Overview

overview

10

Static

static

DENUNCIA V...RA.exe

windows7_x64

10

DENUNCIA V...RA.exe

windows10_x64

10

DENUNCIA V...RA.exe

windows10-2004_x64

10

DENUNCIA V...RA.exe

windows11_x64

Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09-06-2022 10:37

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General

  • Target

    DENUNCIA VIRTUAL IMPUESTA EN SU CONTRA.exe

  • Size

    160KB

  • MD5

    c9e93cb3148aa7fd9aeb11e3deaaa994

  • SHA1

    4dec478206a5ac46a560f8bb36b8ef7abf7cadb9

  • SHA256

    86456c0b66bf59cbdddd5419cca3b24d4d303b8e7ed5261181ae1ab3933e55e8

  • SHA512

    0c80ee1d9f61c8d73902673103bfe3b3dd480b564dc2a4f9822f78d6eef92441b93afbfbc9236ab9eb210a2911d66ffa82bf39001c2ddb7f4925347bbb69417b

Score
10/10
bitratpersistencetrojanupx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

reyhrwwet4y.duckdns.org :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.

    trojanbitrat
  • UPX packed file 6 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 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.

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DENUNCIA VIRTUAL IMPUESTA EN SU CONTRA.exe
    "C:\Users\Admin\AppData\Local\Temp\DENUNCIA VIRTUAL IMPUESTA EN SU CONTRA.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:4184
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout 20
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1452
        • C:\Windows\SysWOW64\timeout.exe
          timeout 20
          3⤵
          • Delays execution with timeout.exe
          PID:1604
      • 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:4572

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1452-133-0x0000000000000000-mapping.dmp
      Download
    • memory/1604-134-0x0000000000000000-mapping.dmp
      Download
    • memory/1616-131-0x0000000000BF0000-0x0000000000C1E000-memory.dmp
      Filesize

      184KB

      Download
    • memory/4184-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4572-139-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-142-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-137-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-138-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4572-140-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-141-0x0000000075040000-0x0000000075079000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-136-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-143-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-144-0x0000000000400000-0x00000000007E4000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4572-145-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-146-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-147-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download
    • memory/4572-148-0x0000000075420000-0x0000000075459000-memory.dmp
      Filesize

      228KB

      Download