Analysis

  • max time kernel
    141s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • 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
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 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\23._TUMACIKFATURALAR.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • 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:2760
    • 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:2280
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xZLeCXkVsspC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6EC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2724
    • C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe
      "C:\Users\Admin\AppData\Local\Temp\23._TUMACIKFATURALAR.xlsx.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF6EC.tmp

    Filesize

    1KB

    MD5

    f8007a6f3fde1423b643b5efdee2f2eb

    SHA1

    54810996b14279812b01d0a5141a51eacbddcfc3

    SHA256

    d84c3fb14e305832d13d7f970b72ac4c35c4b11b8046cfff139b7d193b8740c7

    SHA512

    ba38de7db7d9121e958ac35433ff64b2f94257157d6cf340c872c65258440c5bc385ce093fb4ff140be6b3d12190ca0f647efe0756fe55ade5d6aec1a5b10a34

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3QOA2VF3IDCWSO4QM1BJ.temp

    Filesize

    7KB

    MD5

    a68045615aeff45fb6a75a00ba6db189

    SHA1

    35e6e595181912ea4063316c7e2b504df47d1d41

    SHA256

    7f4ce8f38d1b9cfcdad7bbdc884c307789ee51ac9be7c382624db218af62287c

    SHA512

    b1d07a6fb02f928315579e359f31fa3c884c13e1c7ea1041214a942ff51abdd61d85d3d4d0a527ed5cd49437cc692f00926ed2e605e4106ec335cc93f3dd0855

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\XECUDNCD-Admin\vbsqlite3.dll

    Filesize

    161KB

    MD5

    073a17b6cfb1112c6c838b2fba06a657

    SHA1

    a54bb22489eaa8c52eb3e512aee522320530b0be

    SHA256

    dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab

    SHA512

    5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

  • memory/1656-29-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-1-0x0000000000950000-0x0000000000A24000-memory.dmp

    Filesize

    848KB

  • memory/1656-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-3-0x0000000000930000-0x0000000000940000-memory.dmp

    Filesize

    64KB

  • memory/1656-4-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1656-5-0x0000000004F10000-0x0000000004FBA000-memory.dmp

    Filesize

    680KB

  • memory/1656-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/2636-18-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2636-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-22-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2636-21-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2636-28-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2636-27-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2636-38-0x0000000075390000-0x00000000753F9000-memory.dmp

    Filesize

    420KB

  • memory/2636-40-0x0000000075390000-0x00000000753F9000-memory.dmp

    Filesize

    420KB