Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 09:07

General

  • Target

    d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe

  • Size

    51KB

  • MD5

    a2ec2f7a3c221f89e8af8241f6cd5662

  • SHA1

    ba5d9ff0c3a8c4b571d85a1ae8fb559fcab89fd3

  • SHA256

    d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1

  • SHA512

    e97b01b898bcc28b27079493235dded8f418f676fbb5e89212a502228af32025f8caf8dfdd67a8b8489c2881ca6ff7746917980accd1fd0613bc537e637aa42a

  • SSDEEP

    768:1qTF41hqoKo8sDTO2QhFmp6F5PX9OaSp68OMh/3/C2gOMlAcqDD9ueqwx:1sOhqxdAa28FBF19jSp68OMl6DwJqwx

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7772

13.71.91.225:7772

Mutex

Sapr6UBSh6DxjMnP

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7585343577:AAHgS-QNhULHIXmK3EKIXWuMP2uRNZpJjd8/sendMessage?chat_id=5424396760

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 4 IoCs

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

  • Drops startup file 2 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).

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe
    "C:\Users\Admin\AppData\Local\Temp\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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\d7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd7f084d86011371cd5b8206708fd720f1ace9a2eea4c07cee00d9da3f95c9ae1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2548
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1212
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    10a7e1a50610dcf0d82f18dfc547605a

    SHA1

    91c45feb5611ef4b5764afd08e675520b3313351

    SHA256

    8f60a194d78884d15823701496b47f6e4163f44c11483560c67b6ce6ee4fb154

    SHA512

    27c412fc901b3be9e633f0620eda6d750969a7727c0a5321d662f3ace325c326328abb5dc963539a959cad5852c013bd7a95e4e04c8dd400b91dda5ac6e3c847

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1900-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

    Filesize

    4KB

  • memory/1900-1-0x00000000002A0000-0x00000000002B2000-memory.dmp

    Filesize

    72KB

  • memory/1900-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

    Filesize

    9.9MB

  • memory/1900-28-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

    Filesize

    4KB

  • memory/1900-33-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

    Filesize

    9.9MB

  • memory/2548-15-0x000000001B700000-0x000000001B9E2000-memory.dmp

    Filesize

    2.9MB

  • memory/2548-16-0x0000000001D10000-0x0000000001D18000-memory.dmp

    Filesize

    32KB

  • memory/2668-7-0x0000000002DE0000-0x0000000002E60000-memory.dmp

    Filesize

    512KB

  • memory/2668-8-0x000000001B830000-0x000000001BB12000-memory.dmp

    Filesize

    2.9MB

  • memory/2668-9-0x00000000027E0000-0x00000000027E8000-memory.dmp

    Filesize

    32KB