Analysis

  • max time kernel
    147s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 15:28

General

  • Target

    Expensive 3.0.exe

  • Size

    71KB

  • MD5

    4d8c67f116afed39d1a1638d1f60e82c

  • SHA1

    f7bde1231a237cd5bb663c729bee92bbdf20e46d

  • SHA256

    adba1f5dfc1e917467184dcc01cd67fe3e5dfafa5db03c52b4bb7894827fad79

  • SHA512

    9cc32e1dbe32d6f45f0c25782f55e0a62eb0cc78d426834cec9a91f209d2cc72fa7e1dc0995339a227b0f6124ac84602272aa1d71d0dfb6eea11328fe6415364

  • SSDEEP

    1536:FscQuSvo0znd8gyFRN2ibLC+bxGuTMcpoz6G4OufqN:FoPtzn+PNDbLC+bxGuTSF4Oufu

Malware Config

Extracted

Family

xworm

C2

loss-winners.gl.at.ply.gg:61007:1567

Attributes
  • Install_directory

    %AppData%

  • install_file

    Expensive 3.1.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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Expensive 3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Expensive 3.0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1072
    • 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\Expensive 3.0.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.0.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012
    • 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\Expensive 3.1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3296
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Expensive 3.1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

    Filesize

    944B

    MD5

    ef72c47dbfaae0b9b0d09f22ad4afe20

    SHA1

    5357f66ba69b89440b99d4273b74221670129338

    SHA256

    692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f

    SHA512

    7514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4

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

    Filesize

    944B

    MD5

    e58749a7a1826f6ea62df1e2ef63a32b

    SHA1

    c0bca21658b8be4f37b71eec9578bfefa44f862d

    SHA256

    0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93

    SHA512

    4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i4rmptta.53b.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1072-0-0x00007FFD5BCF3000-0x00007FFD5BCF5000-memory.dmp

    Filesize

    8KB

  • memory/1072-1-0x0000000000D00000-0x0000000000D18000-memory.dmp

    Filesize

    96KB

  • memory/1072-55-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB

  • memory/1072-54-0x00007FFD5BCF3000-0x00007FFD5BCF5000-memory.dmp

    Filesize

    8KB

  • memory/1072-53-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2908-7-0x0000018B46150000-0x0000018B46172000-memory.dmp

    Filesize

    136KB

  • memory/2908-17-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2908-14-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2908-13-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2908-12-0x00007FFD5BCF0000-0x00007FFD5C7B1000-memory.dmp

    Filesize

    10.8MB