Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 16:40

General

  • Target

    ohtie89k.exe

  • Size

    148KB

  • MD5

    ba57c75d6c4e2936f6cad4a1ba4c29d1

  • SHA1

    8299498803759fbb63a323b0ad64694d72d0c352

  • SHA256

    c54714fec4a8cab57d0f0304210fc2f4f50f6fbcee80fc2d3db9cf30a31853d2

  • SHA512

    3dcf87f4242b0c71c35c28f9f68e9994df8ce0888119ace1d4433303d22d856e45bf47dd88d7c4c5b32c2806f60187470f1548296bbfd7d27f87bb6526f7a10b

  • SSDEEP

    3072:sFZbBnzDocMDOhTxVpK4x3ZlhNxB2S+T0Wu4wvAaqifHulgOw:SBnrMDuR95HjxBT+T0zk4Yh

Malware Config

Extracted

Family

xworm

C2

mylogsprvt.zapto.org:8899

Mutex

SmH2L0949LC6zVSS

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

newest

C2

mylogsprvt.zapto.org:45630

Signatures

  • Detect Xworm Payload 2 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Sectoprat family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ohtie89k.exe
    "C:\Users\Admin\AppData\Local\Temp\ohtie89k.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\ProgramData\windows.exe
      "C:\ProgramData\windows.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1172
    • C:\ProgramData\service.exe
      "C:\ProgramData\service.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn "service" /tr "C:\Users\Admin\AppData\Roaming\service.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1868
  • C:\Users\Admin\AppData\Roaming\service.exe
    C:\Users\Admin\AppData\Roaming\service.exe
    1⤵
    • Executes dropped EXE
    PID:3116
  • C:\Users\Admin\AppData\Roaming\service.exe
    C:\Users\Admin\AppData\Roaming\service.exe
    1⤵
    • Executes dropped EXE
    PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\service.exe

    Filesize

    44KB

    MD5

    4281b5461ba14bd8d120b72d4c7e12aa

    SHA1

    ce0dc0fa3daead9d9cf8d97699144118af68c91c

    SHA256

    4d1c2ad91414be21420eea26ab49e3583e9d7ded659f969d3a23909c8ce17810

    SHA512

    a7dc39d25f6c2fb6ea09e2037b5cb95d6141698d5f7051ccb84d1742c20e43520e795f718fa1d1196007e764a05d893d57f8ac6f23df0a18da40cc7b738291a2

  • C:\ProgramData\windows.exe

    Filesize

    95KB

    MD5

    93d6bdf913cab64fec58c765afdba3d4

    SHA1

    ea2aa579723c407e944edca127e0850e349c8011

    SHA256

    d525c300a08bb594ee6e385d1c145d857935ed0303a534fcb47dc1637d2f03c6

    SHA512

    54bd792b65d01bd8b1b1aa43c3cbd20e0028966a264b1d117660acb279587b92a903ac7c82e66a35265644dde212179a9406fec756ca2da239f228459a4b73e4

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\service.exe.log

    Filesize

    1KB

    MD5

    a8a147915e3a996fdbe10b3a3f1e1bb2

    SHA1

    abc564c1be468d57e700913e7b6cf8f62d421263

    SHA256

    8b96a8557deea66696837af011843d6a82451ba57c8f9b5a2726a70818d6fc7e

    SHA512

    17b42f17ef60a9f625703172763f692e5ed2ca93564a97853dfa72bb0ac6305ef3267aea0b205938e3aa8eac10156d9d4f322b30d0329d92d647bcec6372731c

  • memory/216-0-0x00007FFFFDBF3000-0x00007FFFFDBF5000-memory.dmp

    Filesize

    8KB

  • memory/216-1-0x00000000003D0000-0x00000000003FC000-memory.dmp

    Filesize

    176KB

  • memory/1172-27-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/1172-40-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/1172-28-0x00000000004F0000-0x000000000050E000-memory.dmp

    Filesize

    120KB

  • memory/1172-29-0x0000000005460000-0x0000000005A78000-memory.dmp

    Filesize

    6.1MB

  • memory/1172-30-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

    Filesize

    72KB

  • memory/1172-31-0x0000000004F20000-0x0000000004F5C000-memory.dmp

    Filesize

    240KB

  • memory/1172-35-0x0000000004F60000-0x0000000004FAC000-memory.dmp

    Filesize

    304KB

  • memory/1172-36-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1172-41-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/1172-38-0x00000000051C0000-0x00000000052CA000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-26-0x00007FFFFDBF0000-0x00007FFFFE6B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3672-39-0x00007FFFFDBF0000-0x00007FFFFE6B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3672-37-0x000000001BBB0000-0x000000001BBC0000-memory.dmp

    Filesize

    64KB

  • memory/3672-42-0x000000001BBB0000-0x000000001BBC0000-memory.dmp

    Filesize

    64KB

  • memory/3672-24-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

    Filesize

    72KB