Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2024 14:03

General

  • Target

    5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe

  • Size

    703KB

  • MD5

    434d182e6e4584f65a8c5f61b2bee723

  • SHA1

    fe7632a9cbcec011843577a248b3f40376e4698b

  • SHA256

    5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f

  • SHA512

    91ef5b8953e0f1202d46b618239776532077ca7a8f3c3e8d1617ee8dd716f4d9e5ce83511e05bb902be31302b473291e05442a760cd4eb9c886cb9a7276be26b

  • SSDEEP

    12288:WbiAgYGp7Ev7BUbYCriqEbT0INP9HfBVKqk6MU21NX4alwiXSqtqgj:Fgv7BOTGYPU4XjDSqtq

Score
10/10

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot6746383234:AAHJ0bggxpanHasWvjMSekrXd1f03jgHZUM/sendMessage?chat_id=6475103768

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe
    "C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\5ecbfb33b1adf9c70b5f79f15f78b4672bb458c1bde52985e4dd7ba6c046465f.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3304

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dtoja2ki.ch2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1784-0-0x0000000000410000-0x00000000004C6000-memory.dmp

    Filesize

    728KB

  • memory/1784-1-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

  • memory/1784-3-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

    Filesize

    64KB

  • memory/1784-5-0x0000000005000000-0x0000000005092000-memory.dmp

    Filesize

    584KB

  • memory/1784-6-0x0000000005140000-0x00000000051DC000-memory.dmp

    Filesize

    624KB

  • memory/1784-26-0x0000000004FA0000-0x0000000004FA8000-memory.dmp

    Filesize

    32KB

  • memory/1784-33-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

  • memory/1784-2-0x0000000004EC0000-0x0000000004F62000-memory.dmp

    Filesize

    648KB

  • memory/1784-4-0x0000000005510000-0x0000000005AB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2212-24-0x0000000006890000-0x00000000068AE000-memory.dmp

    Filesize

    120KB

  • memory/2212-10-0x00000000053F0000-0x0000000005400000-memory.dmp

    Filesize

    64KB

  • memory/2212-13-0x0000000006240000-0x00000000062A6000-memory.dmp

    Filesize

    408KB

  • memory/2212-25-0x0000000006D50000-0x0000000006D9C000-memory.dmp

    Filesize

    304KB

  • memory/2212-9-0x0000000005A30000-0x0000000006058000-memory.dmp

    Filesize

    6.2MB

  • memory/2212-8-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

  • memory/2212-23-0x00000000062B0000-0x0000000006604000-memory.dmp

    Filesize

    3.3MB

  • memory/2212-12-0x00000000061D0000-0x0000000006236000-memory.dmp

    Filesize

    408KB

  • memory/2212-30-0x0000000007870000-0x0000000007906000-memory.dmp

    Filesize

    600KB

  • memory/2212-7-0x00000000052C0000-0x00000000052F6000-memory.dmp

    Filesize

    216KB

  • memory/2212-34-0x0000000006E10000-0x0000000006E32000-memory.dmp

    Filesize

    136KB

  • memory/2212-32-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

    Filesize

    104KB

  • memory/2212-40-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

  • memory/2212-11-0x00000000058E0000-0x0000000005902000-memory.dmp

    Filesize

    136KB

  • memory/3304-27-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/3304-31-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/3304-41-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB