Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 09:55

General

  • Target

    cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe

  • Size

    509KB

  • MD5

    ff3aea929347d0168b02de5d2c2bcec3

  • SHA1

    fd7eaa628f424fc1384bcbd926a551c8e60740db

  • SHA256

    cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651

  • SHA512

    c5ba038472b25fa013852b57fa712a286e56a85f015b68c5e7da72ed403aa0b896deb6583407894ae76dc59e90c475a161504d55202b4b7fe774732b22793c3b

  • SSDEEP

    12288:lUrKkGdrJwKcItNXOMaFshRSxD1ulXrvNE53jHd:DcA9NEQlXTaT

Malware Config

Extracted

Family

xworm

C2

104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 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.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe
    "C:\Users\Admin\AppData\Local\Temp\cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Local\Temp\cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe
      "C:\Users\Admin\AppData\Local\Temp\cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4552
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cdec22b746d955eea4a995cc06795a0964af334d9ad48d9666fa631cf594e651.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4256
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1656
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    3ee8cf32a0b583bb095140040155089e

    SHA1

    61c929eaa871189e037a8aeb0ca364c70ec1a40b

    SHA256

    5b45bbd8650cdd421d2fc6d0affabc9e1416ba147f50021fd5df1fc468c6f7c6

    SHA512

    6fefefa199944acdd2d0b4a6f3e3debc756500e39bb632716d0fd6d2294b9ed4cb41f642b6721c1b6afff2c2147ac4b0b77f02495680ff13be8956bbd368b637

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

    Filesize

    18KB

    MD5

    720f7e6ca810308ec5986675e542399e

    SHA1

    e20b68c44239f5ab703538f62a8d69e24eb07016

    SHA256

    de0bcecb4f8b20ea8e24f70befc036d9a19c5cbbf6072f33ec08cfd44fa4fcd2

    SHA512

    595e0eb098fcc24f1da2cc5775b40fb323c6bdca82ebf68f8b5cc94814722c29534ea2ca4ab33a464b07d7a175261440dc9558173469c67b072a0f221e82c165

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

    Filesize

    18KB

    MD5

    3f878d345a4ce190710d10bbb021ccf6

    SHA1

    db18415c1de418009815c5393dfd99e829f1e1d9

    SHA256

    7b9e9900b1ad8009093e9a433d73ae5ed663aca470dab80f796bace0657c4858

    SHA512

    e72636623be4f388ccada2df7384ec10a45bf9cf5fa91c2051fb94ad904fd5b8d157254301f80f4381c30c8bb957b8ee0d0cb9a0fd5e268405ee11e2daeea71a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bmuyuh4y.gnm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1656-90-0x00000000707D0000-0x000000007081C000-memory.dmp

    Filesize

    304KB

  • memory/1688-111-0x00000000707D0000-0x000000007081C000-memory.dmp

    Filesize

    304KB

  • memory/2988-128-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-126-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-127-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/2988-10-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2988-12-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-5-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-13-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-9-0x00000000069A0000-0x00000000069F6000-memory.dmp

    Filesize

    344KB

  • memory/3368-8-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/3368-7-0x0000000006E00000-0x0000000006E18000-memory.dmp

    Filesize

    96KB

  • memory/3368-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

    Filesize

    4KB

  • memory/3368-6-0x00000000057A0000-0x000000000583C000-memory.dmp

    Filesize

    624KB

  • memory/3368-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

    Filesize

    40KB

  • memory/3368-3-0x0000000005530000-0x00000000055C2000-memory.dmp

    Filesize

    584KB

  • memory/3368-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

    Filesize

    5.6MB

  • memory/3368-1-0x0000000000A30000-0x0000000000AB4000-memory.dmp

    Filesize

    528KB

  • memory/4256-69-0x00000000707D0000-0x000000007081C000-memory.dmp

    Filesize

    304KB

  • memory/4552-33-0x0000000006160000-0x0000000006192000-memory.dmp

    Filesize

    200KB

  • memory/4552-34-0x00000000707D0000-0x000000007081C000-memory.dmp

    Filesize

    304KB

  • memory/4552-44-0x0000000006140000-0x000000000615E000-memory.dmp

    Filesize

    120KB

  • memory/4552-45-0x0000000006DC0000-0x0000000006E63000-memory.dmp

    Filesize

    652KB

  • memory/4552-46-0x0000000007520000-0x0000000007B9A000-memory.dmp

    Filesize

    6.5MB

  • memory/4552-47-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

    Filesize

    104KB

  • memory/4552-48-0x0000000006F50000-0x0000000006F5A000-memory.dmp

    Filesize

    40KB

  • memory/4552-49-0x0000000007160000-0x00000000071F6000-memory.dmp

    Filesize

    600KB

  • memory/4552-50-0x00000000070E0000-0x00000000070F1000-memory.dmp

    Filesize

    68KB

  • memory/4552-51-0x0000000007110000-0x000000000711E000-memory.dmp

    Filesize

    56KB

  • memory/4552-52-0x0000000007120000-0x0000000007134000-memory.dmp

    Filesize

    80KB

  • memory/4552-53-0x0000000007220000-0x000000000723A000-memory.dmp

    Filesize

    104KB

  • memory/4552-54-0x0000000007200000-0x0000000007208000-memory.dmp

    Filesize

    32KB

  • memory/4552-57-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4552-32-0x0000000005C00000-0x0000000005C4C000-memory.dmp

    Filesize

    304KB

  • memory/4552-31-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

    Filesize

    120KB

  • memory/4552-30-0x0000000005830000-0x0000000005B84000-memory.dmp

    Filesize

    3.3MB

  • memory/4552-18-0x0000000005480000-0x00000000054A2000-memory.dmp

    Filesize

    136KB

  • memory/4552-24-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/4552-25-0x0000000005590000-0x00000000055F6000-memory.dmp

    Filesize

    408KB

  • memory/4552-17-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4552-16-0x0000000004E50000-0x0000000005478000-memory.dmp

    Filesize

    6.2MB

  • memory/4552-15-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4552-14-0x00000000022E0000-0x0000000002316000-memory.dmp

    Filesize

    216KB