Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    09-08-2022 16:16

General

  • Target

    Interac-e-Transfer-Receipt.exe

  • Size

    300.0MB

  • MD5

    8dac8b61bf8c23264873a3f3bee260f5

  • SHA1

    ba581c38574794324ea714a48671fad7f2384dbe

  • SHA256

    7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

  • SHA512

    65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitrat9300.duckdns.org:9300

Attributes
  • communication_password

    e10adc3949ba59abbe56e057f20f883e

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 9 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:1964
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe" "C:\Users\Admin\AppData\Local\Temp\olkij.exe"
      2⤵
        PID:1488
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1200
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {139C17B6-F165-46C1-B328-C8DA43D30DA3} S-1-5-21-4084403625-2215941253-1760665084-1000:LDLTPJLN\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Users\Admin\AppData\Local\Temp\olkij.exe
        C:\Users\Admin\AppData\Local\Temp\olkij.exe
        2⤵
        • Executes dropped EXE
        PID:1644

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\olkij.exe

      Filesize

      300.0MB

      MD5

      8dac8b61bf8c23264873a3f3bee260f5

      SHA1

      ba581c38574794324ea714a48671fad7f2384dbe

      SHA256

      7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

      SHA512

      65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

    • C:\Users\Admin\AppData\Local\Temp\olkij.exe

      Filesize

      300.0MB

      MD5

      8dac8b61bf8c23264873a3f3bee260f5

      SHA1

      ba581c38574794324ea714a48671fad7f2384dbe

      SHA256

      7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

      SHA512

      65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

    • memory/1124-54-0x00000000003D0000-0x000000000055A000-memory.dmp

      Filesize

      1.5MB

    • memory/1200-68-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-70-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-59-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-61-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-62-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-63-0x00000000007E2730-mapping.dmp

    • memory/1200-64-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-65-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-66-0x0000000075871000-0x0000000075873000-memory.dmp

      Filesize

      8KB

    • memory/1200-75-0x00000000000B0000-0x00000000000BA000-memory.dmp

      Filesize

      40KB

    • memory/1200-69-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-58-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-71-0x00000000000B0000-0x00000000000BA000-memory.dmp

      Filesize

      40KB

    • memory/1200-72-0x00000000000B0000-0x00000000000BA000-memory.dmp

      Filesize

      40KB

    • memory/1200-73-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/1200-74-0x00000000000B0000-0x00000000000BA000-memory.dmp

      Filesize

      40KB

    • memory/1488-56-0x0000000000000000-mapping.dmp

    • memory/1644-77-0x0000000000000000-mapping.dmp

    • memory/1644-79-0x0000000000B40000-0x0000000000CCA000-memory.dmp

      Filesize

      1.5MB

    • memory/1964-57-0x0000000000000000-mapping.dmp

    • memory/2000-55-0x0000000000000000-mapping.dmp