Analysis

  • max time kernel
    159s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-03-2024 18:49

General

  • Target

    585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe

  • Size

    419KB

  • MD5

    8a716466aa6f2d425ec09770626e8e54

  • SHA1

    62fb757ea5098651331f91c1664db9fe46b21879

  • SHA256

    585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815

  • SHA512

    54f11067e400347834689b4532ae53b00ec96a3ca90a2c21de27942f4ca30306fdda0522c1a3a4cde047ad650162e2d8313205220acaab4cc60e010965690940

  • SSDEEP

    6144:QTCsE3O4yuS5O0RBOInaCa6G6ypdf4Bf7e/DnjBeq04fVXOUvE0CGsSE9BLM:2E3O5uOO0mInnGZCTS84fZLtw

Malware Config

Extracted

Family

xworm

Version

5.0

C2

5.182.87.154:7000

Mutex

VMFidhoqn75fm5lJ

Attributes
  • Install_directory

    %Temp%

  • install_file

    mdnsresp.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe
    "C:\Users\Admin\AppData\Local\Temp\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1116
    • C:\Users\Admin\AppData\Local\Temp\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe
      C:\Users\Admin\AppData\Local\Temp\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:820
      • 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\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3880
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1312
      • 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\mdnsresp.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:316
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'mdnsresp.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1496
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3660 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\585d1fb4f288974b683c5abfb10c97d7d2ae3f59c2bcfd78ba272e3be2cd7815.exe.log

      Filesize

      1KB

      MD5

      8c2da65103d6b46d8cf610b118210cf0

      SHA1

      9db4638340bb74f2af3161cc2c9c0b8b32e6ab65

      SHA256

      0e48e2efd419951e0eb9a8d942493cfdf5540d1d19ff9dae6f145fb3ebcbeeac

      SHA512

      3cf5a125276e264cd8478f2b92d3848fb68b96d46eb4a39e650d09df02068c274881a1c314cdfbfdcb452672fb70dd8becf3ffe9562d39919d9c4d6b07fbb614

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

      Filesize

      53KB

      MD5

      124edf3ad57549a6e475f3bc4e6cfe51

      SHA1

      80f5187eeebb4a304e9caa0ce66fcd78c113d634

      SHA256

      638c51e173ca6b3469494a7e2e0b656021a761f77b4a83f3e430e82e7b9af675

      SHA512

      b6c1a9051feeffad54ba1092fd799d34a9578368d7e66b31780fe478c1def0eb4094dce2879003f7389f2f9d86b94a3ef3975e78092a604597841c9b8db120ee

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

      Filesize

      18KB

      MD5

      eb15a5a98c7fd7f25df79e37aeaa2a5b

      SHA1

      5dfda5669e505730ad2b17a951389bff0ba7fa61

      SHA256

      d136f8e1de0947f445c073d098f7a52de7a16293765e4395ddb0842e1aee5fbc

      SHA512

      6bfc674a8575ef39a7bc2da4bf8a583b95faa2676422dfb771444035441ff17ac3bd678a1e18c6c5224cbfcfe8c4b8f52a82b47f09b15145ee9f0dfb3a904c14

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

      Filesize

      15KB

      MD5

      287437cb4393a9926f2fd43befd20a33

      SHA1

      a6fdb6a46f5ed67c138c53f1ad39f22b74b75c24

      SHA256

      43ec606afdbf50dba71d95cc4dcb880800d75791fdd1f52c68774d2bcd9a4880

      SHA512

      ddddf93648e594fd95e826fa590c171a40739e9d5669c6926c3d1b231dff3d14280db3e9b80ecea880373531d49a14dff564e917040e3c2753881317b4b8b5ba

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

      Filesize

      15KB

      MD5

      25b173e1578c18d3c806efe76898895b

      SHA1

      0b14a8950c17b1c05516dd4d09acbaab9511c41e

      SHA256

      5f3b208f513de016de8938776b8980949bd090612c52ed6e92c5814add4652d7

      SHA512

      bbea8cbd6469562ae8f8a546160a7895a8586ebced19fec663d574e340433d83607e40fd93bd49a8c1afe00cc20c9a59d34ef32624525bc4e6790d6c09de5a90

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iqd24uls.qlv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/316-122-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/820-15-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/820-50-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/820-19-0x0000000004E70000-0x0000000004F0C000-memory.dmp

      Filesize

      624KB

    • memory/820-18-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1116-91-0x0000000007490000-0x0000000007498000-memory.dmp

      Filesize

      32KB

    • memory/1116-49-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

      Filesize

      64KB

    • memory/1116-14-0x0000000002940000-0x0000000002976000-memory.dmp

      Filesize

      216KB

    • memory/1116-12-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1116-57-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

      Filesize

      64KB

    • memory/1116-82-0x00000000078F0000-0x0000000007F6A000-memory.dmp

      Filesize

      6.5MB

    • memory/1116-55-0x0000000006030000-0x000000000607C000-memory.dmp

      Filesize

      304KB

    • memory/1116-84-0x00000000072F0000-0x00000000072FA000-memory.dmp

      Filesize

      40KB

    • memory/1116-21-0x0000000005220000-0x0000000005848000-memory.dmp

      Filesize

      6.2MB

    • memory/1116-86-0x00000000074F0000-0x0000000007501000-memory.dmp

      Filesize

      68KB

    • memory/1116-87-0x00000000065A0000-0x00000000065AE000-memory.dmp

      Filesize

      56KB

    • memory/1116-88-0x00000000065B0000-0x00000000065C4000-memory.dmp

      Filesize

      80KB

    • memory/1116-101-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1116-26-0x0000000005850000-0x00000000058B6000-memory.dmp

      Filesize

      408KB

    • memory/1116-13-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

      Filesize

      64KB

    • memory/1116-92-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

      Filesize

      64KB

    • memory/1116-38-0x00000000059A0000-0x0000000005CF4000-memory.dmp

      Filesize

      3.3MB

    • memory/1116-41-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1116-48-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

      Filesize

      64KB

    • memory/1116-60-0x0000000070E00000-0x0000000070E4C000-memory.dmp

      Filesize

      304KB

    • memory/1116-90-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/1312-103-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1312-104-0x0000000002480000-0x0000000002490000-memory.dmp

      Filesize

      64KB

    • memory/1312-105-0x0000000002480000-0x0000000002490000-memory.dmp

      Filesize

      64KB

    • memory/1312-111-0x00000000057A0000-0x0000000005AF4000-memory.dmp

      Filesize

      3.3MB

    • memory/1312-117-0x0000000006230000-0x000000000627C000-memory.dmp

      Filesize

      304KB

    • memory/1312-119-0x0000000002480000-0x0000000002490000-memory.dmp

      Filesize

      64KB

    • memory/1312-121-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3880-27-0x0000000006000000-0x0000000006066000-memory.dmp

      Filesize

      408KB

    • memory/3880-23-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-63-0x0000000070E00000-0x0000000070E4C000-memory.dmp

      Filesize

      304KB

    • memory/3880-59-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

      Filesize

      200KB

    • memory/3880-80-0x0000000006C80000-0x0000000006C9E000-memory.dmp

      Filesize

      120KB

    • memory/3880-81-0x0000000007920000-0x00000000079C3000-memory.dmp

      Filesize

      652KB

    • memory/3880-56-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-83-0x0000000007A50000-0x0000000007A6A000-memory.dmp

      Filesize

      104KB

    • memory/3880-54-0x00000000066B0000-0x00000000066CE000-memory.dmp

      Filesize

      120KB

    • memory/3880-85-0x0000000007D00000-0x0000000007D96000-memory.dmp

      Filesize

      600KB

    • memory/3880-53-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-52-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-51-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3880-89-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-22-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3880-58-0x000000007F990000-0x000000007F9A0000-memory.dmp

      Filesize

      64KB

    • memory/3880-24-0x00000000051D0000-0x00000000051E0000-memory.dmp

      Filesize

      64KB

    • memory/3880-25-0x0000000005E70000-0x0000000005E92000-memory.dmp

      Filesize

      136KB

    • memory/3880-100-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-4-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB

    • memory/4696-5-0x0000000005840000-0x000000000584A000-memory.dmp

      Filesize

      40KB

    • memory/4696-8-0x0000000005AE0000-0x0000000005B10000-memory.dmp

      Filesize

      192KB

    • memory/4696-0-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-7-0x0000000005A90000-0x0000000005AD8000-memory.dmp

      Filesize

      288KB

    • memory/4696-20-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-6-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4696-9-0x0000000005B10000-0x0000000005B40000-memory.dmp

      Filesize

      192KB

    • memory/4696-10-0x0000000005B70000-0x0000000005BBC000-memory.dmp

      Filesize

      304KB

    • memory/4696-11-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB

    • memory/4696-3-0x0000000005880000-0x0000000005912000-memory.dmp

      Filesize

      584KB

    • memory/4696-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4696-1-0x0000000000DE0000-0x0000000000E50000-memory.dmp

      Filesize

      448KB