Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-03-2021 06:47

General

  • Target

    INVOICE-ORDER CONFIRM.exe

  • Size

    3.1MB

  • MD5

    6282b0c5f353fb2e52ef52934fdf4c9a

  • SHA1

    351978b673a71d15ed2d3c881457e4aebb4a286f

  • SHA256

    5586ef434d41ac7bb60ad57a628edf85fcc53ec6617680e3b77730054eb1076d

  • SHA512

    8e7a1290422fd2cd7330c12bf91caee4335e094c0522f19a0a7750c4a6f10b9dfe0dd0c733661ec7b6815f0885bdc2b083fbfc78f91fef93ab14bb46b7895e19

Malware Config

Signatures

  • BitRAT

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

  • BitRAT Payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

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

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE-ORDER CONFIRM.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE-ORDER CONFIRM.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "micpiclined" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\micpiclined.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "micpiclined" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\micpiclined.exe"
        3⤵
        • Adds Run key to start application
        PID:3696
    • C:\Users\Admin\AppData\Roaming\micpiclined.exe
      "C:\Users\Admin\AppData\Roaming\micpiclined.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Users\Admin\AppData\Roaming\micpiclined.exe
        "C:\Users\Admin\AppData\Roaming\micpiclined.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:784
        • C:\Windows\System32\fodhelper.exe
          "C:\Windows\System32\fodhelper.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3492
          • C:\Users\Admin\AppData\Roaming\micpiclined.exe
            "C:\Users\Admin\AppData\Roaming\micpiclined.exe" -wdkill
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\micpiclined.exe.log
    MD5

    7648e852b0157b362b07766e0b5b355e

    SHA1

    6f9ac6e9d89842d38345fb83930d8c927cb44c69

    SHA256

    8dd14eb336757d783e47f36a98a4fe5c1314d93782907f538417265037819896

    SHA512

    849e5e18a2439b9a228395c5f92d1ff8111b84ca7e56f9c2ace3580d21ceee0f78f7e9836668970a401fcf2fa2d88ff9aa89935595f45302b6af88a4069138d2

  • C:\Users\Admin\AppData\Roaming\micpiclined.exe
    MD5

    6282b0c5f353fb2e52ef52934fdf4c9a

    SHA1

    351978b673a71d15ed2d3c881457e4aebb4a286f

    SHA256

    5586ef434d41ac7bb60ad57a628edf85fcc53ec6617680e3b77730054eb1076d

    SHA512

    8e7a1290422fd2cd7330c12bf91caee4335e094c0522f19a0a7750c4a6f10b9dfe0dd0c733661ec7b6815f0885bdc2b083fbfc78f91fef93ab14bb46b7895e19

  • C:\Users\Admin\AppData\Roaming\micpiclined.exe
    MD5

    6282b0c5f353fb2e52ef52934fdf4c9a

    SHA1

    351978b673a71d15ed2d3c881457e4aebb4a286f

    SHA256

    5586ef434d41ac7bb60ad57a628edf85fcc53ec6617680e3b77730054eb1076d

    SHA512

    8e7a1290422fd2cd7330c12bf91caee4335e094c0522f19a0a7750c4a6f10b9dfe0dd0c733661ec7b6815f0885bdc2b083fbfc78f91fef93ab14bb46b7895e19

  • C:\Users\Admin\AppData\Roaming\micpiclined.exe
    MD5

    6282b0c5f353fb2e52ef52934fdf4c9a

    SHA1

    351978b673a71d15ed2d3c881457e4aebb4a286f

    SHA256

    5586ef434d41ac7bb60ad57a628edf85fcc53ec6617680e3b77730054eb1076d

    SHA512

    8e7a1290422fd2cd7330c12bf91caee4335e094c0522f19a0a7750c4a6f10b9dfe0dd0c733661ec7b6815f0885bdc2b083fbfc78f91fef93ab14bb46b7895e19

  • C:\Users\Admin\AppData\Roaming\micpiclined.exe
    MD5

    6282b0c5f353fb2e52ef52934fdf4c9a

    SHA1

    351978b673a71d15ed2d3c881457e4aebb4a286f

    SHA256

    5586ef434d41ac7bb60ad57a628edf85fcc53ec6617680e3b77730054eb1076d

    SHA512

    8e7a1290422fd2cd7330c12bf91caee4335e094c0522f19a0a7750c4a6f10b9dfe0dd0c733661ec7b6815f0885bdc2b083fbfc78f91fef93ab14bb46b7895e19

  • memory/784-34-0x00000000007E1310-mapping.dmp
  • memory/784-33-0x0000000000400000-0x00000000007E3000-memory.dmp
    Filesize

    3.9MB

  • memory/784-36-0x0000000000400000-0x00000000007E3000-memory.dmp
    Filesize

    3.9MB

  • memory/980-31-0x0000000005F00000-0x0000000005F0B000-memory.dmp
    Filesize

    44KB

  • memory/980-19-0x0000000073A80000-0x000000007416E000-memory.dmp
    Filesize

    6.9MB

  • memory/980-30-0x0000000004FB1000-0x0000000004FB2000-memory.dmp
    Filesize

    4KB

  • memory/980-32-0x00000000046D0000-0x00000000046D1000-memory.dmp
    Filesize

    4KB

  • memory/980-16-0x0000000000000000-mapping.dmp
  • memory/980-26-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/1192-7-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/1192-5-0x00000000054B0000-0x00000000054B1000-memory.dmp
    Filesize

    4KB

  • memory/1192-9-0x00000000051C0000-0x00000000051C1000-memory.dmp
    Filesize

    4KB

  • memory/1192-12-0x0000000006EB0000-0x0000000006EB1000-memory.dmp
    Filesize

    4KB

  • memory/1192-15-0x00000000051C1000-0x00000000051C2000-memory.dmp
    Filesize

    4KB

  • memory/1192-3-0x0000000000310000-0x0000000000311000-memory.dmp
    Filesize

    4KB

  • memory/1192-10-0x0000000006EF0000-0x0000000006F11000-memory.dmp
    Filesize

    132KB

  • memory/1192-2-0x0000000073A80000-0x000000007416E000-memory.dmp
    Filesize

    6.9MB

  • memory/1192-6-0x0000000004E80000-0x0000000004E81000-memory.dmp
    Filesize

    4KB

  • memory/1192-11-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
    Filesize

    4KB

  • memory/1256-52-0x0000000004C51000-0x0000000004C52000-memory.dmp
    Filesize

    4KB

  • memory/1256-38-0x0000000000000000-mapping.dmp
  • memory/1256-41-0x00000000724D0000-0x0000000072BBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1256-48-0x0000000004C50000-0x0000000004C51000-memory.dmp
    Filesize

    4KB

  • memory/3452-13-0x0000000000000000-mapping.dmp
  • memory/3492-37-0x0000000000000000-mapping.dmp
  • memory/3696-14-0x0000000000000000-mapping.dmp