exe
    "C:\Users\Admin\AppData\Local\Temp\06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4112
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
          4⤵
            PID:1284
      • C:\Users\Admin\AppData\Local\Temp\notepad .exe
        "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
        2⤵
        • Executes dropped EXE
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1280

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      1.1MB

      MD5

      1ed830b0902a89718453d8a9479d0df5

      SHA1

      6ebe1b790078f3b1ae78dbf1c48f72231f515801

      SHA256

      06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995

      SHA512

      2e127e9348ebcf7fb0ca1cb5115d205422556347fbbaabb9038bad79ca28aa6b4cb2b93694104748ea1a566dfac772e78507b66954e181779db65f37bc9647cd

    • C:\Users\Admin\AppData\Local\Temp\invs.vbs

      Filesize

      78B

      MD5

      c578d9653b22800c3eb6b6a51219bbb8

      SHA1

      a97aa251901bbe179a48dbc7a0c1872e163b1f2d

      SHA256

      20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

      SHA512

      3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

    • C:\Users\Admin\AppData\Local\Temp\mata.bat

      Filesize

      47B

      MD5

      58c538a6ae20a3c6031217903cdf8e5d

      SHA1

      399fd50eadf4945b665877facfc4f53d16e18b1e

      SHA256

      6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

      SHA512

      c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

    • C:\Users\Admin\AppData\Local\Temp\mata2.bat

      Filesize

      50B

      MD5

      e61c3d3d299983dfc3227a07db68be8b

      SHA1

      292307c5bcc5a898cd23e2479c7d3f81bcf2906c

      SHA256

      a11c90232c78d909a2eaa3afe74806fb2b4767c4afa360213624056354a64133

      SHA512

      2f757f7f6d6cebbb94e699d75666883e88354f02dc87f763236ff785c60785f6616cfd0f7bd83f9788f733940a36935b5bb4f29454422136765550ea435dddd7

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

      Filesize

      52KB

      MD5

      a64daca3cfbcd039df3ec29d3eddd001

      SHA1

      eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

      SHA256

      403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

      SHA512

      b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

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

      Filesize

      52KB

      MD5

      a64daca3cfbcd039df3ec29d3eddd001

      SHA1

      eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

      SHA256

      403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

      SHA512

      b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

    • C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

      Filesize

      1.1MB

      MD5

      1ed830b0902a89718453d8a9479d0df5

      SHA1

      6ebe1b790078f3b1ae78dbf1c48f72231f515801

      SHA256

      06eba92d52705ce2af6862a2a2f3b0510807b5f14ed965fa9ba9c618a70a3995

      SHA512

      2e127e9348ebcf7fb0ca1cb5115d205422556347fbbaabb9038bad79ca28aa6b4cb2b93694104748ea1a566dfac772e78507b66954e181779db65f37bc9647cd

    • memory/1280-151-0x00000000736C0000-0x00000000741C0000-memory.dmp

      Filesize

      11.0MB

    • memory/1280-147-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/1280-150-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/1280-149-0x0000000072D40000-0x00000000734E8000-memory.dmp

      Filesize

      7.7MB

    • memory/1280-148-0x00000000736C0000-0x00000000741C0000-memory.dmp

      Filesize

      11.0MB

    • memory/1280-144-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/1280-152-0x0000000072D40000-0x00000000734E8000-memory.dmp

      Filesize

      7.7MB

    • memory/2884-142-0x00000000736C0000-0x00000000741C0000-memory.dmp

      Filesize

      11.0MB

    • memory/2884-143-0x0000000072D40000-0x00000000734E8000-memory.dmp

      Filesize

      7.7MB

    • memory/2884-130-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-141-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-132-0x0000000072D40000-0x00000000734E8000-memory.dmp

      Filesize

      7.7MB

    • memory/2884-131-0x00000000736C0000-0x00000000741C0000-memory.dmp

      Filesize

      11.0MB

    • memory/2884-154-0x00000000748C0000-0x0000000074E71000-memory.dmp

      Filesize

      5.7MB

    • memory/2884-155-0x00000000736C0000-0x00000000741C0000-memory.dmp

      Filesize

      11.0MB

    • memory/2884-156-0x0000000072D40000-0x00000000734E8000-memory.dmp

      Filesize

      7.7MB