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Analysis

  • max time kernel
    179s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 08:23

General

  • Target

    2ef00e66804e808f9c5a4d6a1943cc8a.exe

  • Size

    4.2MB

  • MD5

    2ef00e66804e808f9c5a4d6a1943cc8a

  • SHA1

    6c7a46a69ac5d3f32d047a14c8ce03c1a53ec3a5

  • SHA256

    c21010f7c87e95f3df9c061e697437f5a165a194f69c88887ed36c6217b71d48

  • SHA512

    01380f1fafd75cd33e413282019305f525c410a2939525babc4ef0d2b529bd12db7349f066724d9ad473ce41c5c5ecf83d9e7cab560c37fb149ac3e3b77afb5c

  • SSDEEP

    98304:MosKQ+SGjJLHXW5ru4IufoXqXBEQzpPYKXsJuBfkL3O2s:Mos2SGj93wruGfoXqXBR8uBfL

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

snkno.duckdns.org:43413

Attributes
  • communication_password

    827ccb0eea8a706c4c34a16891f84e7b

  • tor_process

    tor

Signatures

  • BitRAT

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

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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).

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ef00e66804e808f9c5a4d6a1943cc8a.exe
    "C:\Users\Admin\AppData\Local\Temp\2ef00e66804e808f9c5a4d6a1943cc8a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrjKuutveP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF98E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1964
    • C:\Users\Admin\AppData\Local\Temp\2ef00e66804e808f9c5a4d6a1943cc8a.exe
      "C:\Users\Admin\AppData\Local\Temp\2ef00e66804e808f9c5a4d6a1943cc8a.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF98E.tmp

    Filesize

    1KB

    MD5

    5606e5bbf5319b62bbf0706296c60d3a

    SHA1

    243a9b7b1e2c57b69f66aed25c6df03ebae3de45

    SHA256

    1ccfa98bd9853083355b02ca52b9fa1ffc08b12e9c323a5ddf80317e8570260f

    SHA512

    6129d53034d41ee44ab032a554d39ffc545788cb9b827c812a284ee5672e5be2a31743f1f86def3f0036a8d9b7d6cdb5b8293b3f467c43ff6606c98105d069e7

  • memory/3080-6-0x0000000005DF0000-0x0000000005DFA000-memory.dmp

    Filesize

    40KB

  • memory/3080-2-0x0000000006430000-0x00000000069D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3080-3-0x0000000005E80000-0x0000000005F12000-memory.dmp

    Filesize

    584KB

  • memory/3080-4-0x0000000005F20000-0x0000000005FBC000-memory.dmp

    Filesize

    624KB

  • memory/3080-5-0x0000000005DB0000-0x0000000005DC0000-memory.dmp

    Filesize

    64KB

  • memory/3080-22-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3080-7-0x0000000005850000-0x0000000005862000-memory.dmp

    Filesize

    72KB

  • memory/3080-8-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3080-9-0x0000000005DB0000-0x0000000005DC0000-memory.dmp

    Filesize

    64KB

  • memory/3080-10-0x000000000A920000-0x000000000AD36000-memory.dmp

    Filesize

    4.1MB

  • memory/3080-11-0x000000000AD30000-0x000000000B0FE000-memory.dmp

    Filesize

    3.8MB

  • memory/3080-1-0x0000000000FC0000-0x00000000013FE000-memory.dmp

    Filesize

    4.2MB

  • memory/3080-0-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-30-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-35-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB

  • memory/4852-20-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-18-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-23-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-24-0x0000000074840000-0x0000000074879000-memory.dmp

    Filesize

    228KB

  • memory/4852-27-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-28-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-17-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-32-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB

  • memory/4852-31-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-29-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-26-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-25-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-33-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-21-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-34-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-36-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-37-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-39-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB

  • memory/4852-38-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-40-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-41-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-42-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB

  • memory/4852-43-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-44-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-45-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB

  • memory/4852-46-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-47-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4852-48-0x0000000074C20000-0x0000000074C59000-memory.dmp

    Filesize

    228KB