Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2024 11:10

General

  • Target

    file.exe

  • Size

    916KB

  • MD5

    07ecf716a8c177510d8bbb67c9023589

  • SHA1

    ff8623958dbacdbd2d370e34b91d55823906b0e1

  • SHA256

    22b5dce4881004cd5491a450ccd459dc4790f28e8dfd9765e040b51003cccab8

  • SHA512

    f757576f63cece311e391b458a5d953d825a66437dcc2cf98e5f2249e89463268c363dd7facfd316827117de6d61cc8a1c5d732f6b6c9c47ab82c986920018d2

  • SSDEEP

    12288:pjgO9SCF1OevUUGQv0R4jesqzAOzS7EPoHWj9cy1eMX9ECcCVu5brNKtqFJ/hkaC:xgO9ZzvzKLAkDA2xcyB9uJGG/hWuzw

Score
10/10

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3616
    • 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\file.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJkikIYc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3464
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJkikIYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp98A6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4236
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
        PID:3252
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2072

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      bbb03d1724349d888b9741453af38c7f

      SHA1

      9ebfb8852cd312689c958bd2d2e0bb3bca916897

      SHA256

      3b1c450f38e038ae43f607583121abe153528ed41515331cc61b93c68b0353d4

      SHA512

      521f74a062854a3981d391be8d7caeb2e01b6eb826e35a54577add3e48fe9346baf8af5eacddb0abca9ea8327d6b63f4407bb3f789a6be30b97aed98dad30f87

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vjxxx3jr.a1v.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp98A6.tmp

      Filesize

      1KB

      MD5

      041f7b4c6ac5d3b4f8921f12240db266

      SHA1

      d04cf7623e42938b36300d41420c04ed170a0987

      SHA256

      9acc5a15a9837d43bcc5c6c94573744da08f8b15981e24f9355831325197ff04

      SHA512

      90d907f8fef59b91ec6d7f164834e899da364e5487fc2c468d07ec1059daf42ccf08f1c3e3913e6aff48e2827fc14a26379ea2fbdc85cd8bce7af2f72f071912

    • memory/2072-45-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2072-98-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2072-48-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/3464-67-0x00000000739C0000-0x0000000073A0C000-memory.dmp

      Filesize

      304KB

    • memory/3464-56-0x000000007F3C0000-0x000000007F3D0000-memory.dmp

      Filesize

      64KB

    • memory/3464-54-0x00000000077C0000-0x00000000077F2000-memory.dmp

      Filesize

      200KB

    • memory/3464-88-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

      Filesize

      80KB

    • memory/3464-83-0x00000000081A0000-0x000000000881A000-memory.dmp

      Filesize

      6.5MB

    • memory/3464-17-0x0000000005490000-0x00000000054A0000-memory.dmp

      Filesize

      64KB

    • memory/3464-80-0x0000000005490000-0x00000000054A0000-memory.dmp

      Filesize

      64KB

    • memory/3464-87-0x0000000007D90000-0x0000000007D9E000-memory.dmp

      Filesize

      56KB

    • memory/3464-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3464-53-0x0000000006A10000-0x0000000006A5C000-memory.dmp

      Filesize

      304KB

    • memory/3464-21-0x0000000005490000-0x00000000054A0000-memory.dmp

      Filesize

      64KB

    • memory/3464-90-0x0000000007E80000-0x0000000007E88000-memory.dmp

      Filesize

      32KB

    • memory/3464-24-0x0000000006170000-0x00000000061D6000-memory.dmp

      Filesize

      408KB

    • memory/3464-52-0x0000000006830000-0x000000000684E000-memory.dmp

      Filesize

      120KB

    • memory/3464-89-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

      Filesize

      104KB

    • memory/3464-97-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-19-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-9-0x0000000009820000-0x00000000098BC000-memory.dmp

      Filesize

      624KB

    • memory/3616-1-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

      Filesize

      5.6MB

    • memory/3616-3-0x0000000005800000-0x0000000005892000-memory.dmp

      Filesize

      584KB

    • memory/3616-4-0x0000000005990000-0x00000000059A0000-memory.dmp

      Filesize

      64KB

    • memory/3616-0-0x0000000000D40000-0x0000000000E2A000-memory.dmp

      Filesize

      936KB

    • memory/3616-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

      Filesize

      40KB

    • memory/3616-49-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3616-6-0x0000000005C50000-0x0000000005C6C000-memory.dmp

      Filesize

      112KB

    • memory/3616-7-0x0000000005C70000-0x0000000005C84000-memory.dmp

      Filesize

      80KB

    • memory/3616-8-0x0000000007180000-0x0000000007230000-memory.dmp

      Filesize

      704KB

    • memory/5008-68-0x000000007FB00000-0x000000007FB10000-memory.dmp

      Filesize

      64KB

    • memory/5008-15-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-85-0x0000000007010000-0x00000000070A6000-memory.dmp

      Filesize

      600KB

    • memory/5008-79-0x0000000004670000-0x0000000004680000-memory.dmp

      Filesize

      64KB

    • memory/5008-86-0x0000000006F90000-0x0000000006FA1000-memory.dmp

      Filesize

      68KB

    • memory/5008-78-0x0000000006C50000-0x0000000006CF3000-memory.dmp

      Filesize

      652KB

    • memory/5008-14-0x0000000002140000-0x0000000002176000-memory.dmp

      Filesize

      216KB

    • memory/5008-55-0x00000000739C0000-0x0000000073A0C000-memory.dmp

      Filesize

      304KB

    • memory/5008-84-0x0000000006E00000-0x0000000006E0A000-memory.dmp

      Filesize

      40KB

    • memory/5008-82-0x0000000006D90000-0x0000000006DAA000-memory.dmp

      Filesize

      104KB

    • memory/5008-16-0x0000000004670000-0x0000000004680000-memory.dmp

      Filesize

      64KB

    • memory/5008-81-0x0000000004670000-0x0000000004680000-memory.dmp

      Filesize

      64KB

    • memory/5008-66-0x0000000006C30000-0x0000000006C4E000-memory.dmp

      Filesize

      120KB

    • memory/5008-18-0x0000000004CB0000-0x00000000052D8000-memory.dmp

      Filesize

      6.2MB

    • memory/5008-96-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-23-0x0000000004A90000-0x0000000004AB2000-memory.dmp

      Filesize

      136KB

    • memory/5008-41-0x0000000005450000-0x00000000057A4000-memory.dmp

      Filesize

      3.3MB

    • memory/5008-25-0x00000000052E0000-0x0000000005346000-memory.dmp

      Filesize

      408KB