Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 19:05

General

  • Target

    Mode.exe

  • Size

    45KB

  • MD5

    692bb1be0c680ec225c34bd446ead322

  • SHA1

    813345d33a051c297f342ae668e7a32b3e40837b

  • SHA256

    3242b26e5d8ebbe6993b03288ae30e5dfc7f0d93f06d8b4a225c184f24bd3034

  • SHA512

    2818761e76ad5f7aaf933a857d96d7080ea91653624d923b965c07e224b629b453f5f93c64880a4c9b1f2d55cfff97254c843160c97c169e7437912b80cd04ec

  • SSDEEP

    768:CurlDweV3OOVbADM9W1v9NfgkBpuAuREcNclYlVvD4xeVhKfkeLbFEPa9pvp16i4:CADweQKADMkV9GkSAcRaelZrO1/FJ9Nw

Malware Config

Extracted

Family

xworm

Version

5.0

C2

5.tcp.eu.ngrok.io:17399

Mutex

RxBZSfahWZHZu4kD

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 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.

  • Sets file execution options in registry 2 TTPs 2 IoCs
  • 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 connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Modifies registry class 3 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 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\Mode.exe
    "C:\Users\Admin\AppData\Local\Temp\Mode.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4928
    • 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\Mode.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4180
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Mode.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3648
    • 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\Roaming\svhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4280
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3228
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\Users\Admin\AppData\Roaming\svhost.exe"
      2⤵
      • Creates scheduled task(s)
      PID:3720
    • C:\Windows\regedit.exe
      "regedit.exe" "C:\Users\Admin\AppData\Local\Temp\nrslnk.reg"
      2⤵
      • Sets file execution options in registry
      • Runs .reg file with regedit
      PID:2368
    • C:\Users\Admin\AppData\Local\Temp\hkcwxi.exe
      "C:\Users\Admin\AppData\Local\Temp\hkcwxi.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\play.vbs"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:2688
  • C:\Users\Admin\AppData\Roaming\svhost.exe
    C:\Users\Admin\AppData\Roaming\svhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3252
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3132
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x510 0x4f0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4788
  • C:\Users\Admin\AppData\Roaming\svhost.exe
    C:\Users\Admin\AppData\Roaming\svhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3628
  • C:\Users\Admin\AppData\Roaming\svhost.exe
    C:\Users\Admin\AppData\Roaming\svhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3160

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

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
    Filesize

    256KB

    MD5

    31bf270dfb65dbde8f22850f36a68d65

    SHA1

    7540f99fd08eca37058f01189da24841be9ea227

    SHA256

    18a1de89312eecd5c007738bfc2f278502caf2556547730ab7b0eff503eb8e05

    SHA512

    d150837e5060f2dd5512d2ac7fbef86e77ad95a76a9867466bf908a72ba51a4788f5b79199c30f136718408ff30382b7d30a2db76be6c14868ff6ef52ad8b007

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
    Filesize

    9KB

    MD5

    7050d5ae8acfbe560fa11073fef8185d

    SHA1

    5bc38e77ff06785fe0aec5a345c4ccd15752560e

    SHA256

    cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

    SHA512

    a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

    944B

    MD5

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

    944B

    MD5

    ce4540390cc4841c8973eb5a3e9f4f7d

    SHA1

    2293f30a6f4c9538bc5b06606c10a50ab4ecef8e

    SHA256

    e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105

    SHA512

    2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b

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

    944B

    MD5

    7e3dba9896e2a6fc782ff3f38f7174a7

    SHA1

    a6277b46ae1cf2c66f6f79656eb5ec48c0ffe601

    SHA256

    34bf96a7a541eebcfd65e706649affeb64da710f89afa2386cc38714338c010d

    SHA512

    722c6778f5853fb8c12cb17ba443ce03b654d163dd39f8a1a54b89cc067d44dc8b536c90d2fae1805aea27e731056c0749264a1229538b1b17e019d9613affc1

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\lucky1.wav
    Filesize

    2.1MB

    MD5

    0a2821ba1b31a27a3fcb33c38f455c55

    SHA1

    03ba640291b1bd74f5468130407be97ee6b1aaa2

    SHA256

    31036d9a96e64187a451e75629669c54a22f4a62a434953b6295aa48e0f888e5

    SHA512

    e6ea6d01afbf3bef23701bdd620b6e2d09342b59a63e5c0473b5b5b81e7a8bf77f92dd7d1a334049466b047a7695a1441621e6fd83ac3ce83c90cf39d3c74fea

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\play.vbs
    Filesize

    237B

    MD5

    943fbf2e322c3947a95e5b65f037830a

    SHA1

    6f542e4bce155627aacbd5ffa5d2676bd4ac582c

    SHA256

    80b5238faedc84f7a8fa7151b03c968fd6693c37e7f9e9a116614e5d18edb7bf

    SHA512

    72af92a519740c7238df7a0645f5891fd8a19b1af05d11acd855d096b493e79b0b1da69fbd1cbcf49d71cdc220d6ef44894c65dcbc56e877a71e44f2a2e66777

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ekaemuru.qif.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\hkcwxi.exe
    Filesize

    2.0MB

    MD5

    1bad0e088a9f975004c2e8c28286e9a3

    SHA1

    890e7201e47a3f0c697bbe51cf2bfcab5de2f72a

    SHA256

    94b7776aaa8809f1799ef1cb5ddeb57bb6af67482f95203c0f385cc42100466c

    SHA512

    93110f321afc1d10b1129232b98b75663916b56fbd68411284da204e12a3c692cd50880abcdbf46077928107b6279ee718ce9724f30504bff152c9b7dc6337a2

  • C:\Users\Admin\AppData\Local\Temp\nrslnk.reg
    Filesize

    177B

    MD5

    ac6d546b9e8fd0cc8205ec3de3b531b3

    SHA1

    e7ad048b8a5b997bc8fd8171664026856e587453

    SHA256

    b7187ba265fc9e363c2d4565657294603f0258ff035dc7b3da8ff702472b9a1b

    SHA512

    ac5c28799e160b3c8b619b2484a00aee35d2421d195ad4ab5cb46ab0f59fd7a1a624917fd9e2ac154bb72bd53059ad140e390ca12faf736ce2eeb97bfb7fa2dd

  • C:\Users\Admin\AppData\Roaming\svhost.exe
    Filesize

    45KB

    MD5

    692bb1be0c680ec225c34bd446ead322

    SHA1

    813345d33a051c297f342ae668e7a32b3e40837b

    SHA256

    3242b26e5d8ebbe6993b03288ae30e5dfc7f0d93f06d8b4a225c184f24bd3034

    SHA512

    2818761e76ad5f7aaf933a857d96d7080ea91653624d923b965c07e224b629b453f5f93c64880a4c9b1f2d55cfff97254c843160c97c169e7437912b80cd04ec

  • memory/2688-91-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-92-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-93-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-94-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-95-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-96-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/2688-110-0x0000000005FA0000-0x0000000005FB0000-memory.dmp
    Filesize

    64KB

  • memory/4180-15-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4180-18-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4180-14-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4180-13-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4180-3-0x00000181C24D0000-0x00000181C24F2000-memory.dmp
    Filesize

    136KB

  • memory/4928-58-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4928-57-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp
    Filesize

    8KB

  • memory/4928-0-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp
    Filesize

    8KB

  • memory/4928-2-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp
    Filesize

    10.8MB

  • memory/4928-1-0x0000000000090000-0x00000000000A2000-memory.dmp
    Filesize

    72KB