Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2024 16:02

General

  • Target

    2052-150-0x000001A9BB0E0000-0x000001A9BB0F0000-memory.exe

  • Size

    64KB

  • MD5

    2e511711556c84a5748e2a3c9508f79d

  • SHA1

    793fd65b8ad3e3ff4d32b2a2a77873cdd2e51d14

  • SHA256

    38933a739032b6ccbe0e7e21c2a3f68b26c87ec8f89e51701899099443affaf8

  • SHA512

    ac49bf92e5ca38a776b2435eb502a8c04334f76a9d76f68e1c78b6d4edee9506959f840808884a71c17e45822e41b167c40de0a1b33caa8a4bed2775cdf274c7

  • SSDEEP

    768:8TaTaHaxVq3LgGHk8qZHkvhxST9BeY0FWPG9tM6TOMh+7It:8TaT4a8gykRhWhx69BehFh9tM6TOMIk

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

6lFXjUqCtT3P20q9

Attributes
  • install_file

    wintousb.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2052-150-0x000001A9BB0E0000-0x000001A9BB0F0000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\2052-150-0x000001A9BB0E0000-0x000001A9BB0F0000-memory.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2052-150-0x000001A9BB0E0000-0x000001A9BB0F0000-memory.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:672
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2052-150-0x000001A9BB0E0000-0x000001A9BB0F0000-memory.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    440cb38dbee06645cc8b74d51f6e5f71

    SHA1

    d7e61da91dc4502e9ae83281b88c1e48584edb7c

    SHA256

    8ef7a682dfd99ff5b7e9de0e1be43f0016d68695a43c33c028af2635cc15ecfe

    SHA512

    3aab19578535e6ba0f6beb5690c87d970292100704209d2dcebddcdd46c6bead27588ef5d98729bfd50606a54cc1edf608b3d15bef42c13b9982aaaf15de7fd6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    be9965796e35a7999ce50af07f73b631

    SHA1

    dde100f3f5a51fa399755fefd49da003d887742a

    SHA256

    6ea6a56f5d5ec6f60b5a748840eed28859f792db2e37f4c1c419e3a92fc619b3

    SHA512

    45369246c8f6e80fa7a3c34db98922702e5f10e67348c94bb27f5bb241ad72cecd72ff5843a2c6b47cec390a6b9c97ba3c4d4244c62b8119ce1b2ca0c3dc3e37

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aagqrog1.4rk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/672-7-0x00000217CC490000-0x00000217CC4B2000-memory.dmp

    Filesize

    136KB

  • memory/672-12-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/672-13-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/672-14-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/672-17-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-0-0x00007FF92BA13000-0x00007FF92BA15000-memory.dmp

    Filesize

    8KB

  • memory/3436-1-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

    Filesize

    64KB

  • memory/3436-30-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-31-0x00007FF92BA10000-0x00007FF92C4D1000-memory.dmp

    Filesize

    10.8MB