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Analysis

  • max time kernel
    128s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/11/2024, 01:00

General

  • Target

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

  • Size

    528KB

  • MD5

    046dc61545c4ca911c25cfc844b3b00c

  • SHA1

    671cda72944c3920edb83520eb5d2317af0c60cb

  • SHA256

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

  • SHA512

    c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

  • SSDEEP

    12288:5hU2ft8hWSxwvzeA5ScGZshgwnmnmalFYCJVM:bHfuWSxWRGgLmnmaQCJV

Malware Config

Extracted

Family

xworm

Version

3.1

C2

pkaraven.duckdns.org:9387

Mutex

PN8dWiUH0oIhIHhD

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.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 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
    "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UAfIsZeb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4260
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A35.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4456
    • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
      "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1912
      • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3668
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1652
      • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • 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

    a01f903d8bada3c9f1f2d3534f73e74f

    SHA1

    8304f899e61bf6318fdee613e3289c049593af92

    SHA256

    3284eaee0c4102f2a25f902527d9af9347eb2b35a9f6d85fbef981bbe26ef8a3

    SHA512

    8c377780d96b46f9c47c2f9bf5b58c412506bbd1159a023af6579495f353ff163b929ce074a54b2c0716b8bdfeb08f78de9b05a8b98ef94ae4247a5462715b3e

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

    Filesize

    18KB

    MD5

    b31a4ffda3aa0c07859ed038b7dccadb

    SHA1

    093290c25edd3dacc7458d524da05a70de5e8b19

    SHA256

    a31c5e045ce6e96bf33c4be16bacf9463fdd3b02875589fa21feef6d39cea711

    SHA512

    b801852146c38b979048e74192328f9ef9f1b1b0d9c312a6cbaa9085cad676c917ce35ec247fc157c806c0dfcb38254074a9506dec32af2417f4ade67d1d41ae

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

    Filesize

    18KB

    MD5

    a0b0355642eac291775dcec2ef3fb2f9

    SHA1

    2da89913af1814d36d744f56938fbabd7412d44c

    SHA256

    2f150902104ddb01e91349a61e3ba662c6228bf523350ac63e565d51c5980e26

    SHA512

    015b939fb24131a318e839bf4c8042d29b8e4c5ed5d5b40a2579fe44b3d7ad0598eaeb4bde0e46fab8edbe629325d871802d50e7e120a50c58af1cefe40dfcd8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tm0mpsbj.150.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp3A35.tmp

    Filesize

    1KB

    MD5

    1829ea10511420363b8e1d5680d3e31a

    SHA1

    773755b6b1d75b495e468b04786be96b5e91a47f

    SHA256

    122921026c8452e6d1ee4089c54fefdd20fd0fcefda3bca7e49c1b0a607a11f9

    SHA512

    c210012c289c094697f8df68e23195695fcffa50be98fa971b3506004ba1075ff37dc09594c37703f4be2d75d596d85fdfa1ad03cfc8a4a3e3f1ccabf95ec91c

  • C:\Users\Admin\AppData\Roaming\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

    Filesize

    528KB

    MD5

    046dc61545c4ca911c25cfc844b3b00c

    SHA1

    671cda72944c3920edb83520eb5d2317af0c60cb

    SHA256

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

    SHA512

    c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

  • memory/876-50-0x0000000005B70000-0x0000000005BBC000-memory.dmp

    Filesize

    304KB

  • memory/876-108-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/876-86-0x0000000007100000-0x0000000007196000-memory.dmp

    Filesize

    600KB

  • memory/876-87-0x0000000007080000-0x0000000007091000-memory.dmp

    Filesize

    68KB

  • memory/876-15-0x0000000002250000-0x0000000002286000-memory.dmp

    Filesize

    216KB

  • memory/876-16-0x0000000004D00000-0x0000000005328000-memory.dmp

    Filesize

    6.2MB

  • memory/876-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/876-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/876-63-0x0000000006D40000-0x0000000006DE3000-memory.dmp

    Filesize

    652KB

  • memory/876-20-0x0000000004B80000-0x0000000004BA2000-memory.dmp

    Filesize

    136KB

  • memory/876-23-0x0000000005410000-0x0000000005476000-memory.dmp

    Filesize

    408KB

  • memory/876-62-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/876-22-0x00000000053A0000-0x0000000005406000-memory.dmp

    Filesize

    408KB

  • memory/876-52-0x0000000075530000-0x000000007557C000-memory.dmp

    Filesize

    304KB

  • memory/876-51-0x0000000006AE0000-0x0000000006B12000-memory.dmp

    Filesize

    200KB

  • memory/876-88-0x00000000070B0000-0x00000000070BE000-memory.dmp

    Filesize

    56KB

  • memory/876-36-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/876-34-0x0000000005500000-0x0000000005854000-memory.dmp

    Filesize

    3.3MB

  • memory/876-49-0x0000000005B30000-0x0000000005B4E000-memory.dmp

    Filesize

    120KB

  • memory/876-75-0x0000000006E80000-0x0000000006E9A000-memory.dmp

    Filesize

    104KB

  • memory/1652-116-0x00000000061B0000-0x0000000006504000-memory.dmp

    Filesize

    3.3MB

  • memory/1652-122-0x0000000006D80000-0x0000000006DCC000-memory.dmp

    Filesize

    304KB

  • memory/1652-123-0x0000000070900000-0x000000007094C000-memory.dmp

    Filesize

    304KB

  • memory/1652-133-0x0000000007AD0000-0x0000000007B73000-memory.dmp

    Filesize

    652KB

  • memory/1652-134-0x0000000007D80000-0x0000000007D91000-memory.dmp

    Filesize

    68KB

  • memory/1652-135-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

    Filesize

    80KB

  • memory/1688-147-0x0000000070900000-0x000000007094C000-memory.dmp

    Filesize

    304KB

  • memory/1912-35-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2752-7-0x0000000005B20000-0x0000000005B32000-memory.dmp

    Filesize

    72KB

  • memory/2752-3-0x0000000005580000-0x0000000005612000-memory.dmp

    Filesize

    584KB

  • memory/2752-1-0x0000000000A60000-0x0000000000AEA000-memory.dmp

    Filesize

    552KB

  • memory/2752-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/2752-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

    Filesize

    4KB

  • memory/2752-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2752-10-0x0000000006AE0000-0x0000000006B34000-memory.dmp

    Filesize

    336KB

  • memory/2752-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

    Filesize

    4KB

  • memory/2752-5-0x0000000005720000-0x000000000572A000-memory.dmp

    Filesize

    40KB

  • memory/2752-4-0x0000000005620000-0x00000000056BC000-memory.dmp

    Filesize

    624KB

  • memory/2752-6-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/2752-48-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/3668-92-0x0000000075530000-0x000000007557C000-memory.dmp

    Filesize

    304KB

  • memory/4260-90-0x0000000007690000-0x00000000076AA000-memory.dmp

    Filesize

    104KB

  • memory/4260-47-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-107-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-91-0x0000000007670000-0x0000000007678000-memory.dmp

    Filesize

    32KB

  • memory/4260-24-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-19-0x0000000074CA0000-0x0000000075450000-memory.dmp

    Filesize

    7.7MB

  • memory/4260-76-0x00000000073C0000-0x00000000073CA000-memory.dmp

    Filesize

    40KB

  • memory/4260-89-0x0000000007590000-0x00000000075A4000-memory.dmp

    Filesize

    80KB

  • memory/4260-64-0x0000000075530000-0x000000007557C000-memory.dmp

    Filesize

    304KB

  • memory/4260-74-0x0000000007990000-0x000000000800A000-memory.dmp

    Filesize

    6.5MB