Analysis

  • max time kernel
    188s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09/06/2022, 13:17

General

  • Target

    8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe

  • Size

    511KB

  • MD5

    1733079217ac6b8f1699b91abfb5d578

  • SHA1

    b954840e40ea3a9036a2c0379aab8f06df3a1d45

  • SHA256

    8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff

  • SHA512

    60e4d7115a5ea18dee219c267c2ddbec7c31912cf0bb9a5622d20311a211788783fad2ee5e457c07b2fbd81d2fdaff48e2156556a7dcb321832c080ba4a70cc1

Malware Config

Signatures

  • Imminent RAT

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

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe
    "C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe
      "C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4280
      • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe
        "C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3856
        • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe
          "C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4536
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3352
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.1.1.1 -n 1 -w 1000
          4⤵
          • Runs ping.exe
          PID:4316
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:2576

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe.log

      Filesize

      706B

      MD5

      f8bcaf312de8591707436c1dcebba8e4

      SHA1

      a1269828e5f644601622f4a7a611aec8f2eda0b2

      SHA256

      f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

      SHA512

      3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

    • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe

      Filesize

      511KB

      MD5

      1733079217ac6b8f1699b91abfb5d578

      SHA1

      b954840e40ea3a9036a2c0379aab8f06df3a1d45

      SHA256

      8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff

      SHA512

      60e4d7115a5ea18dee219c267c2ddbec7c31912cf0bb9a5622d20311a211788783fad2ee5e457c07b2fbd81d2fdaff48e2156556a7dcb321832c080ba4a70cc1

    • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe

      Filesize

      511KB

      MD5

      1733079217ac6b8f1699b91abfb5d578

      SHA1

      b954840e40ea3a9036a2c0379aab8f06df3a1d45

      SHA256

      8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff

      SHA512

      60e4d7115a5ea18dee219c267c2ddbec7c31912cf0bb9a5622d20311a211788783fad2ee5e457c07b2fbd81d2fdaff48e2156556a7dcb321832c080ba4a70cc1

    • C:\Users\Admin\AppData\Local\Temp\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff\8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff.exe

      Filesize

      511KB

      MD5

      1733079217ac6b8f1699b91abfb5d578

      SHA1

      b954840e40ea3a9036a2c0379aab8f06df3a1d45

      SHA256

      8102623e6f4d3c4dcc26b594360b19c79f80c64c50102c141941dd8b5654a3ff

      SHA512

      60e4d7115a5ea18dee219c267c2ddbec7c31912cf0bb9a5622d20311a211788783fad2ee5e457c07b2fbd81d2fdaff48e2156556a7dcb321832c080ba4a70cc1

    • memory/3504-131-0x0000000008270000-0x0000000008814000-memory.dmp

      Filesize

      5.6MB

    • memory/3504-132-0x0000000007D60000-0x0000000007DF2000-memory.dmp

      Filesize

      584KB

    • memory/3504-133-0x0000000007F00000-0x0000000007F9C000-memory.dmp

      Filesize

      624KB

    • memory/3504-130-0x0000000000C90000-0x0000000000D18000-memory.dmp

      Filesize

      544KB

    • memory/4280-137-0x0000000006980000-0x00000000069E6000-memory.dmp

      Filesize

      408KB

    • memory/4280-135-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/4536-146-0x0000000007A80000-0x0000000007A8A000-memory.dmp

      Filesize

      40KB