Analysis

  • max time kernel
    98s
  • max time network
    139s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    06-11-2024 02:10

General

  • Target

    AWB #281024..scr

  • Size

    972KB

  • MD5

    dbea8d0867f7778d1a4ac7ee5c2ddcc9

  • SHA1

    ac3744a6d1ad36ef9d57fbb6a2f40f1a45f63637

  • SHA256

    88bb9bed8031190a16d24e5e26de559fb3ba8f7cda489b8f09cb40e2e1f2df9a

  • SHA512

    d01230eaf87229e58627d763352b56e5cca8bc4e55fe852ada3df1e16bd6b1285e110e3c7507e5a50c37c391541bf1bcad257f0eebfb55231162edc8ef15a666

  • SSDEEP

    12288:OAgyHUjQ+OXk4lpfL0ND1+EpT3T8DRngh7S54yTf+GYATqgm9MuJr6rq4YjyndWm:ZUj4uhIEpTQVMA2l9MucrZk6z

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • 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 3 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr
    "C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr" /S
    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:3088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zrjxKRHUf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1276
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zrjxKRHUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFA4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:856
    • C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr
      "C:\Users\Admin\AppData\Local\Temp\AWB #281024..scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cxzwchln.jj3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCFA4.tmp

    Filesize

    1KB

    MD5

    da65156b9bb01d72c2e305bf225da30d

    SHA1

    482559666fa0ae88b5e89e44766d09e6a3b0d606

    SHA256

    48b7c1f6dcbc8c89427d902b1bc65dda7d940a2bb48e7b51a8b7c53f5d1a84e7

    SHA512

    580bdde6db2cb9cb1b47d74469250fdf49c893993aa613bdcbff7e92e66a97579ad92a149875657241cd11ae4ffa0ca299e438c28d3beefe38dcbf682553cd14

  • memory/1276-49-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/1276-52-0x00000000076F0000-0x0000000007D6A000-memory.dmp

    Filesize

    6.5MB

  • memory/1276-61-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-22-0x0000000004FB0000-0x0000000005016000-memory.dmp

    Filesize

    408KB

  • memory/1276-58-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/1276-34-0x0000000005D40000-0x0000000005D5E000-memory.dmp

    Filesize

    120KB

  • memory/1276-57-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-33-0x00000000058F0000-0x0000000005C47000-memory.dmp

    Filesize

    3.3MB

  • memory/1276-56-0x0000000007320000-0x00000000073B6000-memory.dmp

    Filesize

    600KB

  • memory/1276-13-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-54-0x0000000007110000-0x000000000711A000-memory.dmp

    Filesize

    40KB

  • memory/1276-14-0x0000000002390000-0x00000000023C6000-memory.dmp

    Filesize

    216KB

  • memory/1276-53-0x00000000070B0000-0x00000000070CA000-memory.dmp

    Filesize

    104KB

  • memory/1276-16-0x00000000050B0000-0x000000000577A000-memory.dmp

    Filesize

    6.8MB

  • memory/1276-18-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/1276-51-0x0000000006FB0000-0x0000000007053000-memory.dmp

    Filesize

    652KB

  • memory/1276-47-0x000000007F4E0000-0x000000007F4F0000-memory.dmp

    Filesize

    64KB

  • memory/1276-21-0x0000000004F10000-0x0000000004F32000-memory.dmp

    Filesize

    136KB

  • memory/1276-36-0x0000000006F70000-0x0000000006FA2000-memory.dmp

    Filesize

    200KB

  • memory/1276-28-0x0000000005780000-0x00000000057E6000-memory.dmp

    Filesize

    408KB

  • memory/1276-48-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/1276-50-0x0000000006330000-0x000000000634E000-memory.dmp

    Filesize

    120KB

  • memory/1276-37-0x0000000070FD0000-0x000000007101C000-memory.dmp

    Filesize

    304KB

  • memory/1276-35-0x0000000005D80000-0x0000000005DCC000-memory.dmp

    Filesize

    304KB

  • memory/3088-9-0x0000000002690000-0x000000000271E000-memory.dmp

    Filesize

    568KB

  • memory/3088-0-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/3088-7-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/3088-1-0x00000000001A0000-0x000000000029A000-memory.dmp

    Filesize

    1000KB

  • memory/3088-5-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-20-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-3-0x0000000004C90000-0x0000000004D22000-memory.dmp

    Filesize

    584KB

  • memory/3088-4-0x0000000004C70000-0x0000000004C7A000-memory.dmp

    Filesize

    40KB

  • memory/3088-2-0x0000000005310000-0x00000000058B6000-memory.dmp

    Filesize

    5.6MB

  • memory/3088-6-0x0000000004E10000-0x0000000004E2E000-memory.dmp

    Filesize

    120KB

  • memory/3088-8-0x0000000074730000-0x0000000074EE1000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-10-0x000000000E5E0000-0x000000000E67C000-memory.dmp

    Filesize

    624KB

  • memory/4284-63-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/4284-15-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/4284-55-0x0000000001430000-0x000000000177C000-memory.dmp

    Filesize

    3.3MB

  • memory/4284-62-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/4284-19-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB