Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 11:31

General

  • Target

    23._TUMACIKFATURALAR.xlsx.exe

  • Size

    821KB

  • MD5

    dd6e3f2c8adb69c1572d43235a7b530f

  • SHA1

    f73dd93046ad35a21a7c5f3a210f09e328a054fc

  • SHA256

    f18d276ce3ec088f6d446e409489bad5c9b613d6c1f10a6538724749c7cf2af6

  • SHA512

    d95d035bf78c97de1e5e21291d9e0d163acbbb47742a9a14e5422e21131d2e3576a7892cfd75467e36981f22b00e13dbd1bf7974e1caa61c2717d99f0f09c172

  • SSDEEP

    24576:FM02MZV6XHcbMqZYEtok6s2r1gBT7mSi9oSv:FVO8bxYMo7r1YHmBoS

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.condormalta.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ~N#]]bSO$0-R

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 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\23._TUMACIKFATURALAR.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:376
    • 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\23._TUMACIKFATURALAR.xlsx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4860
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xZLeCXkVsspC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xZLeCXkVsspC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DDF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2452
    • C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"
      2⤵
        PID:3432
      • C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe
        "C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      a4412e3b3b88db0e34b0fcb158d919ce

      SHA1

      5f9b5537abadddaa470feaa4c3cba8e84483ae1c

      SHA256

      2721f30877e6e3e10b2d87e50eccd00ede4ecc63fae54df2a3c91b282b0a4e3d

      SHA512

      382dcdfc2f256d606f89ddf45335447d2e3220c771f3625a7ceab62fa84058d3486dc78689502be44a287e2e66e95438a4e32bb2cb98e377ecada6a9cc04c536

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4gqxxxho.50d.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp3DDF.tmp

      Filesize

      1KB

      MD5

      9cf8462e62fa67d626a4a2a1ab1e47c8

      SHA1

      d3d22b8cec970a0cdda2a2327364fd31e3ac4ef0

      SHA256

      e2ddc0ac197b99198664f62529d4292b08dc2c0d8f78773c8de81a1f18e1eac0

      SHA512

      f2873eeb5811e0f024f7aaedd2e7c181a1da30249ec79cd399ecc1c608f173264ff00600910d96a3ea248ea3e86aa071bf9f4f5b031bb3d3f237398c2d3dfcd4

    • memory/376-4-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/376-5-0x0000000005040000-0x000000000504A000-memory.dmp

      Filesize

      40KB

    • memory/376-6-0x0000000005390000-0x000000000542C000-memory.dmp

      Filesize

      624KB

    • memory/376-7-0x00000000051B0000-0x00000000051C0000-memory.dmp

      Filesize

      64KB

    • memory/376-8-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/376-9-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/376-10-0x0000000006E90000-0x0000000006F3A000-memory.dmp

      Filesize

      680KB

    • memory/376-0-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/376-3-0x0000000005080000-0x0000000005112000-memory.dmp

      Filesize

      584KB

    • memory/376-2-0x0000000005590000-0x0000000005B34000-memory.dmp

      Filesize

      5.6MB

    • memory/376-1-0x0000000000570000-0x0000000000644000-memory.dmp

      Filesize

      848KB

    • memory/376-43-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/2692-33-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/2692-102-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/2692-35-0x0000000000400000-0x0000000000460000-memory.dmp

      Filesize

      384KB

    • memory/3620-21-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/3620-90-0x0000000007C20000-0x0000000007C31000-memory.dmp

      Filesize

      68KB

    • memory/3620-89-0x0000000007CA0000-0x0000000007D36000-memory.dmp

      Filesize

      600KB

    • memory/3620-32-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/3620-61-0x00000000066D0000-0x00000000066EE000-memory.dmp

      Filesize

      120KB

    • memory/3620-19-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/3620-97-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/3620-88-0x0000000007A90000-0x0000000007A9A000-memory.dmp

      Filesize

      40KB

    • memory/3620-75-0x0000000074D00000-0x0000000074D4C000-memory.dmp

      Filesize

      304KB

    • memory/3620-62-0x0000000006770000-0x00000000067BC000-memory.dmp

      Filesize

      304KB

    • memory/4860-26-0x00000000055B0000-0x0000000005904000-memory.dmp

      Filesize

      3.3MB

    • memory/4860-64-0x0000000074D00000-0x0000000074D4C000-memory.dmp

      Filesize

      304KB

    • memory/4860-63-0x0000000006D50000-0x0000000006D82000-memory.dmp

      Filesize

      200KB

    • memory/4860-78-0x0000000006D90000-0x0000000006E33000-memory.dmp

      Filesize

      652KB

    • memory/4860-23-0x00000000054D0000-0x0000000005536000-memory.dmp

      Filesize

      408KB

    • memory/4860-74-0x0000000006D30000-0x0000000006D4E000-memory.dmp

      Filesize

      120KB

    • memory/4860-86-0x0000000007520000-0x0000000007B9A000-memory.dmp

      Filesize

      6.5MB

    • memory/4860-87-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

      Filesize

      104KB

    • memory/4860-24-0x0000000005540000-0x00000000055A6000-memory.dmp

      Filesize

      408KB

    • memory/4860-25-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-22-0x0000000004D00000-0x0000000004D22000-memory.dmp

      Filesize

      136KB

    • memory/4860-91-0x0000000007110000-0x000000000711E000-memory.dmp

      Filesize

      56KB

    • memory/4860-92-0x0000000007120000-0x0000000007134000-memory.dmp

      Filesize

      80KB

    • memory/4860-93-0x0000000007220000-0x000000000723A000-memory.dmp

      Filesize

      104KB

    • memory/4860-94-0x0000000007200000-0x0000000007208000-memory.dmp

      Filesize

      32KB

    • memory/4860-18-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-16-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-101-0x0000000074470000-0x0000000074C20000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-17-0x0000000004D30000-0x0000000005358000-memory.dmp

      Filesize

      6.2MB

    • memory/4860-15-0x0000000000E30000-0x0000000000E66000-memory.dmp

      Filesize

      216KB