Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 01:19

General

  • Target

    7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe

  • Size

    548KB

  • MD5

    41dc167b623d1e1d03a4eff1763774ad

  • SHA1

    c3b4c41bd9069acaff2816ddc6a99988c9eefea8

  • SHA256

    7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef

  • SHA512

    4aa6f5d3991fd6e98f1df2317fcb9d4e66b43b820c023f83d721d57550ece27403f2612cf23804baeccd3a67f76ad46838c46fa2e3910d6c7f73f2b5de6d07f8

  • SSDEEP

    12288:04L+hETMUnJEz70ABnr9vQ0nqSbBZF70hiolTm+k:3lEz70YWKB8Pl

Malware Config

Extracted

Family

xworm

C2

104.250.180.178:5414

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • 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\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe
    "C:\Users\Admin\AppData\Local\Temp\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe
      "C:\Users\Admin\AppData\Local\Temp\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.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:1756
      • 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\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3140
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5004
      • 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:3280
      • 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:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7770eddde9a0ecf43aaef22995fa8a52dfa074a4f27cf65e38479087bc7138ef.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    c324b2066dfe50155526ee1c9c3e0810

    SHA1

    e555ccb4683868b16c86f92265a094bde3304fd6

    SHA256

    26e9387071e989d602795af70b2d7df00038445c804c4375b62860c6ee59cfd6

    SHA512

    791e886daf0d49f739cb4888f8b649266be2e4e25535c1168cf344e5ec23122df9ea549a8308e9d979a370d7ab4d22408b4ddd2c4cb8630375bf50cdd424bd6d

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

    Filesize

    18KB

    MD5

    59a3c97a2b9cda09cf34ac98bf052602

    SHA1

    eaadf0cdaa79533412aa7a550ff553317c047ecf

    SHA256

    47da45ceda8f0b4153923f70d51c6cd9ce27dcd4c91f5f4ff06f2e2a90751c57

    SHA512

    af7858c3b9f1f64f8a43101755423f3971f9d21dda936b82b37e2b8a7025f25b898668d58bb26a9bda3bae5d257ecda5d8d68154c6d67f463f3da31512b3d906

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

    Filesize

    18KB

    MD5

    8f3ba514f32dd6e812a1285207c3582e

    SHA1

    f5f9138ed2013a687db1589e82e5df85ae193c57

    SHA256

    7eb5e6079bbfe68c63e9a8ad6ea3b6080809bd8d3357ccf106ea4ac27a2cf42a

    SHA512

    295f6bead290500a318cb14fb45af44de5043d7fa3730718f475da773f82c7f84d5df5acb735417a2e1861befdbd84e65b8803b41a64260456a85ff731e1095d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mjkuibjx.qvl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/960-115-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

    Filesize

    304KB

  • memory/1756-11-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/1756-15-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-132-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-131-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-130-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-47-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

    Filesize

    120KB

  • memory/3140-51-0x00000000070D0000-0x00000000070DA000-memory.dmp

    Filesize

    40KB

  • memory/3140-16-0x0000000002420000-0x0000000002456000-memory.dmp

    Filesize

    216KB

  • memory/3140-19-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-20-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-18-0x0000000004F70000-0x0000000005598000-memory.dmp

    Filesize

    6.2MB

  • memory/3140-21-0x0000000004E70000-0x0000000004E92000-memory.dmp

    Filesize

    136KB

  • memory/3140-23-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/3140-22-0x00000000055A0000-0x0000000005606000-memory.dmp

    Filesize

    408KB

  • memory/3140-17-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-33-0x0000000005950000-0x0000000005CA4000-memory.dmp

    Filesize

    3.3MB

  • memory/3140-34-0x0000000005D30000-0x0000000005D4E000-memory.dmp

    Filesize

    120KB

  • memory/3140-35-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

    Filesize

    304KB

  • memory/3140-36-0x0000000006300000-0x0000000006332000-memory.dmp

    Filesize

    200KB

  • memory/3140-60-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3140-48-0x0000000006F30000-0x0000000006FD3000-memory.dmp

    Filesize

    652KB

  • memory/3140-37-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

    Filesize

    304KB

  • memory/3140-50-0x0000000007060000-0x000000000707A000-memory.dmp

    Filesize

    104KB

  • memory/3140-49-0x00000000076A0000-0x0000000007D1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3140-57-0x0000000007380000-0x0000000007388000-memory.dmp

    Filesize

    32KB

  • memory/3140-52-0x00000000072E0000-0x0000000007376000-memory.dmp

    Filesize

    600KB

  • memory/3140-53-0x0000000007260000-0x0000000007271000-memory.dmp

    Filesize

    68KB

  • memory/3140-54-0x0000000007290000-0x000000000729E000-memory.dmp

    Filesize

    56KB

  • memory/3140-55-0x00000000072A0000-0x00000000072B4000-memory.dmp

    Filesize

    80KB

  • memory/3140-56-0x00000000073A0000-0x00000000073BA000-memory.dmp

    Filesize

    104KB

  • memory/3280-94-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

    Filesize

    304KB

  • memory/4640-10-0x000000000AAC0000-0x000000000AB5C000-memory.dmp

    Filesize

    624KB

  • memory/4640-1-0x0000000000B40000-0x0000000000BCC000-memory.dmp

    Filesize

    560KB

  • memory/4640-8-0x00000000082E0000-0x00000000082EC000-memory.dmp

    Filesize

    48KB

  • memory/4640-14-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-9-0x0000000008310000-0x0000000008368000-memory.dmp

    Filesize

    352KB

  • memory/4640-4-0x00000000055D0000-0x00000000055DA000-memory.dmp

    Filesize

    40KB

  • memory/4640-7-0x00000000082D0000-0x00000000082D8000-memory.dmp

    Filesize

    32KB

  • memory/4640-3-0x00000000055E0000-0x0000000005672000-memory.dmp

    Filesize

    584KB

  • memory/4640-6-0x00000000082B0000-0x00000000082C2000-memory.dmp

    Filesize

    72KB

  • memory/4640-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/4640-5-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-0-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/5004-73-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

    Filesize

    304KB

  • memory/5004-71-0x0000000005D50000-0x00000000060A4000-memory.dmp

    Filesize

    3.3MB