Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-09-2022 17:07

General

  • Target

    FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe

  • Size

    3.4MB

  • MD5

    fc8292e20e956e494064d005dd3cdf7d

  • SHA1

    36fcd3d13e53ae0757a4115cacd3123e983e8937

  • SHA256

    63ec772a57bb782428643ac0926ef9a26e5687c29994041be791a313f592055f

  • SHA512

    52d34aa67efe2cce73c2390cd00e942cc85dbf7dd3db2a1663d690f893d0a7e2263f07b2d89b8a7dc07aac4678a0b73ad72f3be855f12772f769fb5bdbb448ec

  • SSDEEP

    98304:2Jm1Yc2EzHm2yMMXCjhlJIqLz6L7lE/WGBg:2QfG2yVCVlJIgCEW

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

grtgrnmwljenf.con-ip.com:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • UPX packed file 8 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe
    "C:\Users\Admin\AppData\Local\Temp\FORMATO DE REALIZACION DE CUENTA DE AHORRO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/548-72-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-62-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-67-0x00000000007E2740-mapping.dmp

  • memory/548-68-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-66-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-77-0x0000000000190000-0x000000000019A000-memory.dmp

    Filesize

    40KB

  • memory/548-76-0x0000000000190000-0x000000000019A000-memory.dmp

    Filesize

    40KB

  • memory/548-70-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-63-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-65-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-75-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/548-74-0x0000000000190000-0x000000000019A000-memory.dmp

    Filesize

    40KB

  • memory/548-73-0x0000000000190000-0x000000000019A000-memory.dmp

    Filesize

    40KB

  • memory/548-69-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/1308-61-0x000000006F220000-0x000000006F7CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-57-0x0000000000000000-mapping.dmp

  • memory/1308-59-0x000000006F220000-0x000000006F7CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1308-60-0x000000006F220000-0x000000006F7CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2020-54-0x0000000000800000-0x0000000000B72000-memory.dmp

    Filesize

    3.4MB

  • memory/2020-56-0x0000000005320000-0x0000000005688000-memory.dmp

    Filesize

    3.4MB

  • memory/2020-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB